Search Results: "Physiology"

All Most Recent Most Viewed

11:21 Popular
Introduction to Anatomy&Physiology: Crash Course A&P #1

849 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
10:08 Popular
Metabolism & Nutrition, Part 2: Crash Course Anatomy & Physiology #37

1,601 views / 0 likes - added 8 years ago

If you're like us, you love the sound of a brunch buffet. But not everything you eat at that glorious buffet is going to be turned into energy. Your body has to work with different forms of food in different ways. In this episode of Crash Course Anatomy &
03:57
Do Fish Get Thirsty and Do They Need to Drink Water?

200 views / 0 likes - added 1 year ago

Whether fish get thirsty depends on the fish you look at. Fish that live in freshwater have different physiology to deal with their environment than fish in salty seawater. These physiological differences dictate whether fish need to drink water and feel
04:14
How Do Pain Relievers Work? - George Zaidan

631 views / 0 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/how-do-pain-relievers-work Some people take aspirin or ibuprofen to treat everyday aches and pains, but how exactly do the different classes of pain relievers work? Learn about the basic physiology of how humans
09:22 Popular
Respiratory System, Part 1: Crash Course A&P #31

1,241 views / 2 likes - added 8 years ago

So we all know that breathing is pretty important, right? Today we're going to talk about how it works, starting with the nameless evolutionary ancestor that we inherited this from, and continuing to the mechanics of both simple diffusion and bulk flow, a
09:44 Popular
Immune System, Part 2: Crash Course A&P #46

1,040 views / 0 likes - added 8 years ago

In the penultimate episode of Crash Course Anatomy & Physiology, Hank explains your adaptive immune system. The adaptive immune system's humoral response guards extracellular terrain against pathogens. Hank also explains B cells, antibodies, and how vacci
09:37 Popular
Immune System, Part 3: Crash Course A&P #47

859 views / 0 likes - added 8 years ago

THE FINAL SHOWDOWN! This is the last episode on the immune system and also the very last episode of Crash Course Anatomy & Physiology. In it, Hank explains how the cellular immune response uses helper, cytotoxic, and regulatory T cells to attack body cell
14:10
The evolution of the eye

689 views / 0 likes - added 8 years ago

Creationists and supporters of Intelligent Design like to point to what they call the "irreducible complexity" of the eye as proof of the existence of a designer/creator. In other words, they like to say that complex components of our physiology like the
Featured
02:31
How Many Reps Should You Do To Build Muscle?

621 views / 0 likes - added 8 years ago

Solve your rep range conundrum! Find out which rep range is best for you! Sources: http://www.lookgreatnaked.com/articles/mechanisms_of_muscle_hypertrophy.pdf http://www.weightrainer.net/physiology/Moore_Sarcoplasmic.html http://www.strengtheory.com/the-n
02:14
It May Be Physically Impossible To Visit Another Universe, According To A Physicist

428 views / 0 likes - added 5 years ago

There are many different ways a multiverse might exist. But can you travel to these different universes? Columbia University physicist Brian Greene explains if it would even be possible. Science Insider tells you all you need to know about science: space,
01:39
What Are Ingrown Hairs — And How To Treat Them

308 views / 0 likes - added 5 years ago

While the average pimple should be left alone, ingrown hairs require immediate attention. If they go untreated, the irritating bumps can become painful and even dangerous. Science Insider tells you all you need to know about science: space, medicine, biot
09:13 Popular
Immune System, Part 1: Crash Course A&P #45

1,244 views / 2 likes - added 8 years ago

Our final episodes of Anatomy & Physiology explore the way your body keeps all that complex, intricate stuff alive and healthy -- your immune system. The immune system’s responses begin with physical barriers like skin and mucous membranes, and when they’
02:07 Popular
Why You Shouldn't Pee On A Jellyfish Sting

760 views / 1 likes - added 5 years ago

Most of the information on how to treat jellyfish stings, including some urban myths, might actually cause you more pain than relief. Rather than peeing on the wound, try pouring vinegar over it instead. Science Insider tells you all you need to know abou
01:54
The Difference Between Advil, Tylenol, Aleve, and Aspirin

503 views / 0 likes - added 5 years ago

We use over-the-counter drugs daily to easy bodily pain. These medications include Advil, Tylenol, Aleve, and Aspirin. But are we actually using the right medication for our discomforts? Science Insider tells you all you need to know about science: space,
10:55 Popular
Digestive System, Part 2: Crash Course A&P #34

1,636 views / 1 likes - added 8 years ago

Nearly 200 years ago, Alexis St. Martin was shot in the stomach. He was saved by local army doctor William Beaumont, but had to live out his remaining years with a gaping hole in the stomach -- allowing Beaumont to learn a lot about how human digestion wo
09:51 Popular
Urinary System, Part 2: Crash Course A&P #39

1,623 views / 2 likes - added 8 years ago

As we promised last week, we're not quite done talking about your pee yet. Today Hank explains how the urinary system regulates the production of urine, by maintaining a study glomerular flow rate. He'll also cover the anatomy of storing and excreting uri
03:18 Popular
Foods That Get Healthier When You Eat Them Together

775 views / 0 likes - added 5 years ago

Many greens and vegetables are packed with nutrition, but you might not be getting as many benefits out of them as you'd like. Want a nutrient boost? By combining different foods, certain vitamins work together to bring out the most nutrition in your meal
02:18
What Happens To Your Body After You Die

427 views / 0 likes - added 5 years ago

Just minutes after you die, enzymes in your body that helped to keep you alive switch gears and start the decomposition process. The hotter it is, the faster your enzymes can digest you from the inside out. Science Insider tells you all you need to know a
01:58
Why Time Moves Forward — And What It Means

416 views / 0 likes - added 5 years ago

A lot of people wonder why time moves towards the future rather than towards the past. It's because we live in the aftermath of a very influential event—the Big Bang—and that expanding process is nowhere near complete. Science Insider tells you all you ne
01:47
There's A Dangerous Place In Space Where NASA Shuts Down Its Satellites

419 views / 0 likes - added 5 years ago

A radiation belt called the South Atlantic Anomaly sits above South America. It's full of harmful, high-energy particles that have actually destroyed satellites. Science Insider tells you all you need to know about science: space, medicine, biotech, physi
05:03 Popular
Pandas — The Complicated Truth Behind These Cute Animals

902 views / 0 likes - added 5 years ago

Pandas are very cute, but they don't do much for their ecosystem—and they take away a lot of resources from other endangered plants and animals that support multitudes. Here's why these adorable creatures are possibly the most overrated animals in the wor
01:40
What Would Happen If You Could Fall Through Earth

551 views / 0 likes - added 5 years ago

If you wanted to fall through Earth, you would need to build an airless vacuum straight through the core. Gravity would take you from one side of the planet to the next within forty minutes. Just be sure to wear a space suit so the intense heat doesn't bu
01:40
How Animals Can Change Colors

680 views / 1 likes - added 5 years ago

Iridescence is a natural phenomenon that changes the color of objects based on the angle we view them. Many animals including peacocks, butterflies, and snakes, have special structures that cast this shiny glow. It happens when color wavelengths interfere
01:19
Health Benefits Of Eating Banana Peels

500 views / 0 likes - added 5 years ago

Most banana peels end up in the trash, but nutrients found in the skin can help your stomach. Particularly when they're cooked, the peels can aid in digestion and immune system function. Fry, bake, or boil the peel for a nutritious, yummy treat. Science I
01:05
Cheeses You Can Still Eat If You’re Lactose Intolerant

434 views / 0 likes - added 5 years ago

Even if you are lactose intolerant, certain types of cheese are safe to eat. This mostly includes aged cheese like Swiss, blue, and cheddar. We spoke with Michael Tunick, author of "The Science of Cheese," to learn about how you can find your best options
02:24
Where Did T Rex's Tiny Arms Come From?

655 views / 0 likes - added 5 years ago

For years, scientists have wondered why the Tyrannosaurus Rex had tiny, three-foot arms. Recent discoveries suggest that they evolved to counterbalance their giant heads. If humans had those proportions, our arms would only be half a foot long! Science In
01:39
Easiest Way To Get Rid Of Bad Breath, According To A Dentist

559 views / 0 likes - added 5 years ago

The easiest way to get rid of bad breath is to brush your teeth at night and to drink lots of water, according to an American Dentist Association spokesperson. When your mouth is dry, food and bacteria tend to sit in your mouth for a much longer time. Thi
04:27 Popular
What Humans Living On Mars Will Look Like In 1,000 Years

710 views / 0 likes - added 5 years ago

Colonizing Mars might be the best chance to ensure the human species survival in the future. In order to adapt to Mar’s hostile living conditions, our bodies will evolve in ways that might end up with a completely new species of human. Science Insider tel
01:53
Here's What Will Happen When The Sun Dies

556 views / 1 likes - added 5 years ago

The Sun is currently in the middle of the stable section of its life cycle, and will stay there for the next 4.5 to 5.5 billion years. As it gets closer to depleting its hydrogen supply, there will be severe consequences for life on Earth. Science Insider
02:07
What's Actually Inside A Whale's Blowhole?

516 views / 1 likes - added 5 years ago

If you ever watch a whale breathe, you'll see plumes of mist shoot out of a hole in its head. Contrary to popular belief, that's not seawater. It's actually a mix of hot air and bacteria. Science Insider tells you all you need to know about science: space
01:31 Popular
You Can Eat Too Much Protein — Here's What Happens When You Do

920 views / 0 likes - added 5 years ago

Eating too much protein can have detrimental effects on your health. It can lead to dehydration and weight gain. To find out how many grams of protein you should be eating, calculate your weight in kilograms and multiply by 0.8. Science Insider tells you
03:22
Why The Octopus Is The Weirdest Animal On Earth

451 views / 0 likes - added 5 years ago

Octopuses are unlike any other organism on Earth. They can regrow limbs, change colors whenever they want, and use tools to their advantage. But perhaps the most unique thing an octopus can do is edit its RNA. By editing their RNA, octopuses make temporar
01:36
What's The Liquid On Top Of Your Yogurt — And Should You Eat It?

431 views / 0 likes - added 5 years ago

The pool of liquid on the top of your newly opened yogurt is a phenomenon called "whey separation defect." Whey is one of the two main proteins in milk, and it's completely safe. Simply stir it back into the yogurt for added nutrition. Science Insider tel
01:23
Yogurt Is More Unhealthy Than You Think

393 views / 0 likes - added 5 years ago

Yogurt is a popular type of food due to its supposed health benefits. However, it might not be as healthy as it is advertised. An award-winning science journalist and the author of "I Contain Multitudes", Ed Yong, explains the myth around the benefits of
05:14
Here's Why Pneumonia Is Still So Deadly

689 views / 0 likes - added 4 years ago

The immune system has a whole arsenal of ways to fight off an infection. But with pneumonia, the immune systems response can be lethal. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more SICK | http://bit.ly/SeekerSICKplaylistWhen it comes to s
01:49 Popular
What Was Albert Einstein’s Happiest Thought?

1,030 views / 3 likes - added 5 years ago

The image of a man falling to his death helped Einstein uncover some of the biggest scientific breakthroughs in physics. Columbia University's theoretical physicist, Brian Greene, explains how this morbid concept became what Albert Einstein called the hap
01:42
How Long It Takes To Burn Off Calories You Eat

624 views / 1 likes - added 5 years ago

Calories add up real fast, and burning them off takes a lot longer than eating them. For example, it would take 13 minutes of running to burn off a 12 oz soda or an hour of walking to burn off a cinnamon roll. Science Insider tells you all you need to kno
02:08 Popular
Why Do Athletes Wear Black Marks Under Their Eyes?

807 views / 0 likes - added 5 years ago

Why do football players wear black stripes under their eyes? It's a phenomenon called "eye black" that's supposed to prevent the sun's glare from impairing an athlete's vision. But does it actually work? Science Insider tells you all you need to know abou
Featured
01:38
How Domestic Cats Spread Around The World

626 views / 1 likes - added 5 years ago

You can find house cats on every continent except Antarctica. In the US alone, there are about 93.5 million house cats. But that wasn't always the case. Cats originated in Turkey around 10,000 years ago and gradually spread across the world as agriculture
01:39
What Happens When You Leave In A Splinter For Too Long?

553 views / 0 likes - added 5 years ago

If you leave a splinter in for too long, you risk a dangerous infection. Splinters are made of natural materials so there's a greater chance that they'll carry bacteria or fungi. Remove the splinter as soon as possible and then disinfect the wound to prev
02:18
What The Olympics Would Be Like On The Moon

615 views / 0 likes - added 5 years ago

Because gravity on the moon is one sixth that of Earth's, a sporting event held there would allow athletes to jump farther and lift more. A weightlifter would be able to lift objects six times as heavy and a discus could be thrown the height of the Empire
01:48
Why You May Have More Acne Than Other People

394 views / 0 likes - added 5 years ago

Ever wonder why some people have never had any trouble with acne, while others have been plagued with it? It's because of the bacteria that resides within our skin. Some people have bacteria strains that protect against acne while others have strains that
01:21
What's Really Inside Fake Crab Meat

619 views / 0 likes - added 5 years ago

From California rolls to crab cakes, imitation crab meat pops up everywhere. But what is imitation crab meat made of? It contains no actual crab but a fish paste called "surimi." Science Insider tells you all you need to know about science: space, medicin
01:55
Jupiter's Invisible Planetary Rings, Explained

633 views / 0 likes - added 5 years ago

Did you know Jupiter has planetary rings? Unlike Saturn's rings which reflect sunlight, Jupiter's rings are made of moon dust. They're practically invisible. They were first discovered in 1979 by the Voyager 2 and can only be seen from the strongest of te
01:48
Difference Between Artificial Sweeteners And Real Sugar

440 views / 0 likes - added 5 years ago

Do you ever wonder if there's a difference between sugar and all those artificial sweeteners you put in your coffee? The main difference is sweetness. Artificial sweeteners like Splenda and Sweet'N Low are actually hundreds of times sweeter than sugar. Sc
01:23
What Would Happen If You Died In Space?

423 views / 0 likes - added 5 years ago

As humanity travels further into space, the question of how to deal with a dead body needs to be explored. NASA designed the "Body Back" method for this very reason. It involves freezing the body and turning it into a fine powder, that is then attached to
00:57
Wasabi At Restaurants Isn't What You Think — Here's What's Really Inside

396 views / 0 likes - added 5 years ago

The wasabi served alongside your sushi is most likely horseradish and mustard. Real wasabi is hard to come by because the plant is hard to cultivate. You can tell the difference between the two by looking at the texture. Real wasabi looks like a freshly g
01:46 Popular
Why Your Clothes Shrink When You Wash Or Dry Them

758 views / 0 likes - added 5 years ago

If you have ever done laundry in your lifetime, you may have noticed that your clothes sometimes shrunk after washing and/or drying, but you might not know why this happens. Check out the factors that cause clothes shrinkage, whether it be fabric type or
01:41 Popular
What We Know About The Legendary Tasmanian Tiger

807 views / 0 likes - added 5 years ago

The Thylacine, aka Tasmanian tiger, was thought to go extinct in 1936. However, a research team at Australia's James Cook University hopes this is not the case. They are installing cameras across areas where supposed sightings have occurred. If captured,
01:18
Why The Big Bang Isn't The Beginning Of The Universe — It's The End Of Something Else

514 views / 1 likes - added 5 years ago

The Big Bang is not the beginning of the universe, it is the end of our theoretical understanding of space and time. Prior to the Big Bang, we just don't know what existed. It's possible that our universe came from another universe entirely. Science Insid
03:14
The Secrets of Extreme Breath Holding

451 views / 0 likes - added 4 years ago

Try Dashlane Premium free for 30 days here: https://www.dashlane.com/MinuteEarth. And use the coupon code MinuteEarth to get 10% off a yearly membership.Humans can hold our breath longer than we think by taking advantage of our bodys innate survival insti
02:30
Every Map Of Louisiana Is A Lie

585 views / 0 likes - added 5 years ago

Louisiana's coastline is sinking faster than all the other contiguous 47 states, combined. This means that Louisiana's shape does not look like the boot you might see on your grade school map. As the coastline continues to sink, it threaten's the entire n
01:17
Why You Shouldn't Eat Before Surgery, According To An Anesthesiologist

525 views / 0 likes - added 5 years ago

Doctors tell you to not eat before surgery because it reduces the risk of aspiration during and after the procedure. If a patient with a full stomach vomits after a surgery, food particles from the stomach are likely to make their way into the patient's l
01:39
5 Uses For Baking Soda Besides Cooking

683 views / 0 likes - added 5 years ago

Baking soda can be so much more than an ingredient for cooking or baking. You can use it as a deodorant, cleaning paste for rusty metal, heartburn relief, and more. ------------------------------------------------------ #BakingSoda #Cooking #ScienceInside
01:34
A Trip To Mars Is Deadlier Than We Thought

438 views / 0 likes - added 5 years ago

Going to Mars may be more dangerous than we thought. High-energy space radiation exists on the planet that can cause damage to DNA. This means the risk of cancer on Mars is twice as high as previously thought. So before we send crewed missions to the plan
02:05 Popular
Why The Sun Isn't Actually Yellow

1,004 views / 0 likes - added 5 years ago

On Earth, the sun appears to be yellow. But sunlight isn't actually made of just one color. It contains a multitude of colors that can be found on the color spectrum. Due to Earth's atmosphere, we only see some color photons. It's the same reason why the
02:01
What Different Dog Barks Mean

398 views / 1 likes - added 5 years ago

Dogs are always barking, which means dogs are always taking, but did you know different kinds of barks mean different things? Here's how to tell if there's a burglar outside, if it's bathroom time, or if these pups are just feeling extra playful. --------
01:39
Why American Honeybees Are Turning Into Zombies

627 views / 0 likes - added 5 years ago

Scientists have discovered why American honeybees are turning into zombies. These bees are being infected by the phorid fly with some dangerous consequences. ----------------------------------------------------- #Honeybees #ZombieFly #ScienceInsider Scien
01:25
A 'Dog Year' Is Not Equal To 7 Human Years — It's Much More

464 views / 0 likes - added 5 years ago

Dogs age faster in their first year of life than humans do. By one year, most dogs are able to procreate. But that's obviously not the case with humans; they are certainly not able to give birth by 7 years old. Priceonomics gathered data to help us unders
02:18
Why These Parasites Eat Their Hosts To Survive

700 views / 0 likes - added 5 years ago

Parasitoids are a type of parasite that kill their host animals to survive. While it seems gruesome, this type of behavior is important for keeping our ecosystem balanced. If parasitoids didn't destroy their hosts, the population of invasive species like
01:53
How Much Exercise It Takes To Slow The Effects Of Aging

480 views / 0 likes - added 5 years ago

If you want your body to stay young, you might want to exercise more. Scientists recently found that only people who exercise the most actually benefit at a cellular level and actually slow down the aging process. -----------------------------------------
01:46 Popular
What Would Happen If Earth Warmed By Just 2 Degrees?

804 views / 0 likes - added 5 years ago

What would happen if Earth became 2ºC (4.6ºF) warmer? Sea levels will likely rise by 1.6 feet and cause coastlines to flood worldwide. Heat waves would intensify and damage crop growth. And coral reefs would die off. There's a 95% chance this will happen
07:03 Popular
Human Vs. Horse Marathon

1,054 views / 1 likes - added 7 years ago

Every year a long-distance race in Wales pits humans against horses. In this episode of Field Trip, follow that contest and explore the physiology and evolution behind humanity's often-overlooked skill: endurance running. Featuring Fireworks by Yoya: http
01:48 Popular
Mystery Of A Giant Planet That Went Missing In Our Solar System

730 views / 0 likes - added 5 years ago

Four billion years ago, Jupiter, Saturn, Uranus, and Neptune battled for positions within our solar system. But some scientists suspect that there was a fifth planet, similar in size to Neptune, that was also part of the battle. Scientists think that a my
01:43
Frogs Have A Secret Weapon To Catch Their Prey

689 views / 1 likes - added 5 years ago

Frogs are lightning fast at catching their prey, and it's all thanks to their secret weapon: spit. Normally a frog's spit is thick like honey, but as the frog attacks, the spit liquefies. That liquid substance wraps around the prey then solidifies again,
01:37
Science Of Why Golf Balls Have Dimples

583 views / 0 likes - added 5 years ago

Prior to the mid-1800s, golf balls were smooth and didn't travel very far in the air. The current design of a dimple-shaped ball reduces the air flow around the ball. Typically, golf balls have between 300 to 500 dimples. This helps them to fly twice as f
01:33
What You Should Know About the 'Danger Triangle' On Your Face

478 views / 0 likes - added 5 years ago

Those nose hairs that people like to pluck and trim are actually helping to filter the air particles that we breathe in. When you damage those nose hairs, there's a chance of causing an extremely dangerous or even lethal infection. See more from Dr. Erich
03:03 Popular
5 Facts About Dinosaurs 'Jurassic World: Fallen Kingdom' Ignored

1,323 views / 3 likes - added 5 years ago

Did you know that dinosaurs didn't roar? Because dinosaurs are related to birds, it's far more likely their voice boxes made a chirping noise rather than a deep sound like a lion. Here are five facts "Jurassic World: Fallen Kingdom" got wrong about dinosa
01:50 Popular
What Does Gaining Weight Do To Your Body?

1,420 views / 0 likes - added 5 years ago

Maintaining a healthy weight can seem difficult at times, but it's worth the effort. When your body weight increases past a healthy amount, your body is damaged in various ways. The weight puts extra pressure on your joints and slows your metabolism. It a
01:51
How Captain America's Shield Follows Basic Physics

556 views / 0 likes - added 5 years ago

Captain America's shield follows the law of elastic collisions. This means that whenever the shield hits an object, its speed does not change. It would be impossible for the average human to control a shield like this, but because Captain America is a sup
01:59
What Your Horoscope Sign Really Means

477 views / 1 likes - added 5 years ago

Over the course of one year, the sun moves between Earth and different 13 constellations. The Babylonians determined that only 12 constellations could find in a calendar year, so they left off the thirteenth sign, Ophiuchus. Recently NASA re-acknowledged
03:30
What Would Happen If Earth Had Two Moons

615 views / 0 likes - added 5 years ago

If Earth had two moons, it would be a catastrophe. An extra moon would add an extra gravitational pull, leading to larger tides and wiping out major cities like New York and Singapore. And millions of years later, the moons would collide, sending chunks c
03:01
How do trap-jaw ants perfectly time their snaps?

318 views / 0 likes - added 3 years ago

When trap-jaw ants are dropped, before they hit the ground they snap their jaws and fling themselves back up into the air! How do they manage to perfectly time their snaps to do that? Why do they do it? It's all thanks to 4 little hairs that stick out of
02:13
Where Is The Coldest Place In The Universe?

636 views / 0 likes - added 5 years ago

The Boomerang Nebula is the coldest place in the universe, colder even than deep space at -459°F. But why this regions of space is colder than space itself has remained a mystery to astronomers until very recently. ----------------------------------------
02:07
How Much Taller Humans Have Grown Over 100 Years

604 views / 0 likes - added 5 years ago

Humans have grown dramatically taller over recent years as a result of genetics, nutritional improvements, better sanitation, and more. Check out the countries where people have grown the most in the past 100 years. ---------------------------------------
18:39
Extreme Breath-Holding

93 views / 0 likes - added 6 months ago

This is how people can hold their breath for tens of minutes. Check out our sponsor: https://betterhelp.com/veritasium to get matched with a professional therapist who will listen and help.A huge thanks to Brandon Birchak for all his help with this video:
05:48 Popular
The Wisdom of Teeth

883 views / 0 likes - added 6 years ago

Ancient human teeth can tell us a lot. Hidden inside each set are clues about their owner's behavior and ancestry plus hints about what really made up the paleo diet. Shara Bailey, associate professor of anthropology at New York University, reads the topo
01:37
How Much Sugar Is Really In A Can Of Soda

565 views / 0 likes - added 5 years ago

Ever wondered how much sugar is in a can of soda? We boiled three types of soda—Ginger Ale, Coca Cola, and Diet Coke—to see how much sugar there actually was. The sugar caramelized into black gooey clumps for both the ginger ale and coca cola, while the d
02:39
Why The Heimlich Is Not The Best Way To Save A Choking Victim

491 views / 0 likes - added 5 years ago

Many people believe the "Heimlich maneuver" is the only viable option to help save a choking victim. Turns out, that's not really the case. Here's what you should actually do if someone starts choking. -----------------------------------------------------
01:37 Popular
How To Survive A Shark Attack, According To A Shark Researcher

1,580 views / 5 likes - added 5 years ago

The best way to defend yourself against a shark is to punch its nose. To improve your chances of surviving a shark attack, we spoke with George Burgess, director of the Florida Program for Shark Research and manager of the International Shark Attack File.
01:06
Why Are Taxicabs Yellow?

568 views / 0 likes - added 5 years ago

Taxicabs are yellow because the bright color allows for greater visibility. Singapore compared accident rates between their blue taxi cabs and yellow taxicabs. Yellow cabs were 5% less likely to get rear-ended during the daytime, and 19% less likely to be
01:48
Are Smoothies Really Healthy? According To A Sugar Expert

576 views / 0 likes - added 5 years ago

Robert Lustig, a sugar expert and professor of both pediatrics and endocrinology, explains the problem with fruit smoothies. Fruits are composed of two types of fibers" soluble and insoluble. Both are beneficial to your health, particularly the health of
01:02
What White Giraffes Look Like

691 views / 0 likes - added 5 years ago

A pair of rare white giraffes were been spotted in Kenya. The rare animals — a mother and baby — were discovered by villagers near the Ishaqbini conservancy in Garissa, eastern Kenya. The giraffes are this colorr because of a condition called leucism. It'
02:39 Popular
Why Don't Sled Dogs Ever Get Tired?

1,029 views / 2 likes - added 6 years ago

Thanks to Squarespace for sponsoring this video! https://squarespace.com/minuteearth Sled dogs are the best endurance athletes in the world thanks to a weird quirk in their metabolism. Thanks also to our supporters on https://www.patreon.com/MinuteEarth _
Featured
09:40 Popular
The Integumentary System, Part 1 - Skin Deep: Crash Course A&P #6

858 views / 0 likes - added 9 years ago

•••SUBBABLE MESSAGE••• TO: Ciaran FROM: your sister Jillian Happy birthday! Hope you enjoy being immortalized via doobly-doo! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with ev
01:31
What Happens When You Eat Too Much Sugar? According To A Sugar Expert

554 views / 0 likes - added 5 years ago

What happens when you eat too much sugar? According to Robert Lustig, the author of "The Hacking Of The American Mind," the liver is the only organ that can metabolize sugar. Consuming too much of the sweet substance can cause your liver to build a resist
02:18 Popular
Mount Everest Isn't The World's Tallest Mountain

1,323 views / 2 likes - added 5 years ago

If you measure from base to summit, Mount Everest is actually the world's second tallest mountain. The first is Mauna Kea—a one million-year-old dormant volcano in Hawaii. The peak of Mauna Kea is only 13,802 feet above sea level, but its base spreads dee
Featured
06:13
An Expert Explains How To Control Wildfires In California

555 views / 1 likes - added 4 years ago

California wildfires are getting worse. In fact, six of the states most destructive wildfires occurred in the last four years. To lower the risk of igniting more fires, the electric company PG&E cut off power for thousands of people in Northern California
08:19
This Is How Your Body Makes New Blood

467 views / 0 likes - added 4 years ago

Forget about young blood! Your body is constantly making new blood every second of your life and this process is unlike anything else around. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Human! http://bit.ly/HUMANplaylist Visit our shop a
08:20 Popular
2015 Nobel Prize In Medicine - Periodic Table Of Videos

728 views / 0 likes - added 8 years ago

The Nobel Prize in Physiology or Medicine 2015 goes to William Campbell & Satoshi Ōmura "for their discoveries concerning a novel therapy against infections caused by roundworm parasites" and Youyou Tu "for her discoveries concerning a novel therapy again
03:08
Why Utah Drops Fish Out Of Airplanes Into Their Mountain Lakes

681 views / 2 likes - added 5 years ago

Utah Division of Wildlife Resources drops hundreds of thousands of fish out of airplanes into their mountain lakes every summer to restock them for fishing and hiking season. Without these aerial fish dumps, the state's high-altitude southern and central
05:31
Why Bees Going Extinct Could Mean No More Ice Cream Or Avocados

580 views / 1 likes - added 4 years ago

Bees pollinate more than a third of the worlds crops. So what would happen if they went extinct? For one, it would likely halve the number of fruits and vegetables on supermarket shelves. Plus, it could drastically alter the food chain, starting with inse
03:01
What People Get Wrong About Superfoods

470 views / 0 likes - added 5 years ago

There's a lot of buzz around superfoods but are they really all that super? Dr. Nina Shapiro, author of "Hype: A Doctor's Guide to Medical Myths, Exaggerated Claims, and Bad Advice" weighs in on the superfoods debate. Shapiro reveals the superfoods of yea
04:54
How Your Digestive System Fights Pathogens

547 views / 0 likes - added 3 years ago

Our digestive system does a lot more than just break down food for us. It actually has a role in our immunity. In this episode, Patrick explores how immune system checkpoints within the digestive tract protect us from pathogens. Subscribe to Seeker! http:
04:14 Popular
What If The Earth Stopped Orbiting The Sun

738 views / 1 likes - added 4 years ago

Each year, Earth makes a pass around the sun. But what if, one day, it just stopped orbiting the sun altogether? Turns out, youd only have about one month to live.MORE WHAT IF:What If All The World's Supervolcanoes Erupted At Oncehttps://www.youtube.com/w
03:53
What If We Nuked A Hurricane?

577 views / 2 likes - added 4 years ago

Dropping a nuclear bomb into a hurricane is a decades-old idea for how to stop a hurricane in its path. Here's what would really happen.MORE HURRICANE CONTENT:Why Hurricanes Get 'Stuck'https://www.youtube.com/watch?v=Hq2kS95J7XwWhat Happens To Fish During
10:43 Popular
Tissues, Part 1: Crash Course A&P #2

888 views / 0 likes - added 9 years ago

•••SUBBABLE MESSAGE••• TO: Jordan Schoonover FROM: Mom, Dad&Madison Happy Birthday Jordan! We love you sweetheart!! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything w
09:13 Popular
This Is How Your DNA Made You

1,078 views / 0 likes - added 3 years ago

DNA is the genetic instructions that tell your body where to put each finger and how to orient the heart, but how does this process work on a cellular level? In this episode, Patrick breaks down each step of the process and explains how you end up as you
05:44
Why Mold Is So Hard To Kill

366 views / 0 likes - added 4 years ago

A single mold can make tens of thousands of seed-like spores, which you can't see. But that's just one reason why mold is so difficult to control.Special thanks to Temponaut Timelapse for sharing footage: https://www.youtube.com/channel/UCxFQofXJq9WxWWqls
10:54 Popular
Animal Behavior - CrashCourse Biology #25

1,137 views / 0 likes - added 9 years ago

Hank and his cat Cameo help teach us about animal behavior and how we can discover why animals do the things they do. Crash Course Biology is now available on DVD! http://dft.ba/-8css Like Crash Course on Facebook: http://www.facebook.com/youtubecrashcour
04:59
What If You Never Got Out Of Bed

420 views / 0 likes - added 4 years ago

Although laying in bed for the rest of your life might sound relaxing, it can lead to serious health issues. For one thing, most of your muscles would waste away in six months to a year. You could also develop nasty ulcers called bedsores, which can tear
04:16
The Creepy Creatures That Feast On Dead Whales

594 views / 3 likes - added 4 years ago

When whales die and fall to the ocean floor, they attract all kinds of unusual creatures, from deep-sea octopuses to bone-eating worms.Learn more: https://www.businessinsider.com/video-whale-carcass-devoured-by-octopuses-monterey-bay-2019-10MORE OCEAN CON
03:24 Popular
The Fantastic Fur of Sea Otters | Deep Look

1,457 views / 8 likes - added 7 years ago

Happy #WorldOtterDay ! Sea otters aren't just cute -- they're a vivid example of life on the edge. Unlike whales and other ocean mammals, sea otters have no blubber. Yet they're still able to keep warm in the frigid Pacific waters. The secret to their sur
04:31
What's Inside A Clam?

327 views / 0 likes - added 4 years ago

What's inside a clam? A retractable foot, a siphon for sucking up water, powerful muscles, and sometimes a pearl. And you thought oysters were fancy.MORE WHAT'S INSIDE:Whats Inside A Puffer Fish?https://www.youtube.com/watch?v=XhgvWTP3zuUWhat's Inside A R
04:15 Popular
What's Inside A Human Ear?

1,090 views / 0 likes - added 4 years ago

The ears are arguably one of the most important features of the human body, they allow us to hear the word around us every day but thats not all... Inside our ears is a complex structure that helps us balance, can help control facial features, and they ev
05:09
How Ingenious Animals Have Engineered Air Conditioning

581 views / 0 likes - added 6 years ago

Thanks to non-profit edX.org for sponsoring this video. Go to http://bit.ly/edXSmart to learn more about Harvard’s Architectural Imagination course or other classes from some of the top universities in the world. ↓↓↓More info and sources below ↓↓↓ Here’s
Featured
05:46
What If All The World's Supervolcanoes Erupted At Once

304 views / 0 likes - added 4 years ago

If all 12 or so supervolcanoes on Earth erupted at once, civilization would likely collapse. The volcanoes would spew thousands of tons of ash and toxic gas into the atmosphere, which would linger for months and block out sunlight. This could set off a vo
03:46
What If All Insects Disappeared?

319 views / 0 likes - added 4 years ago

Although its impossible to say exactly what would happen if all insects on Earth suddenly vanished, its likely that civilization if not most ecosystems throughout the planet would be in serious trouble. Without dung beetles and other poop-eaters, nitrogen
03:30
Whats Inside A Caterpillar 'Cocoon'

499 views / 0 likes - added 4 years ago

Contrary to popular belief, a chrysalis is not a pouch or a sac Its actually the caterpillars own body! During metamorphosis, the former caterpillar releases digestive juices that dissolve cells in its muscles, gut, and other organs. Then, special groups
10:29 Popular
Tissues, Part 3 - Connective Tissues: Crash Course A&P #4

1,136 views / 0 likes - added 9 years ago

•••SUBBABLE MESSAGE••• TO: Ashley FROM: Fee Happy birthday nerd also I love you lots and lots *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if y
03:19
The Bugs That Lay Eggs All Over Your Body

534 views / 0 likes - added 4 years ago

For some bug babies, your body is home sweet home. Human botfly larvae, for example, burrow under your skin, forming a pus-filled pimple. Meanwhile, thousands of young loa loa worms can travel throughout your body even across your eyeball! Lets explore al
04:26
How Do We Sing?

566 views / 0 likes - added 5 years ago

Sam the Bat is visiting today, and Jessi wants to use a cool trick to show him how we use a special part of our body to sing ---------- Love SciShow Kids and want to help support it? Become a patron on Patreon: https://www.patreon.com/scishowkids --------
04:19
What's Inside A Lava Lamp?

400 views / 0 likes - added 4 years ago

What's inside a lava lamp? They're not meant to be opened, but if you do pop off the cap, youll find paraffin wax, water, and some mystery chemicals that are essential for making the wax or lava rise and fall.MORE WHAT'S INSIDE CONTENT:What's Inside A Cam
10:16 Popular
Tissues, Part 2 - Epithelial Tissue: Crash Course A&P #3

1,541 views / 0 likes - added 9 years ago

•••SUBBABLE MESSAGE••• TO : Phoebe and James McMullan FROM : Dad Continue being awesome Phoebe&James from John&Hank! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything
03:15
What's Inside An Anthill?

324 views / 0 likes - added 4 years ago

When you look at a fire ant hill or mound as its properly called youre actually seeing just the top of an enormous underground structure: the ants nest. Inside, a vast network of tunnels and chambers plunge up to 2 meters into the soil. Ants ferry their y
33:48
What If Earth Stopped Orbiting The Sun, Spun Sideways, & More Extreme Scenarios

286 views / 0 likes - added 4 years ago

A perfect balance of events occurred for this planet to support life. That delicate state continues to this day where small changes can have huge impacts on the world. So what would it look like if things drastically changed? What if the Earth spun sidewa
06:59 Popular
How To Throw The Perfect Football Spiral

847 views / 5 likes - added 4 years ago

NFL quarterbacks like Tom Brady, Aaron Rodgers, and Drew Brees make throwing a perfect spiral look easy, but it's far more complicated than it seems. To take a closer look, we spoke to NCAA football coach Ryan Larsen, who breaks down the steps that go int
03:03
What's Inside A Rattlesnake's Tail?

536 views / 0 likes - added 4 years ago

If you look inside a rattlesnake rattle, youll find its actually hollow. Instead of shaking loose bits like a maraca to make that famous sound, rattlesnakes clack together segments of keratin the same material found in your fingernails. They use three sha
00:59
Why Some Popcorn Kernels Never Pop In The Microwave

558 views / 0 likes - added 5 years ago

No matter if it's popcorn you've ordered at the theaters or that you've cooked in the microwave, there always seems to be leftover kernels that didn't pop. Physicist and author of "Storm in a Teacup: The physics of everyday life," Helen Czerski, explains
03:57
What's Inside A Venus Flytrap?

552 views / 1 likes - added 4 years ago

Venus flytraps rarely catch flies, despite their name instead, spiders and ants make up most of their diet. When a victim walk by and brushes against a trigger hair on the inside of the traps modified leaves, it sets off an electrical signal. If the bug d
03:25
The Biggest Babies In The Animal Kingdom

504 views / 0 likes - added 4 years ago

Blue whale calves are the largest animal babies in the world, clocking in at a whopping 1360kg almost the same size as a small car. They put on 90kg a day by guzzling their mothers fatty milk. Meanwhile, bat pups are nowhere near as large, but make up a f
06:17
The Sun Sneeze Gene

278 views / 1 likes - added 3 years ago

I have the photic sneeze reflex so I sneeze when I look at bright light.Check out 23andMe: http://ve42.co/23andme*So technically the single nucleotide swap (C instead of T) is not actually in a gene per se but in an intergenic region on chromosome 2. It's
04:36 Popular
The Extreme Life Of A Sloth

870 views / 2 likes - added 4 years ago

Sloths are the slowest mammal on the planet. But as strange as they seem the sloth is perfectly adapted to their environment and is actually slow for a very important reason. In fact, sloths are far from boring and are a lot more extreme than it seems. Wi
04:32 Popular
What's Inside A Camel Hump?

1,000 views / 2 likes - added 4 years ago

A camel's hump doesn't contain water or bone its fat. And each hump can store up to 36 kilograms of it that can sustain the camel for weeks or even months without food. The fat is incredibly nutritious and people are even starting to use it in cooking for
03:20
The Haunting Hymn of the Taos Hum

528 views / 0 likes - added 6 years ago

In Taos, New Mexico, a strange, low-frequency hum plagues two percent of the local population. This persistent droning emerges seemingly from nowhere and affects those who hear it without relief. Some attribute “The Taos Hum” to hearing disorders, while o
06:03
Is A Vegan Diet Bad For Dogs And Cats?

431 views / 1 likes - added 4 years ago

Vegan diets for pets can be a hot topic for some, so let's see what a diet without animal products would mean for cats and dogs! Jessi is a wildlife educator and animal behaviorist, founder and Executive Director of Animal Wonders Inc. for 11 years. Her k
07:21 Popular
10 Surprising Chemicals Your Body Makes

845 views / 0 likes - added 7 years ago

Everything is made of chemicals, including the human body, but there are some especially weird ones... Hosted by: Michael Aranda ---------- Sources: http://www.ncbi.nlm.nih.gov/books/NBK22459/ https://www.dnalc.org/view/841-dopamine-and-ADHD.html http://h
03:15
Whats Inside A Kangaroos Pouch?

359 views / 1 likes - added 4 years ago

A kangaroo pouch may look like a simple pocket, but its actually a complex nursery specially designed to care for a growing joey. After all, the newborn baby is just the size of a jellybean when it crawls into the pouch and grows to the size of a large ho
01:26
How To Weigh A Fart | Space Time | PBS Digital Studios

571 views / 0 likes - added 7 years ago

Want to ask some sort of crazy question about Space?: Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com EVER WANTED TO WEIGH A FART? Well, it isn't easy, but Gabe from PBS Space Time walks us throug
12:52 Popular
Big Guns: The Muscular System - CrashCourse Biology #31

1,769 views / 1 likes - added 9 years ago

Hank tells us the story of the complicated chemical dance that allows our skeletal muscles to contract and relax. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCourse: http://www.facebook.com/YouTubeCrashCourse Follow CrashCo
29:40
What's Inside These 8 Unique Creatures

299 views / 0 likes - added 4 years ago

Every species on earth has uniquely evolved and adapted to its environment. But some of them have taken it one step further and developed incredible evolutionary traits. From the blistering desert and a camel's hump to the expansive ocean and a turtles sh
02:49
Make The Best Pie Ever Using Science

437 views / 0 likes - added 6 years ago

You may have Grandma’s recipe for the perfect crust, but do you really know what goes on at a molecular level? Subscribe! http://bit.ly/1fUWHyY What Does A Cancer Cell Look Like?: https://youtu.be/BhAP6IfykEQ UCLA biophysicist Amy Rowat shares some of the
43:26
Champions of Illusion Susana Martinez-Conde

133 views / 0 likes - added 1 year ago

You can watch all our videos at https://scienceandnonduality.com Visual illusions are those perceptual experiences that do not match the physical reality. Our perception of the outside world is generated indirectly by brain mechanisms, so all visual perce
05:14
Why Vaping Is Bad For You

405 views / 0 likes - added 4 years ago

Health officials have reported six deaths and at least 450 cases of lung injury connected to vaping. Patients with vaping-associated lung injury display a wide array of respiratory symptoms, including coughing and chest pain. Doctors still don't know what
03:11
Why Does Food Make Your Mouth Water?

681 views / 0 likes - added 7 years ago

Subscribe! http://bit.ly/ACSReactions You’re sitting in your favorite restaurant when a waiter walks by with a hot plate of your favorite food, and your mouth starts to water. But why? What causes drooling in the first place, and why do we only sometimes
05:10
Why Do Humans Get So Many Sinus Infections?

267 views / 0 likes - added 3 years ago

Sinus infections are incredibly common, and it could be linked to our evolution on this planet. In the season 2 premiere of Human, Patrick explains why humans are so prone to these painful infections. Subscribe to Seeker! http://bit.ly/subscribeseeker Wat
04:06
The Surprising Origin Of A Color Darker Than Vantablack

349 views / 0 likes - added 4 years ago

The darkest color in the world was unveiled earlier this year. Its the result of a first-of-its-kind collaboration between art and science. In September, 2019, scientists at MIT unveiled the "blackest black" material to date, which was made using carbon n
02:50
The Fastest-Growing Plant In The World

547 views / 1 likes - added 3 years ago

Get your first audiobook and two Audible Originals for free when you try Audible for 30 days visit https://www.audible.com/minuteearth or text minuteearth to 500-500!Bamboo is the worlds fastest growing plant thanks to the cell elongation process it share
17:56
How Arctic Frogs Survive Being Frozen Alive

236 views / 0 likes - added 3 years ago

Get 1 year of both Nebula and CuriosityStream for just 11.79 here: http://curiositystream.com/realscience using the code "realscience"New streaming platform: https://watchnebula.com/Patreon: https://www.patreon.com/realscienceTwitter: https://twitter.com/
11:21 Popular
Great Glands - Your Endocrine System: CrashCourse Biology #33

1,182 views / 1 likes - added 9 years ago

Hank fills us in on the endocrine system - the system of glands which produce and secrete different types of hormones directly into the bloodstream to regulate the body's growth, metabolism, and sexual development&function. Like CrashCourse on Facebook: h
04:40
The Superb Owl!

573 views / 1 likes - added 7 years ago

Don’t miss the next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓ More info and sources below ↓ As we get ready to watch that big football game that my lawyers tell me I’m not allowed to say the name of, let’s celebrate a champion of the bird world: Stea
03:10 Popular
How to Make Flowers Last Longer

808 views / 0 likes - added 7 years ago

Subscribe! http://bit.ly/ACSReactions Check out columns by Frankie Wood-Black here: http://www.sophicpursuits.com/All-About-Science.html After April showers, we get May flowers — just in time for Mother’s Day. Sadly, after a few days, that wonderful bouqu
Featured
Ghostly critters from the deep sea: Stygiomedusa gigantea

122 views / 0 likes - added 2 years ago

Stygiomedusa gigantea is one of the largest invertebrate predators known in the ocean, yet little is understood about its ecology and behavior. Stygiomedusa lacks tentacles, but has four extraordinarily large oral arms that are presumably used to envelope
04:22 Popular
Why parrots can talk like humans

976 views / 5 likes - added 5 years ago

Monkeys are our closest biological relatives, and they can't speak. But parrots don’t seem to have a problem at all. Subscribe to our channel! http://goo.gl/0bsAjO In 2016 researchers released a study with an incredible headline: monkey vocal tracts are s
Featured
02:23 Popular
Why Do My Eyes Glow Red In Photos?

739 views / 0 likes - added 7 years ago

You know how sometimes your eyes glow bright red in photos, making you look like a scary demon and ruining a priceless family memory? Well, there's a pretty cool reason it happens and ways to stop it! Learn about both in today's QQ! Hosted by: Michael Ara
Featured
04:58
Why Insects Love Summer – Flight, Fights And Booze

600 views / 0 likes - added 8 years ago

Have you ever wondered what happens when insects get drunk? Can you tell the temperature by the frequency of a cricket’s chirps? Do you know what temperature a butterfly has to be to take off? Kate buzzes around the science of summer insects. Subscribe fo
10:33 Popular
Metabolism & Nutrition, Part 1: Crash Course A&P #36

1,095 views / 0 likes - added 8 years ago

Metabolism is a complex process that has a lot more going on than personal trainers and commercials might have you believe. Today we are exploring some of its key parts, including vital nutrients -- such as water, vitamins, minerals, carbs, fats, and prot
13:11 Popular
The Skeletal System: It's ALIVE! - CrashCourse Biology #30

1,290 views / 1 likes - added 9 years ago

Hank introduces us to the framework of our bodies, our skeleton, which apart from being the support and protection for all our fleshy parts, is involved in many other vital processes that help our bodies to function properly. Crash Course Biology is now a
Featured
10:24 Popular
Digestive System, Part 3: Crash Course A&P #35

920 views / 1 likes - added 8 years ago

Nachos are great...if you are among the lucky ones whose body can digest them. When digestion goes according to plan, the small intestine performs most of your chemical digestion in the duodenum, while accessory organs including the liver, gallbladder, an
03:40
Why Don't More Animals Eat Wood?

239 views / 0 likes - added 3 years ago

Thanks to OIST for sponsoring this video. To learn more, visit https://admissions.oist.jp/Wood is abundant and full of energy, but outside of some insects, almost no animals eat it because the stuff it's made of is hard to break down.Thanks also to our Pa
05:05
The 2017 Nobel Prizes: Biological Clocks and Microscopy

609 views / 0 likes - added 6 years ago

Last week, the recipients of the 2017 Nobel Prizes were announced. We take a closer look at the winners of the Physiology and Chemistry Awards, whose breakthroughs change the way we study sleep, and allow us to look at microscopic biological systems in a
03:59
Why Don't Electric Eels Shock Themselves?

79 views / 0 likes - added 4 months ago

Check out @MinutoDaTerra and join our Patreon community at https://patreon.com/minuteearth. (Links to other language channels down in the description)Electric eels can emit some of the largest shocks in the animal kingdom - but why don't they shock themse
12:21 Popular
The Excretory System: From Your Heart to the Toilet - CrashCourse Biology #29

1,274 views / 1 likes - added 9 years ago

Hank takes us on the fascinating journey through our excretory system to learn how our kidneys make pee. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCourse on Facebook: http://www.facebook.com/YouTubeCrashCourse Follow Cras
04:26
Why Does The Sound Of Chewing Drive Us Nuts?

484 views / 0 likes - added 7 years ago

Some people can’t stand the sound of others chewing, but researchers believe this annoyance might be more than just a pet peeve. Can Low Frequency Sound Waves Make You Sick? ►►►► http://bit.ly/1TrynbB Sign Up For The TestTube Newsletter Here ►►►► http://b
09:20 Popular
Lymphatic System: Crash Course A&P #44

1,682 views / 0 likes - added 8 years ago

Today Hank explains your unsung lymphatic system and how it supports cardiovascular function by collecting, filtering, and returning interstitial fluid back into the bloodstream via a system of lymphatic vessels. He also explains the system’s major role i
08:41
Map of Biology

291 views / 0 likes - added 3 years ago

Biology is the subject that studies life in all its forms, from the simple cell through to all the animals that inhabit the planet. In this map I lay out the subject of biology and how all of the sub-disciplines are related to each other: microbiology, ge
04:08
Could Dinosaurs Have Been Warm-Blooded?

638 views / 0 likes - added 8 years ago

For a long time, scientists have debated whether dinosaurs were warm-blooded or cold-blooded. Turns out, they were probably somewhere in between. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't m
Featured
01:47
What’s Really Inside Kraft Singles And Other Processed Cheeses

359 views / 0 likes - added 5 years ago

Next time you're going to town on a stringy diner grilled cheese sandwich, take a good deep look into the cheesy golden-yellow abyss. What is that stuff anyway? USDA research chemist Michael Tunick takes look at what goes into making processed cheese like
03:32 Popular
How Can You Breathe On An Airplane?

799 views / 0 likes - added 8 years ago

Oxygen is sparse at high altitudes but flying in a plane couldn’t be more comfortable. Where do planes get their oxygen? Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG The Truth About Phones on Airplanes ►►►►http://bit.ly/1S4g9ip Read
03:26
Could You Outrun A Fart?

596 views / 0 likes - added 7 years ago

Can you actually run away from a fart? Are Silent Farts More Deadly?: https://youtu.be/btV4K9JMVEQ Why Do We Like Our Own Farts?: https://youtu.be/BPC7e8W8u18 Written by Rachel Salt, Mitchell Moffit and Gregory Brown FOLLOW US! Instagram and Twitter: @wha
10:18 Popular
Urinary System, Part 1: Crash Course A&P #38

984 views / 1 likes - added 8 years ago

Even though you probably don't choose to spend a lot of time thinking about it, your pee is kind of a big deal. Today we're talking about the anatomy of your urinary system, and how your kidneys filter metabolic waste and balance salt and water concentrat
04:16 Popular
How Does Our Skin Turn Sunlight Into Vitamin D?

1,284 views / 0 likes - added 8 years ago

We know vitamin D is good for us and that we get it from the sun, but how exactly does our skin make it? Do Vitamins Really Improve Health? ►►►► http://bit.ly/1RZ4T8j Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG Read More: Vitamin D
Featured
02:54
Watching YouTube Isn’t Helping You Wind Down, It’s Ruining Your Sleep

472 views / 0 likes - added 6 years ago

Your circadian rhythm can be interrupted from the light emitted from your phone, but how? What is it doing to your brain? What Sleep Deprivation Does To Your Body - https://youtu.be/lfmy0d9oWt8 Read More: Snooze Alarm: Sufficient Sleep Improves Human Heal
15:02 Popular
Your Immune System: Natural Born Killer - Crash Course Biology #32

908 views / 0 likes - added 9 years ago

Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCour
11:44
What Was the Ancestor of Everything? (feat. PBS Space Time and It’s Okay To Be Smart)

452 views / 0 likes - added 6 years ago

Check out It’s Okay To Be Smart’s video for more about the origins of life on earth: https://youtu.be/_uAJY1mqtw4 And check out PBS Space Time’s video on the physics of life: https://youtu.be/GcfLZSL7YGw The search for our origins go back to a single comm
03:53 Popular
Why Do We Get Pruney Fingers In Water?

1,607 views / 10 likes - added 7 years ago

Ever noticed the way your fingers wrinkle when they're in water? Scientists have discovered there might actually be a purpose for it! Why Did Our Toes Evolve To Look So Weird? http://bit.ly/1TChNWx Sign Up For The Seeker Newsletter Here - http://bit.ly/1U
Featured
15:52
The Giant Fish That Makes Milk

256 views / 0 likes - added 2 years ago

Get 1 year of both Nebula and CuriosityStream for just 14.79 here: http://curiositystream.com/realscience using the code "realscience"New streaming platform: https://watchnebula.com/Patreon: https://www.patreon.com/realscienceTwitter: https://twitter.com/
02:49 Popular
How Do Trees Survive Winter?

722 views / 0 likes - added 8 years ago

This video sponsored by our Subbable supporter NIL: http://www.youtube.com/TheNilFacts And thanks to Subbable supporter Raed Massoud for helping make MinuteEarth possible! You can support MinuteEarth on Subbable too! - https://subbable.com/minuteearth Hum
Featured
05:23
Why the Immune System Is a Bats Secret Superpower

304 views / 1 likes - added 3 years ago

Bats are the only mammal group that can fly, but this key trait may allow them to do much more. Subscribe to Seeker! http://bit.ly/subscribeseeker Visit our shop at http://shop.seeker.comBats make up about twenty percent of all mammals and because of that
03:05
What Happens If You Hold Your Pee In For Too Long

646 views / 1 likes - added 5 years ago

Everyone holds in their pee every now and then. And that's okay! Just don't do it too often, or it could lead to some serious problems down the road. Science Insider tells you all you need to know about science: space, medicine, biotech, physiology, and m
09:22
Why Do We Get Dizzy (…and Astronauts Don’t?)

430 views / 0 likes - added 5 years ago

You can check out Google's Science Journal app at http://g.co/ScienceJournal Follow me to BrainCraft! ►► https://youtu.be/rSRS9acrog0 ↓↓↓ More info and sources below ↓↓↓ We’ve all gotten dizzy before… but have you ever gotten WEIRD DIZZY? I teamed up with
04:02
Where The Weird Things Are

58 views / 0 likes - added 5 months ago

We made this video in partnership with the Bik Lab at University of Georgia and the National Science Foundation.Life in Antarctica's ocean has followed a completely different evolutionary path from other ocean life because of how cold and isolated the oce
03:51
Grow your brain by moving your bodyjust 10 minutes a day | Wendy Suzuki

79 views / 0 likes - added 7 months ago

Exercise neuroscientist Wendy Suzuki explains how your brain can age gracefully and optimally and it starts with just a 10 minute walk.Subscribe to Big Think on YouTube https://www.youtube.com/channel/UCvQECJukTDE2i6aCoMnS-Vg?sub_confirmation=1Up next, An
02:58
We Didn’t Think This Part of the Brain Existed, and It Could Save Your Life

638 views / 0 likes - added 5 years ago

Scientists recently discovered a never-before-seen drainage system in the brain! Here's how it could lead to exciting breakthroughs in the treatment of neurological diseases. Doctors Have to Trick Your Brain’s Defenses to Heal You, Here’s Why - https://yo
10:30 Popular
Taste&Smell: Crash Course A&P #16

978 views / 0 likes - added 9 years ago

Hank resists the urge to devour a slice of pizza so that he can walk you through the way we experience our major special senses. It all boils down to one thing: sensory cells translating chemical, electromagnetic, and mechanical stimuli into action potent
08:40
How to Build Muscle, According to Science

452 views / 0 likes - added 3 years ago

Your muscles change a lot over the course of your life. In this episode, Patrick breaks down everything you need to know about how muscles form, grow, and how to stay strong later in life. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Huma
08:20 Popular
Weight Loss Pills: Fact Or Fiction?

1,201 views / 0 likes - added 8 years ago

Enjoy your bacon sandwich, while we walk you through the facts and fictions of what science can -- and maybe someday, will -- do to help people lose weight safely. Annotations: Caffeine: https://youtu.be/Xl1XBJLfIDU Circadian Rhythm: https://youtu.be/UbQ0
09:55
This is How Your Body Makes New Cells

639 views / 0 likes - added 3 years ago

If we want to become a functioning human being, we need to have cells grow and replicate. In the final episode of this Human season, Patrick will explain the cell cycle and why we aren't just clones of our parents. Subscribe to Seeker! http://bit.ly/subsc
20:09
The Insane Biology of: The Gorilla

148 views / 0 likes - added 1 year ago

Be one of the first 200 people to sign up with this link and get 20% off your subscription with Brilliant.org! https://brilliant.org/realscience/ Watch this video ad-free on Nebula: https://nebula.tv/videos/realscience-the-insane-biology-of-the-gorillaPat
08:46 Popular
Why Do Lymph Nodes Swell Up When You're Sick?

747 views / 0 likes - added 4 years ago

Your lymphatic system plays an essential role in keeping you healthy, but how exactly does it work? Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Human! http://bit.ly/HUMANplaylist Visit our shop at http://shop.seeker.comThe lymphatic syst
09:33 Popular
This Is How Your Body Turns Food Into Energy

976 views / 0 likes - added 3 years ago

Your body needs energy to do, well, everything. But where does that energy come from? In this episode, Patrick dives into how exactly mitochondria power the cell, how ATP works, and, alas, the Krebs cycle. Buckle up! Subscribe to Seeker! http://bit.ly/sub
03:49
The Science Nobel Prizes Explained in 3 Minutes

419 views / 0 likes - added 5 years ago

Science that’s worthy of a Nobel Prize is bound to be complicated. Here’s everything you need to know about this year’s winners. How To Win A Nobel Prize - https://youtu.be/4a1_3aW-VD8 Read More: The Nobel Prize in Physics 2018 https://www.nobelprize.org/
05:01
Octopuses Can Smell, Feel, AND Think With Their Arms, Wait What?

261 views / 0 likes - added 3 years ago

Octopuses think, feel, and smell with their arms. Scientists are using them as inspiration for innovations in material science, medicine, and soft robotics. Subscribe to Seeker! http://bit.ly/subscribeseeker Visit our shop at http://shop.seeker.comThey ca
04:52 Popular
How Exactly Do Your Ears Affect Your Sense of Balance?

910 views / 0 likes - added 3 years ago

How exactly are your ears connected to your sense of balance? In the final episode of season 2, Patrick breaks down what the connection is and the outsized role hidden anatomy plays in this important sense. Subscribe to Seeker! http://bit.ly/subscribeseek
03:08 Popular
How Hamsters Can Stuff So Much Food In Their Cheeks

1,250 views / 5 likes - added 5 years ago

Hamsters can stuff their cheeks with up to 20% of their body weight. Most of the time, they fill their cheeks with food, but sometimes mother hamsters store their babies in their cheeks for protection. Hamster cheeks contain pouches that resemble small de
Featured
05:43
How Sharks Use Electricity To Sense Prey

381 views / 1 likes - added 3 years ago

Sharks are some of the animal kingdom's most feared hunters, thanks to a special sixth sense. Subscribe to Seeker! http://bit.ly/subscribeseeker Visit our shop at http://shop.seeker.comThere are two ways that animals use electroreception. They either use
05:23
How Does Your Body Process Pain?

232 views / 0 likes - added 3 years ago

Pain is much more complicated than getting a nasty cut on your knee. In this episode of Human, Patrick breaks down how your body feels pain on a physiological level. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Human! http://bit.ly/HUMANp
05:31
Here's Why Cheetahs Are So Much Faster Than Other Animals

397 views / 5 likes - added 3 years ago

Cheetahs are the fastest land animals on Earth. So what's the secret to their incredible speed? Subscribe to Seeker! http://bit.ly/subscribeseeker Visit our shop at http://shop.seeker.comA cheetah has a short muzzle, small canines, and other features to h
05:39
How To Cram For Your Exam (Scientific Tips)

422 views / 0 likes - added 5 years ago

Try these study tips when you are down to the wire! Signup for your FREE trial to The Great Courses Plus here: http://ow.ly/TDjL30nzMVp Listen to our podcast Sidenote! https://bit.ly/2SYfqcx "The Great Courses Plus is currently available to watch through
02:50
What If All The World’s Coral Reefs Disappeared?

595 views / 3 likes - added 5 years ago

Earth is currently facing the worst bleaching of coral reefs ever known in history, but what would happen if all the coral reefs died off? We've already lost 50% of the world's coral, and we're at risk of losing even more. If the world lost all its coral
05:35
Think You Know Whats Inside a Camels Hump? THINK AGAIN?

241 views / 0 likes - added 3 years ago

A camels hump weighs roughly 35 kilograms. So what exactly is in a camel's hump? Subscribe to Seeker! http://bit.ly/subscribeseeker Visit our shop at http://shop.seeker.comThere are three types of camels: the Dromedary, which has one hump, and the Bactria
03:40
Is Bigger Better?

140 views / 0 likes - added 6 months ago

This video was made in partnership with Popsci! They recently published their "Muscles" issue, and wrote an article to go along with this video that you can read here: https://popsci.com/environment/strongest-animal-by-weightElephants might be strong, but
08:41
How Exactly Is Your Body Held Together?

412 views / 0 likes - added 3 years ago

Connective tissue does a lot more than just keep you in one piece. In this episode, Patrick breaks down the varied role it plays in your body and how one tissue type can encompass so many different types of cells. Subscribe to Seeker! http://bit.ly/subscr
05:25
Why Your Dog Can Remember Smells and You Can't

211 views / 0 likes - added 3 years ago

Dogs have some seriously impressive sniffers. But why are dog noses so powerful and how is it that they can remember precise smells over long periods of time? Subscribe to Seeker! http://bit.ly/subscribeseeker Visit our shop at http://shop.seeker.comIt al
06:05
This Is What Makes Crocodile Jaws So Deadly

635 views / 0 likes - added 3 years ago

Crocodiles have more than 60 teeth, but they don't chew their food sometimes they have to perform a death roll. Subscribe to Seeker! http://bit.ly/subscribeseeker Visit our shop at http://shop.seeker.comThe crocodilian group is hundreds of millions of yea
07:56 Popular
Blood Is So Much More Than You Think, Here's What's Inside

765 views / 0 likes - added 4 years ago

Blood is the ultimate travel companion in your body, and everyone's got some. But what is blood even made of? Subscribe to Seeker! http://bit.ly/subscribeseeker Visit our shop at http://shop.seeker.com Not only does blood carry out many important function
05:01
How Does Inflammation Work in Your Body?

251 views / 0 likes - added 3 years ago

There is always marketing claiming a new product reduces inflammation, but inflammation is a natural biological process, and we need at least some of it to keep us safe. In this episode, Patrick explains the inflammatory response and why it's necessary fo
03:25
Is Eating Boogers Actually Unhealthy?

690 views / 1 likes - added 5 years ago

Over 90% of adults pick their nose. And afterward, many people eat those boogers. But it turns out, that can be unhealthy and dangerous. Boogers trap invading viruses and bacteria before than can enter your body. So eating those boogers might expose your
08:12
Your Cells Send Trillions of Messages Every Second, Here's How

285 views / 0 likes - added 4 years ago

To function properly, our bodies depend on tons of chemical messages to fire every second of our lives, but how exactly does our body know how to do this? In this episode, Patrick will help break down communication on a cellular level. Subscribe to Seeker
05:03
Here's What Holding Your Breath Does To Your Body

242 views / 0 likes - added 3 years ago

It's common to see how long you can hold your breath for, but how does your body know when youre at your breaking point? In this episode of Human, Patrick explains why it comes down to what's in your blood. Subscribe to Seeker! http://bit.ly/subscribeseek
04:56
What Exactly Is the Blood Brain Barrier?

244 views / 0 likes - added 3 years ago

Our brains are choosy about what they let in, and that's thanks to the blood brain barrier. In this episode, Patrick explores how this anatomical separation between our blood and brain keeps us safe from potential harm. Subscribe to Seeker! http://bit.ly/
03:31
The Tallest Lifeforms Of All Time

456 views / 0 likes - added 5 years ago

If you doubled in size, your weight would be eight times greater. That’s the trouble with growing tall. Gravity’s pull is keeping us all down. But there are a few earthly giants that have fought gravity and won. Science Insider tells you all you need to
07:45
Anxiety evolved to help us what went wrong? A neuroscientist explains. | Wendy Suzuki

209 views / 0 likes - added 7 months ago

Neuroscientist Wendy Suzuki explains why zero anxiety isnt the goal.Subscribe to Big Think on YouTube https://www.youtube.com/channel/UCvQECJukTDE2i6aCoMnS-Vg?sub_confirmation=1Up next, The #1 way to strengthen your mind is to use your body | Wendy Suzuki
03:21
Never Eat The Clean Part Of Moldy Bread

346 views / 0 likes - added 2 years ago

It’s not safe to eat bread or fruit contaminated with mold, even if you cut away the moldy parts. When mold reproduces, it spreads throughout your food, hiding in places you can't see. And while many species of mold are harmless, others can make you

>> View physiology web videos