Search Results: "BC"

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06:42 Popular
Carl Sagan- In 200 bc they proved the earth was round and the size

739 views / 0 likes - added 8 years ago

A most simple deduction made around 200 bc by the Astronomer Eratosthenes. A Globular spheroid is our home ^^ Using the simple concept that shadows must be the same length on a flat surface, but different when on a curved surface, Eratosthenes was able to
06:13
Calculating the circumference of the Earth in 200 BC

518 views / 0 likes - added 5 years ago

In one of the dopest displays of critical thinking in history, Eratosthenes estimated the circumference of the Earth. All he had was a pole, the sun, knowledge of a famous well in Egypt, and potentially money to pay someone to walk the distance between tw
Sir David Attenborough Gives a Lesson on Seeds | The Green Planet | BC Earth

134 views / 0 likes - added 2 years ago

Giant seeds, tiny seeds, floaty seeds and flying seeds. Sir David Attenborough gives us a quick biology lesson in all of them. #GreenPlanet will open your eyes to an undiscovered kingdom this is life from the perspective of plants. Discover more https://w
Irrigate like its 2000 BC with these easy DIY terracotta watering pots called ollas

155 views / 0 likes - added 2 years ago

Make an Olla (pronounced oi-ya)Ollas have been used for thousands of years in agriculture and gardening practices and are traditionally unglazed terracotta jugs filled with water and buried into the soil, with their necks protruding slightly. Once the por
05:03 Popular
Sound of Ancient Languages

781 views / 3 likes - added 6 years ago

Ancient Languages: Ancient Egypt / 3100 BC - 332 BC Achaemenids / 550 BC–330 BC Ancient Greece / c. 800 BC - c. 600 AD Ancient Rome / 753 BC–476 AD Assyria / 1813 BC–612 BC Göktürks / 552 AD-744 AD Hittites / c. 1600 BC–c
02:13
A Visual History of Sports

463 views / 0 likes - added 5 years ago

The first recorded sport in history was spear throwing, which arose in 70,000 BC out of a need for ancient hunters to practice their skills. Bowling was the first known ball game, appearing in Egypt in 3,200 BC; later, there was Pitz, played by the ancien
28:43
The Electricity Show!

261 views / 0 likes - added 3 years ago

Citizens of Earth! Scientists of all ages! Please join us for a livestream of our Centre Stage show, Electricity, with presenting partner, BC Hydro! To learn more about energy, visit http://www.schools.bchydro.com Our dome is closed, eliminating our main
10:33
Kids Try 10,000 Years of Bread | Epicurious

435 views / 0 likes - added 4 years ago

Watch as a bunch of kids try 10,000 years of one of the oldest cooked foods known to man: bread. Whether it's unleavened flatbread from around 8000 BC, sourdough bread from 2500 BC or scones from 1500 AD, these kids try them all. Still havent subscribed t
02:03
A Visual History of Ancient Hairdos (and Don'ts)

454 views / 0 likes - added 5 years ago

The documented history of hairstyles begins prior to 3200 BC, when braided wigs were in vogue. In this short animation, we've condensed hairstyles from over 50 centuries into a single video. From the chignon of 9th century BC, to horned buns that peaked i
09:41
Understanding Calendar Notation

631 views / 0 likes - added 9 years ago

Difference between BC, BCE, AD and CE. A little bit about the birth of Jesus as well. More free lessons at: http://www.khanacademy.org/video?v=EKKe7DBZVhI
01:13 Popular
Carnyx War Sound

1,166 views / 1 likes - added 8 years ago

John Kenny playing the Carnyx . This is a very old wind instrument (200 BC) that was often used during war battles to scare opponents.
07:32
How simple ideas lead to scientific discoveries

619 views / 0 likes - added 5 years ago

Adam Savage walks through two spectacular examples of profound scientific discoveries that came from simple, creative methods anyone could have followed -- Eratosthenes' calculation of the Earth's circumference around 200 BC and Hippolyte Fizeau's measure
13:58
Ant On A Rubber Rope Paradox

677 views / 0 likes - added 4 years ago

Watch my newest video, "The Game You Win By Losing (Parrondo's Paradox)": https://youtu.be/PpvboBJEozMPLEASE SUBSCRIBE TO MY PODCAST: https://bit.ly/2BCLhoKCuriosity Box: https://www.curiositybox.com/*********** LINKS *************The Create Unknown Podca
01:14
Fool Your Senses Using Only Hot, Cold and Warm Water.

384 views / 1 likes - added 3 years ago

Join Cindy as she uses three bowls of water - one hot, one cold, and one at room temperature - to talk about perception. Our dome is closed, eliminating our main revenue source. As a non-profit, your donation supports our transition online so we can conti
28:17
The Sound Show

296 views / 0 likes - added 3 years ago

Citizens of Earth! Scientists of all ages! Please join us for a livestream of our Centre Stage show, SOUND! Our dome is closed, eliminating our main revenue source. As a non-profit, your donation supports our transition online so we can continue deliverin
25:28
The Air Show

271 views / 0 likes - added 3 years ago

Citizens of Earth! Scientists of all ages! Please join us for a livestream of our Centre Stage show, Air! Our dome is closed, eliminating our main revenue source. As a non-profit, your donation supports our transition online so we can continue delivering
21:22
The Balloon Show!

207 views / 0 likes - added 3 years ago

Citizens of Earth! Scientists of all ages! Please join us for a livestream of our Centre Stage show, Balloons! Our dome is closed, eliminating our main revenue source. As a non-profit, your donation supports our transition online so we can continue delive
29:03
The Fire & Ice Show

225 views / 0 likes - added 3 years ago

Citizens of Earth! Scientists of all ages! Please join us for a livestream of our Centre Stage show, Fire & Ice! Our dome is closed, eliminating our main revenue source. As a non-profit, your donation supports our transition online so we can continue deli
02:23
Great Pyramid of Giza

664 views / 0 likes - added 6 years ago

Great Pyramid of Giza Ancient Egypt, 2580–2560 BC (4th dynasty) Beginning construction on 2580 BC, the great Pyramid was built for Pharaoh Khufu, son of Snefru and second ruler of the 4th dynasty as a tomb. Support the cartoons on patreon: https://www.pat
03:46
We Should Let Some Wildfires Burn

654 views / 1 likes - added 5 years ago

In the last few years, wildfires have been getting worse - and, oddly, it's because humans have been preventing them. From a helicopter above the forests of British Columbia, and from the Tree Ring Lab at UBC, let's talk about how we should just let some
01:12
How to Make an Origami Frog

278 views / 0 likes - added 3 years ago

The dome is closed, but Science World is still at work. During Science Worlds COVID-19 closure, we are fielding science questions from the public, directing families to our BC-curriculum-linked online resources, and preparing video content for the entire
05:49
How Horseshoe Crabs Make Covid-19 Vaccines Safer!

268 views / 0 likes - added 2 years ago

Ever wonder how vaccines are tested to ensure they are safe? In this video, we look at how horseshoe crab blood plays a key role in making vaccines safe! Media Credits: Music: Ancient Winds Kevin MacLeod (incompetech.com) Licensed under Creative Commons:
02:47
Is The Great Barrier Reef Actually Dead?

636 views / 2 likes - added 6 years ago

There’s been a lot of back and forth on the health of Australia’s Great Barrier Reef. So what’s the status of its coral? Is Breakfast Really the Most Important Meal of the Day? https://www.youtube.com/watch?v=tGbfH_96ToM&t=109s Diving Into the ‘Twilight Z
04:26 Popular
What Makes Tattoos Permanent? - Claudia Aguirre

948 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-makes-tattoos-permanent-claudia-aguirre The earliest recorded tattoo was found on a Peruvian mummy in 6,000 BC. That's some old ink! And considering humans lose roughly 40,000 skin cells per hour, how do th
05:44 Popular
The History Of Museums - J. V. Maranto

742 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-do-we-have-museums-j-v-maranto Museums have been a part of human history for over 2,000 years -- but they weren't always like the ones we visit today. J.V. Maranto uncovers the evolution of museums, from the
1:10:07
Khan Academy Live: AP Calculus

575 views / 0 likes - added 6 years ago

Taking AP Calculus? Prep for the exam with our free live tutoring session. Dave, one of our calculus experts, will review key concepts, solve sample questions, and share ways to avoid common mistakes. Prep for your AP Calculus exams on Khan Academy: https
06:27
Making Authentic Mexican Tacos

454 views / 0 likes - added 6 years ago

While in Canada, we heard our friends were opening up a Mexican restaurant, so we decided to check it out. It was so good, that we asked if we could film and they graciously said yes! So on our second trip to Maizal, our friend Chef Rodrigo shows us how t
07:04
Stonehenge | 10 Places That Made England with Dan Snow

19 views / 0 likes - added 1 month ago

Join historian Dan Snow as he explores the places that shaped Englands story, in this exclusive series with History Hit. In this episode, Dan visits one of the most iconic historic landmarks in the world Stonehenge. Built around 2500 BC, in the late Neoli
05:36 Popular
Why should you read Virgil's "Aeneid"? - Mark Robinson

727 views / 0 likes - added 6 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-should-you-read-virgil-s-aeneid-mark-robinson In 19 BC, the Roman poet Virgil suffered heatstroke and died on his journey back to Italy. On his deat
02:48 Popular
Fresh Water Meets Sea Water Boundary Explained

3,508 views / 1 likes - added 4 years ago

This is the Fraser River Delta just in front of Vancouver BC Canada, this is where sea water meets fresh water.The river water from Fraser River, flows into the ocean water of the Strait of Georgia. Modern Science has discovered that in the places where t
07:13 Popular
How the Sun Burns Your Skin (and How Sunscreen Prevents This)

701 views / 0 likes - added 6 years ago

If you happen to like our videos and have a few bucks to spare to support our efforts, check out our Patreon page where we've got a variety of perks for our Patrons, including Simon's voice on your GPS and the ever requested Simon Whistler whistling packa
03:16 Popular
Strange But True! 21 Unbelievable Historical Facts

1,338 views / 3 likes - added 8 years ago

Historical facts that sound totally unbelievable but are 100% true. Mind = blown. These are some of the craziest events, facts and figures throughout history. File under: Catnip for history buffs. We got the idea for this from Reddit, but we've also done
Featured
28 Ways Potatoes Are Eaten Around the World | Around The World

218 views / 0 likes - added 2 years ago

Since 8000 BC, humans have cultivated potatoes. Easy to grow in most climates, potatoes are part of diets across the globe. From pairings with fried onions and red chilies in Bangladesh to cheese curds and gravy in Canada, were taking a look at how potato
06:30 Popular
The Invention Nobody Wanted That Became One of the Top Selling Office Products of All Time

1,054 views / 0 likes - added 7 years ago

→Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 →How "Dick" came to be short for 'Richard': https://youtu.be/BH1NAwwKtcg?list=PLR0XuDegDqP2Acy6g9Ta7hzC0Rr3RDS6q Never run out of things to say at the wate
03:47 Popular
Like Fruit? Thank A Bee!

776 views / 2 likes - added 7 years ago

You might enjoy a delicious peach or slice of watermelon this summer, and it's largely in thanks to our pollinating friends: the BEES! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold yo
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10:43
How To Draw Ski Goggles Self-Portrait

36 views / 0 likes - added 2 months ago

Yay! Today, Austin and I are learning how to draw ski goggles and a self-portrait! This isn't just any drawing lesson; it's a unique way to transform your love for art and winter sports into a personalized art project.Grab your Art For Kids Hub markers an
07:53
How to Figure Out the Day of the Week For Any Date Ever

398 views / 0 likes - added 6 years ago

To learn more about Brilliant, go to https://brilliant.org/BeSmart/ and sign up for free. First 200 people will get 20% off the annual Premium subscription. ↓↓↓ More info and sources below ↓↓↓ You can be a human computer too. Our cheat sheet: http://bit.l
10:45 Popular
Why are Movie Theater Concessions So Expensive? (The US v Paramount)

743 views / 0 likes - added 6 years ago

→Signup for your FREE trial to The Great Courses Plus here: http://ow.ly/ixNM30beNK6 →Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 →How "Dick" came to be short for 'Richard': https://youtu.be/BH1NAwwKt
02:08 Popular
What Happens When You Swallow Hair?

727 views / 0 likes - added 8 years ago

In this episode, Michael Aranda will help you empathize with your cat as we explore what happens when you swallow hair. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them!
03:35 Popular
Why a Geckos Feet Can Stick to Almost Anything

883 views / 1 likes - added 7 years ago

→Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 →How "Dick" came to be short for 'Richard': https://youtu.be/BH1NAwwKtcg?list=PLR0XuDegDqP2Acy6g9Ta7hzC0Rr3RDS6q Never run out of things to say at the wate
06:47
Why Do We Call Parents Mom and Dad Instead of Their Names?

611 views / 0 likes - added 6 years ago

If you happen to like our videos and have a few bucks to spare to support our efforts, check out our Patreon page where we've got a variety of perks for our Patrons, including Simon's voice on your GPS and the ever requested Simon Whistler whistling packa
04:08
Solar-Powered Slugs

217 views / 1 likes - added 3 years ago

We need to eat food to fuel our bodies, but this special slug, called emerald elysia, can make food using sunlight - just like plants do!----------Love SciShow Kids and want to help support it? Become a Patron on Patreon: https://www.patreon.com/scishowIf
03:55
The 2,000 strong army of life-size statues - Guinness World Records

177 views / 0 likes - added 1 year ago

Subscribe || https://gwr.co/YT-SubFavourites || http://gwr.co/YT-FavsThe group of life-size clay soldiers and other figures commonly known as the "Terracotta Army" discovered near Xian, China, are reported to total as many as 8,000 in number, although mor
04:38
Why Do Nails on Your Fingers and Toes Grow at Different Rates?

644 views / 0 likes - added 6 years ago

If you happen to like our videos and have a few bucks to spare to support our efforts, check out our Patreon page where we've got a variety of perks for our Patrons, including Simon's voice on your GPS and the ever requested Simon Whistler whistling packa
09:36 Popular
Where Did the Expression The Big Cheese Come From?

779 views / 0 likes - added 6 years ago

-First 100 people to sign up will get three meals off their Blue Apron order free! Click here: http://cook.ba/2vgP9c4 -This video is sponsored by Blue Apron. If you happen to like our videos and have a few bucks to spare to support our efforts, check out
09:34
Why Don't Hot Dogs and Hot Dog Buns Come in Packs of Equal Number?

664 views / 0 likes - added 7 years ago

→Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 →Bakers Dozen video: https://www.youtube.com/watch?v=UPDV0POS5d0 →How "Dick" came to be short for 'Richard': https://youtu.be/BH1NAwwKtcg?list=PLR0XuDegDqP
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04:07 Popular
Humans In 1000 Years

701 views / 0 likes - added 8 years ago

What will humanity look like in 1000 years? Watch as we cover some cutting-edge innovations happening today. Thanks to the National Geographic Channel for sponsoring this video! Check out Breakthrough on Nov 1st at 9/8c (new episodes on Sundays) http://bi
04:54
My First Time Flying on an Airplane! | Airplane Science | SciShow Kids

151 views / 0 likes - added 1 year ago

Jessi and Squeaks are taking a trip soon! But Squeaks has never been on a plane before, and he's a little nervous about it. Let's learn what it's like to go through the airport and to be on an airplane, so we can help squeaks feel a little more comfortabl
08:39
I Tried Betty Crocker's Mini Donut Maker Tasty

329 views / 0 likes - added 3 years ago

We tested Betty Crocker's Mini Donut Maker! We hope you love the products we recommend! Just so you know, BuzzFeed may collect a share of sales from the links in this video description.Get the Betty Crocker Mini Donut Maker here:https://www.amazon.com/Bet
11:23
What Happens if You Accidentally Damage or Destroy a Priceless Work of Art in a Museum

696 views / 0 likes - added 6 years ago

Thanks to Skillshare for sponsoring this video! First 200 people will get a 2 month trial for free here: http://skl.sh/2xwnKCg If you happen to like our videos and have a few bucks to spare to support our efforts, check out our Patreon page where we've go
03:32 Popular
Meet 3 Peculiar Penguins

1,048 views / 3 likes - added 8 years ago

When you think of penguins, you probably think of the kinds you’ve seen in cartoons and movies. But there are at least 18 different kinds of penguins, including some that are tiny, some that live in hot places, and even some that spend time in the woods!
10:30
How Plants Caused the First Mass Extinction

372 views / 0 likes - added 3 years ago

Check out Journey to the Microcosmos: https://youtube.com/microcosmosIn the middle of the Cambrian, life on land was about to get a little more crowded. And those newcomers would end up changing the world. The arrival of plants on land would make the worl
10:10 Popular
Introduction To Intellectual Property: Crash Course IP 1

816 views / 0 likes - added 8 years ago

This week, Stan Muller launches the Crash Course Intellectual Property mini-series. So, what is intellectual property, and why are we teaching it? Well, intellectual property is about ideas and their ownership, and it's basically about the rights of creat
08:11 Popular
Human Extinction

1,032 views / 2 likes - added 8 years ago

Some ideas about our end. Twitter: http://www.twitter.com/tweetsauce Instagram: http://www.instagram.com/electricpants MORE LINKS BELOW! related Vsauce videos: What Will We Miss? https://www.youtube.com/watch?v=7uiv6tKtoKg Cruel Bombs: https://www.youtube
09:26 Popular
How Do Dry Cleaners Clean Clothing

1,155 views / 0 likes - added 6 years ago

→Squarespace! Get 10% off your first order, and support us, by going to http://squarespace.com/brainfood If you happen to like our videos and have a few bucks to spare to support our efforts, check out our Patreon page where we've got a variety of perks f
06:33
How We Could Beat Childhood Peanut Allergies | SciShow News

163 views / 0 likes - added 2 years ago

Go to https://thld.co/munkpack_scishow0122 and use code SCISHOW to get 20% off your first purchase! Thanks to Munk Pack for sponsoring todays video!More and more kids are avoiding peanut butter due to life threatening allergies, but we could make it so th
04:31
What Is The Silver Tsunami?

642 views / 4 likes - added 5 years ago

Something big is coming…and it's called The Silver Tsunami? Check out Hollywood Health & Society: https://hollywoodhealthandsociety.org Subscribe: https://bit.ly/SubLifeNoggin | Get your exclusive Life Noggin merch: http://keeponthinking.co Follow Life No
11:57
The Wallis Formula For π

578 views / 0 likes - added 7 years ago

Start with the pair of fractions (2/1)(2/3). Now increment each number by 2 to get the pair of fractions (4/3)(4/5). Repeat this to get the next pair, and repeat this infinitely many times. If you then multiply all the fractions, you get a marvelous value
06:35
Why are Buffalo Wings Called That?

655 views / 0 likes - added 6 years ago

Free monthly data with TunnelBear: http://tunnelbear.com/brainfood If you happen to like our videos and have a few bucks to spare to support our efforts, check out our Patreon page where we've got a variety of perks for our Patrons, including Simon's voic
04:09
How eclipses proved that the Earth is slowing down

68 views / 0 likes - added 6 months ago

This video is supported by the NASA Heliophysics Education Activation Team (NASA HEAT), part of NASAs Science Activation portfolio.Without eclipses, our world would be a lot different because eclipses give us the ability to do science we otherwise wouldnt
07:12 Popular
The Great Emu War of 1932

806 views / 1 likes - added 6 years ago

→FREE BOOK FROM AUDIBLE: http://audible.com/brainfood →Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 →How "Dick" came to be short for 'Richard': https://youtu.be/BH1NAwwKtcg?list=PLR0XuDegDqP2Acy6g9Ta7h
05:44 Popular
Can Sharks Really Grow an Unlimited Number of Teeth

1,134 views / 7 likes - added 6 years ago

If you happen to like our videos and have a few bucks to spare to support our efforts, check out our Patreon page where we've got a variety of perks for our Patrons, including Simon's voice on your GPS and the ever requested Simon Whistler whistling packa
18:43
How Disney Fools Your Brain with Forced Perspective

429 views / 0 likes - added 3 years ago

Go to https://NordVPN.com/ArtofEngineering and use code ARTOFENGINEERING to get 68% off a 2-year plan plus 1 additional month for free. Its risk-free with Nords 30-day money-back guarantee!A comprehensive guide to forced perspective techniques at the Disn

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