Search Results: "Eir"

All Most Recent Most Viewed

08:56
Comparative Advantage Specialization and Gains from Trade

607 views / 0 likes - added 9 years ago

How two parties can get better outcomes by specializing in their comparative advantage and trading More free lessons at: http://www.khanacademy.org/video?v=xx9xNJlPOJo
07:41
Math Mechanics of Thai Banking Crisis

655 views / 0 likes - added 9 years ago

Going through the mechanics of how a Thai financial institution can lose their shirt when their currency devalues. More free lessons at: http://www.khanacademy.org/video?v=9p3HNMe-oAI
08:13
Primaries and Caucuses

452 views / 0 likes - added 9 years ago

How states choose their delegates for the national party conventions (under CC-BY-SA license) More free lessons at: http://www.khanacademy.org/video?v=z_QeYCg4yJ8
06:38
Firestick Farming

648 views / 0 likes - added 9 years ago

How the indigenous Australians used fire to change their environment More free lessons at: http://www.khanacademy.org/video?v=mwUyaeWxJhA
12:24
Debt Loops Rationale and Effects

606 views / 0 likes - added 9 years ago

Positive and negative effects of China's devaluing of their currency More free lessons at: http://www.khanacademy.org/video?v=XBI7DqttyOQ
08:37 Popular
CAM Plants

913 views / 0 likes - added 9 years ago

How CAM Plants are able to fix carbon at night so they don't have to keep their stomata open during the day More free lessons at: http://www.khanacademy.org/video?v=xp6Zj24h8uA
09:22
Tropomyosin and troponin and their role in regulating muscle contraction

687 views / 0 likes - added 9 years ago

Tropomyosin and troponin and their role in regulating muscle contraction. How calcium ion concentration dictates whether a muscle is contracting or not. More free lessons at: http://www.khanacademy.org/video?v=LiOfeSsjrB8
20:34
Helper T Cells

590 views / 0 likes - added 9 years ago

Introduction to helper T cells and their role in activating B cells More free lessons at: http://www.khanacademy.org/video?v=uwMYpTYsNZM
15:50
Keq derivation intuition (can skip; bit mathy)

508 views / 0 likes - added 9 years ago

A more concrete attempt at showing how the probabilities of molecules reacting is related to their concentration. More free lessons at: http://www.khanacademy.org/video?v=psLX080RQR8
13:46
The Convolution and the Laplace Transform

599 views / 0 likes - added 9 years ago

Understanding how the product of the Transforms of two functions relates to their convolution. More free lessons at: http://www.khanacademy.org/video?v=TJgBEI3drUc
08:59
Magnetism 2

629 views / 0 likes - added 9 years ago

Magnetic fields and their effects on moving electrical charges More free lessons at: http://www.khanacademy.org/video?v=NnlAI4ZiUrQ
09:47
Calculating dot and cross products with unit vector notation

578 views / 0 likes - added 9 years ago

Calculating the dot and cross products when vectors are presented in their x, y, and z (or i,j, and k) components. More free lessons at: http://www.khanacademy.org/video?v=enr7JqvehJs
09:15
Federalism: Crash Course Government and Politics #4

692 views / 0 likes - added 9 years ago

In which Craig Benzine teaches you about federalism, or the idea that in the United States, power is divided between the national government and the 50 state governments. Craig will teach you about how federalism has evolved over the history of the US, an
08:28
Congressional Committees: Crash Course Government and Politics #7

696 views / 0 likes - added 9 years ago

This week Craig Benzine clears up the role of committees in Congress. We’ll talk about standing committees, joint committees, conference committees, and caucuses (and not the candidate-choosing kinds) as well as the staff agencies that help advise these c
09:47 Popular
Tides: Crash Course Astronomy #8

1,088 views / 1 likes - added 9 years ago

Today Phil explores the world of tides! What is the relationship between tides and gravity? How do planets and their moons become tidally locked? What would happen if you were 300km tall? Important questions. -- Gravity Over Distance 0:44 Tidal Force Para
10:08 Popular
Central Nervous System: Crash Course A&P #11

1,191 views / 1 likes - added 9 years ago

Today Hank talks about your central nervous system. In this episode we'll explore how your brain develops and how important location is for each of your brain's many functions. Table of Contents Central Nervous System, Location and Brain Function 1:48 Bra
10:02 Popular
Peripheral Nervous System: Crash Course A&P #12

1,531 views / 2 likes - added 9 years ago

It is now time to meet the system that helps your crazy brain stay in touch with the outside world. We follow up last week's tour of the central nervous system with a look at your peripheral nervous system, its afferent and efferent divisions, how it proc
08:49 Popular
Autonomic Nervous System: Crash Course A&P #13

1,515 views / 1 likes - added 9 years ago

Hank takes you on a tour of your two-part autonomic nervous system. This episode explains how your sympathetic nervous system and parasympathetic nervous system work together as foils, balancing each other out. Their key anatomical differences - where ner
12:55 Popular
Asian Responses to Imperialism: Crash Course World History #213

803 views / 0 likes - added 9 years ago

In which John Green teaches you about Imperialism, but not from the perspective of the colonizers. This week John looks at some Asian perspectives on Imperialism, specifically writers from countries that were colonized by European powers. We'll look at th
11:18 Popular
The Vikings! - Crash Course World History 224

1,304 views / 5 likes - added 9 years ago

In which John Green teaches you about Vikings! That's right, one of our most requested subjects, the Vikings, right here on Crash Course. So what's the deal with Vikings? Well, the stuff you've heard about them may not be true. The Vikings weren't just pa
10:24 Popular
Homunculus - Crash Course Psychology #6

715 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.
10:42 Popular
Cognition: How Your Mind Can Amaze and Betray You - Crash Course Psychology #15

906 views / 1 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.
10:20 Popular
Emotion, Stress and Health: Crash Course Psychology #26

968 views / 1 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.
10:00
Depressive and Bipolar Disorders: Crash Course Psychology #30

687 views / 2 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.
10:48 Popular
Social Thinking: Crash Course Psychology #37

709 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.
11:17 Popular
Acid-Base Reactions in Solution: Crash Course Chemistry #8

1,416 views / 0 likes - added 9 years ago

Last week, Hank talked about how stuff mixes together in solutions. Today, and for the next few weeks, he will talk about the actual reactions happening in those solutions - atoms reorganizing themselves to create whole new substances in the processes tha
10:43
How To Speak Chemistrian: Crash Course Chemistry #11

647 views / 0 likes - added 9 years ago

Learning to talk about chemistry can be like learning a foreign language, but Hank is here to help with some straightforward and simple rules to help you learn to speak Chemistrian like a native. Table of Contents Determining Formulas and Names of Monatom
09:03 Popular
The Ideal Gas Law: Crash Course Chemistry #12

1,157 views / 0 likes - added 9 years ago

Gases are everywhere, and this is good news and bad news for chemists. The good news: when they are behaving themselves, it's extremely easy to describe their behavior theoretically, experimentally and mathematically. The bad news is they almost never beh
11:45 Popular
Ideal Gas Problems: Crash Course Chemistry #13

924 views / 0 likes - added 9 years ago

We don't live in a perfect world, and neither do gases - it would be great if their particles always fulfilled the assumptions of the ideal gas law, and we could use PV=nRT to get the right answer every time. Unfortunately, the ideal gas law (like our cul
11:24 Popular
Enthalpy: Crash Course Chemistry #18

1,129 views / 0 likes - added 9 years ago

Energy is like the bestest best friend ever and yet, most of the time we take it for granted. Hank feels bad for our friend and wants us to learn more about it so that we can understand what it's trying to tell us - like that any bond between two atoms co
09:46 Popular
Atomic Hook-Ups - Types of Chemical Bonds: Crash Course Chemistry #22

949 views / 0 likes - added 9 years ago

Atoms are a lot like us - we call their relationships "bonds," and there are many different types. Each kind of atomic relationship requires a different type of energy, but they all do best when they settle into the lowest stress situation possible. The n
11:04 Popular
Liquids: Crash Course Chemistry #26

746 views / 1 likes - added 9 years ago

In this episode of Crash Course Chemistry, Hank gives you the low down on things like London Dispersion Forces, Hydrogen Bonds, Cohesion, Adhesion, Viscosity, Capillary Action, Surface Tension, and why liquids are just... WEIRD! -- TABLE OF CONTENTS Londo
11:41 Popular
Buffers, the Acid Rain Slayer: Crash Course Chemistry #31

1,017 views / 2 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.
11:18 Popular
Nuclear Chemistry Part 2: Fusion and Fission - Crash Course Chemistry #39

1,728 views / 1 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.
09:36 Popular
Alkenes&Alkynes - Crash Course Chemistry #41

1,087 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.
09:50 Popular
Aromatics and Cyclic Compounds - Crash Course Chemistry #42

1,784 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.
11:20 Popular
The Black Legend, Native Americans, and Spaniards: Crash Course US History #1

922 views / 1 likes - added 9 years ago

In which John Green kicks off Crash Course US History! Why, you may ask, are we covering US History, and not more World History, or the history of some other country, or the very specific history of your home region? Well, the reasons are many. But, like
12:26 Popular
When is Thanksgiving? Colonizing America: Crash Course US History #2

884 views / 1 likes - added 9 years ago

In which John Green teaches you about the (English) colonies in what is now the United States. He covers the first permanent English colony at Jamestown, Virginia, the various theocracies in Massachusetts, the feudal kingdom in Maryland, and even a bit ab
11:38
The Quakers, the Dutch, and the Ladies: Crash Course US History #4

655 views / 2 likes - added 9 years ago

In which John Green teaches you about some of the colonies that were not in Virginia or Massachussetts. Old New York was once New Amsterdam. Why they changed it, I can say; ENGLISH people just liked it better that way, and when the English took New Amster
13:04 Popular
The Constitution, the Articles, and Federalism: Crash Course US History #8

1,073 views / 3 likes - added 9 years ago

In which John Green teaches you about the United States Constitution. During and after the American Revolutionary War, the government of the new country operated under the Articles of Confederation. While these Articles got the young nation through its wa
13:57 Popular
Where US Politics Came From: Crash Course US History #9

756 views / 0 likes - added 9 years ago

In which John Green teaches you where American politicians come from. In the beginning, soon after the US constitution was adopted, politics were pretty non-existent. George Washington was elected president with no opposition, everything was new and excit
Featured
14:47 Popular
19th Century Reforms: Crash Course US History #15

942 views / 1 likes - added 9 years ago

In which John Green teaches you about various reform movements in the 19th century United States. From Utopian societies to the Second Great Awakening to the Abolition movement, American society was undergoing great changes in the first half of the 19th c
13:11 Popular
Women in the 19th Century: Crash Course US History #16

1,154 views / 1 likes - added 9 years ago

In which John Green finally gets around to talking about some women's history. In the 19th Century, the United States was changing rapidly, as we noted in the recent Market Revolution and Reform Movements episodes. Things were also in a state of flux for
12:45 Popular
Growth, Cities, and Immigration: Crash Course US History #25

1,249 views / 2 likes - added 9 years ago

In which John Green teaches you about the massive immigration to the United States during the late 19th and early 20th century. Immigrants flocked to the US from all over the world in this time period. Millions of Europeans moved to the US where they drov
13:51 Popular
Gilded Age Politics:Crash Course US History #26

793 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 keep the channel producing great conten
15:07 Popular
Progressive Presidents: Crash Course US History #29

729 views / 1 likes - added 9 years ago

In which John Green teaches you about the Progressive Presidents, who are not a super-group of former presidents who create complicated, symphonic, rock soundscapes that transport you into a fantasy fugue state. Although that would be awesome. The preside
13:31 Popular
Women's Suffrage: Crash Course US History #31

747 views / 2 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. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th
14:23 Popular
World War II Part 2 - The Homefront: Crash Course US History #36

1,447 views / 3 likes - added 9 years ago

Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything
13:42 Popular
The Cold War in Asia: Crash Course US History #38

953 views / 1 likes - added 9 years ago

Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything
11:58 Popular
Civil Rights and the 1950s: Crash Course US History #39

1,176 views / 5 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. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th
12:07 Popular
A Long and Difficult Journey, or The Odyssey: Crash Course Literature 201

749 views / 1 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. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th
11:45 Popular
In Da Club - Membranes&Transport: Crash Course Biology #5

730 views / 0 likes - added 9 years ago

Hank describes how cells regulate their contents and communicate with one another via mechanisms within the cell membrane. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/CrashCourse-Biology-The-Complete-Series-DVD-Set Like Cras
10:28 Popular
Plant Cells: Crash Course Biology #6

1,486 views / 1 likes - added 9 years ago

Hank describes why plants are so freaking amazing - discussing their evolution, and how their cells are both similar to&different from animal cells. Crash Course Biology now available on DVD! http://dftba.com/product/1av/CrashCourse-Biology-The-Complete-S
13:26 Popular
ATP&Respiration: Crash Course Biology #7

841 views / 0 likes - added 9 years ago

In which Hank does some push ups for science and describes the "economy" of cellular respiration and the various processes whereby our bodies create energy in the form of ATP. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/Cras
14:08 Popular
DNA, Hot Pockets,&The Longest Word Ever: Crash Course Biology #11

1,123 views / 0 likes - added 9 years ago

Hank imagines himself breaking into the Hot Pockets factory to steal their secret recipes and instruction manuals in order to help us understand how the processes known as DNA transcription and translation allow our cells to build proteins. Crash Course B
10:57 Popular
Evolutionary Development: Chicken Teeth - Crash Course Biology #17

1,067 views / 0 likes - added 9 years ago

Hank introduces us to the relatively new field of evolutionary developmental biology, which compares the developmental processes of different organisms to determine their ancestral relationship, and to discover how those processes evolved. Also fruit flie
Featured
09:42 Popular
The Lives of Nonvascular Plants: Alternation of Generations - Crash Course Biology #36

1,387 views / 0 likes - added 9 years ago

Hank introduces us to nonvascular plants - liverworts, hornworts&mosses - which have bizarre features, kooky habits, and strange sex lives. Nonvascular plants inherited their reproductive cycle from algae, but have perfected it to the point where it i
11:54 Popular
Vascular Plants = Winning! - Crash Course Biology #37

1,089 views / 0 likes - added 9 years ago

Hank introduces us to one of the most diverse and important families in the tree of life - the vascular plants. These plants have found tremendous success and the their secret is also their defining trait: conductive tissues that can take food and water f
11:32 Popular
Wait For It...The Mongols!: Crash Course World History #17

975 views / 2 likes - added 9 years ago

Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything
10:46 Popular
The Spanish Empire, Silver,&Runaway Inflation: Crash Course World History #25

800 views / 0 likes - added 9 years ago

In which John Green explores how Spain went from being a middling European power to one of the most powerful empires on Earth, thanks to their plunder of the New World in the 16th and 17th centuries. Learn how Spain managed to destroy the two biggest pre-
12:11 Popular
Communists, Nationalists, and China's Revolutions: Crash Course World History #37

843 views / 3 likes - added 9 years ago

Don't forget! Crash Course posters and t-shirts at http://www.dftba.com/crashcourse In which John Green teaches you about China's Revolutions. While the rest of the world was off having a couple of World Wars, China was busily uprooting the dynastic syste
11:51 Popular
Globalization I - The Upside: Crash Course World History #41

784 views / 0 likes - added 9 years ago

In which John Green teaches you about globalization, a subject so epic, so, um, global, it requires two videos. In this video, John follows the surprisingly complex path of t-shirt as it criss-crosses the world before coming to rest on your doorstep, and
06:17 Popular
Sesame Street: Super Grover Paints a Still Life

776 views / 1 likes - added 9 years ago

In an artist studio in France, a Parisian pineapple is about to paint, but encounters a perplexing problem. The poor pineapple cannot properly place her produce friends on a pedestal for their portrait. Super Grover 2.0 unleashes his powers of observation
06:19 Popular
Sesame Street: Super Grover Balances Some Chicken Cheerleaders

876 views / 1 likes - added 9 years ago

Give a cheer, give a cheer, give a most substantial cheer! Uh oh! The chicken and elephant cheer squad are having trouble balancing. How can Super Grover help the enthusiastic pom pom squad get their balancing act together? Subscribe to the Sesame Street
03:17 Popular
Sesame Street: Bert and Ernie Talk to Shala about Emotions

777 views / 1 likes - added 9 years ago

What do you think about when you're happy? What do you look like when you're sad? Watch Shala, Bert, and Ernie take turns demonstrating their different emotions. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_u
01:46 Popular
Sesame Street: Yip Yips Sing Their Martian Family Song

2,642 views / 0 likes - added 9 years ago

Yip yip yip yip yip yip yip, ah hah! Yip yip, you. Yip yip, me. Yip yip, baby. Yip yip, family. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet You can catch Sesame Street in the morning and th
01:44
Sesame Street: Blue Jay Song

687 views / 0 likes - added 9 years ago

One fine evening, a blue jay had a party. The nest was full and everyone had a good time. When the party came to an end, the robin flew away, and the pigeon hailed a cab, and all the other birdies found their way home until the nest was finally empty. Emp
03:08 Popular
Sesame Street: Five Words to Say More Often with Grover and Kid President

727 views / 0 likes - added 9 years ago

Kid President and Grover are here to give you Five Words You Should Say More Often! Isn't that so generous? They are selflessly giving you these five words. Whats that? You want to pay it forward? Awesome! Well, get involved in Socktober. It's as easy as
04:06 Popular
Sesame Street: Socktober Telethon with Grover and Kid President!

809 views / 2 likes - added 9 years ago

Grover and Kid President are teaming up for Sock-cess! To help their friends in need, Grover and Kid President are hosting a Telethon to collect socks for the homeless to keep their feet warm in the winter. You can help too! Helping is as easy as bringing
06:17 Popular
Sesame Street: Super Grover at The Penguin Party

928 views / 1 likes - added 9 years ago

It's dance time for these four penguins. But there's an icy obstacle in the way of their dance floor. Luckily Super Grover 2.0 shows up to unleash his powers of technology to move the iceberg so that the dancing festivities can continue. Subscribe to the
00:42 Popular
Sesame Street:“Elmo Super Numbers” Preview

728 views / 0 likes - added 9 years ago

Join Elmo at Numeric Con, the biggest number lovers’ convention of the year! Elmo is dressed as "The Dark NINE" and Leela is "Princess THREEah." Their foolproof plan to meet their favorite number heroes, including "Doctor TWO," "In-THREE-Ana Jones," and "
00:38
Sesame Street:“M is for Mystery” Preview

626 views / 0 likes - added 9 years ago

There are mysteries afoot on Sesame Street! Grab your detective hat and join your furry friends to solve these whodunits! When items beginning with the letter“R” start vanishing, Detective Alfie Betts is on the case with a little help from Elmo and Abby!
03:04 Popular
Sesame Street: Elmo and Taye Diggs Go for a Drive

771 views / 1 likes - added 9 years ago

Taye Diggs wants to go for a drive with Elmo, but Taye didn't bring his car. So instead, Elmo and Taye use their imaginations as they take a drive in an automobile. Maybe they will use their imaginary car to pick up some milkshakes too. Subscribe to the S
01:03
Sesame Street: Let's Make a Triangle (Pilobolus Dance Company)

571 views / 0 likes - added 9 years ago

The unique and flexible Pilobolus dancers are at it again! They're going to make a triangle with their bodies! How cool is that? What's a traingle you ask? It's a super cool shape with one, two, three sides and one, two, three angles! It's also Telly's fa
01:03
Sesame Street: One Direction and Bert Sing the Alphabet

690 views / 1 likes - added 9 years ago

Liam and Harry from One Direction are pretty sure they know their ABCs, but they wanted to run through them one more time for good measure. Bert was there to help. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add
00:38
Sesame Street: "Monster Manners" Preview

664 views / 0 likes - added 9 years ago

Help your little monsters learn to mind their manners! Guest stars include David Hyde Pierce, Cobie Smulders, Henry Cavill, Zach Efron, Colbie Caillat, Common, and Mark Ruffalo. Click this link for the "Monster Manners" DVD! http://www.amazon.com/Sesame-S
06:13 Popular
Sesame Street: Grover Helps Piggies Up Creek (Super Grover 2.0)

1,452 views / 0 likes - added 9 years ago

Somewhere on a raft in a Mississippi Bayou, two little piggies were stranded up a creek. Here's the thing: they had gone to market and were all excited to go wee wee wee all the way home, when all of the sudden the wind at their sails stopped. Lucky or un
14:17 Popular
Sesame Street: Elmo's World: Play Ball!

1,868 views / 2 likes - added 9 years ago

La la la la, la la la la, that's right, it's Elmo's World! Soccer, Basketball, Baseball, Golf, Tennis, all these games come with their own special ball. Today on Elmo's World, Elmo is going to talk about every ball you can imagine. Subscribe to the Sesame
01:15 Popular
Sesame Street: Number 5 Safari (The Adventures of Salty&Pierre)

723 views / 0 likes - added 9 years ago

It's time for another number Safari with Salty and Pierre. It is said that somewhere in their backyard lurks the number five. While it's location is a mystery, the number five is probably somewhere after the number 4 and before the number 6. Watch and fin
03:20 Popular
Sesame Street: Pentatonix Counts (&Sings) to Five

1,918 views / 2 likes - added 9 years ago

Nobody has ever counted to five as beautifully and harmoniously as Pentatonix has. Make sure to check out their backstage mashup of "C is for Cookie" and "Rubber Duckie:" http://goo.gl/f1p2f9 Tune in to see Pentatonix on Sesame Street February 7th on PBS
02:17
Sesame Street: Twiddlebugs Outing

591 views / 0 likes - added 9 years ago

The Twiddlebugs are off to celebrate a surprise birthday party, but first they have to find a replacement for a cracked tire. What shape should a tire be? A square, a triangle or a circle? Help the Twiddlebugs get to their party! Subscribe to the Sesame S
02:48
Sesame Street: Sarah Michelle Gellar is Disappointed

494 views / 0 likes - added 9 years ago

Elmo and Sarah Michelle Gellar are kind of disappointed. They were so excited to explain the meaning of the word, disappointed, but it didn't work out as they planned. They had their hopes up for a big sign and some cheerleaders and now that they didn't g
01:16 Popular
Sesame Street: The Flower Song

909 views / 0 likes - added 9 years ago

Oh hi! You're just in time because today is the Sesame Street Flower Show! Flowers of all shapes and sizes with exotic names and beautiful colors are all on display outside of Hooper's store. Everyone will go crazy over Elmo's Daisy and everyone willl use
02:26 Popular
Sesame Street: Elmo and Dwight Howard make a Strategy

744 views / 0 likes - added 9 years ago

A strategy is a plan to help solve a problem. Dwight Howard and Elmo were just discussing hypothetical strategies when all of a sudden Mr. Tiger showed up and started chewing on their basketball. Naturally, they came up with a strategy to get it back. Fin
01:04 Popular
Sesame Street: "Fairy Tale Fun!" Preview

718 views / 0 likes - added 9 years ago

Fairy tales and nursery rhymes come to life on Sesame Street! Mother Goose has rhymer's block—can Elmo come to the rescue to undo this snafu? Is Oscar really the Prince of Nice in disguise? How will Hansel and Gretel replace their too-tempting-to-last coo
01:24
Sesame Street: Elmo and J.R. Martinez Talk about their Feelings

534 views / 0 likes - added 9 years ago

Sometimes we feel a lot of different feelings. We can feel sad or afraid or angry or all of these feelings at once. Do you know what helps when you are feeling these feelings? Talking about it with your friends and family. Listen to J.R. Martinez tell Elm
01:42
Sesame Street: Elmo and Jesse Williams explain Furious

591 views / 0 likes - added 9 years ago

Have you ever been furious? It means to be really really angry. Jesse Williams and Elmo call on their pal Felix the Fly to explain why he's so furious. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=Sesame
00:53 Popular
Sesame Street: "Being Brave" Preview

718 views / 0 likes - added 9 years ago

Uh-oh! There's a monster at the end of this DVD! Are you brave enough to watch? Help you child learn to overcome their fears with Sesame Street's special brand of honesty and humor. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subsc
04:00
Sesame Street: Dave Matthews and Grover Sing about Feelings

626 views / 0 likes - added 9 years ago

Dave Matthews is feeling a feeling that is not a very good feeling. Grover is feeling a feeling that is not a very good feeling as well. What feeling is that? Dave and Grover sing a song to figure out their feelings: "I need a word" Subscribe to the Sesam
05:25
Sesame Street: Sons of Poetry (Sons of Anarchy Parody)

533 views / 0 likes - added 9 years ago

Roses are red, violets are blue, sugar is sweet and I love... What rhymes with blue? Sons of Poetry put their helmets together to find the perfect rhyme for this romantic and elegant poem! Subscribe to the Sesame Street Channel here: http://www.youtube.co
03:05
Sesame Street: The Importance of Early Childhood Education

524 views / 0 likes - added 9 years ago

Young children are sponges for learning. From birth to age five, they're making giant developmental strides, more than at any other time in life. In this critical window, education is the key to unlocking their potential. Our goal is to surround kids with
03:41 Popular
Sesame Street: People in Your Neighborhood -- Opera Singer

742 views / 0 likes - added 9 years ago

Murray Monster and Ovejita travel to Lincoln Center to join Metropolitan Opera mezzo-soprano Isabel Leonard. While dancers tell stories with their bodies, Isabel will show how stories are sung by opera singers and give a demonstration of a funny vocal exe
03:09 Popular
Sesame Street: People in Your Neighborhood -- Ballet Dancer

774 views / 0 likes - added 9 years ago

Murray Monster and Ovejita travel to Lincoln Center to join four New York City Ballet dancers in the studio to learn about ballerinas. Dancers Kristen Segin, Alina Dronova, Callie Bachman, and Sara Adams explain how dancers use their bodies to tell a stor
01:18 Popular
Sesame Street: "Look and Find Elmo on Sesame Street" App Preview

1,191 views / 0 likes - added 9 years ago

"Look and Find® Elmo on Sesame Street is a new educational app from the creators of Potty Time with Elmo. In this app, everyone's favorite furry red monster needs help finding things that go HONK! and BOING! and CLANK! With Elmo as their guide, preschoole
26:26 Popular
Face of America: The Ellis Island Immigration Museum

886 views / 2 likes - added 9 years ago

More than 100 million Americans can trace their ancestry to New York's Ellis Island. Hear some of their fascinating stories about their voyage to America in this Great Museums TV special produced for Public Television. For more information, visit http://g
03:10 Popular
New Orleans: A Living Museum of Music - A Webisode

781 views / 1 likes - added 9 years ago

From the Lower Ninth Ward to Congo Square, New Orleans has long been the hub of the ultimate music experience and a living museum of music. But beneath the pomp and circumstance of Mardi Gras and Jazz Fest lies an invaluable community of local musicians i
01:31
Noah Doesn't Like L.A. Pizza

677 views / 0 likes - added 9 years ago

Hey, everyone's allowed their opinion, even the adorably precocious Noah Ritter.
02:49 Popular
Mind-Blowing Audience Tricks!

933 views / 0 likes - added 9 years ago

Ellen has featured all sorts of audience talents on the show. These two showed off their impressive tricks that left everyone astounded!
02:08 Popular
"Snowman" Clip - The Story of Frozen: Making a Disney Animated Classic

1,844 views / 3 likes - added 9 years ago

Did you know "Do You Want to Build a Snowman?" almost did not make the final cut? Learn more this Tuesday at 8pm on ABC in The Story of Frozen: Making a Disney Animated Classic.Viewers will get a rare look inside Walt Disney Animation Studios and unpreced
14:35
That's Christmas to Me - Release Day Hangout

401 views / 0 likes - added 9 years ago

Join Pentatonix to discuss the release of their Christmas album. Ask questions at #AskPTX.
03:49 Popular
Pusher Love Girl - Pentatonix (Justin Timberlake Cover)

1,002 views / 1 likes - added 9 years ago

ORDER PTXMAS DELUXE EDITION - http://smarturl.it/PTXmas?IQid=yt ORDER PTX VOL. 2 - http://smarturl.it/PTXVolume2?IQid=yt ORDER PTX VOL. 1 - http://smarturl.it/PTXVol1?IQid=yt http://www.ptxofficial.com http://www.twitter.com/ptxofficial @ptxofficial http:
01:26
Oreo's "Wonderfilled" Song - Pentatonix

642 views / 0 likes - added 9 years ago

We were so excited when Oreo asked us to participate in their "Wonderfilled' Campaign! We roamed the streets of NYC singing our arrangement of this happy jingle, and we wanted to share this video with you before our next video drops on Monday! Enjoy :) To
03:15 Popular
[Official Video] Aha! - Pentatonix (Imogen Heap Cover)

1,018 views / 2 likes - added 9 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
07:08
PTX - An Introduction

509 views / 1 likes - added 9 years ago

ORDER PTXMAS DELUXE EDITION - http://smarturl.it/PTXmas?IQid=yt ORDER PTX VOL. 2 - http://smarturl.it/PTXVolume2?IQid=yt ORDER PTX VOL. 1 - http://smarturl.it/PTXVol1?IQid=yt http://www.ptxofficial.com http://www.twitter.com/ptxofficial @ptxofficial http:
08:06
FROZEN MEDLEY (feat. Kirstie Maldonado)

689 views / 3 likes - added 9 years ago

OUR COLLAB WITH THE BEAUTIFUL AND AMAZINGLY TALENTED KIRSTIE MALDONADO :) Follow her!@kirstin_taylorhttps://twitter.com/kirstin_taylorAND US!@scotthoying@mitchgrassiHUGE THANKS to @endlessnoise for recording this and letting us use their studio! Love u @m
43:48 Popular
Amazing Dinosaurs for KIDS

1,148 views / 5 likes - added 9 years ago

See CUTE dinosaur babies born and watch take their first clumsy steps. Little tiny Brontosaurus babies run around their family herd triceratops teens play in a field. See FUNNY dinosaur falls and GROSS dinosaur sneezes. Watch a prehistoric squirrel outsma
02:08 Popular
Completed Dinosaur Fossils Revealed

1,018 views / 3 likes - added 9 years ago

All we have left of dinosaurs are their bones, but with much study, they have revealed a lot about their lives during prehistoric times. From Tyrannosaurus Rex fossils to Velociraptor fossils and many more, see how these remnants of the past have revealed
Featured
02:14 Popular
SO CUTE: Sleeping Dinosaurs!!

939 views / 1 likes - added 9 years ago

Even dinosaurs need to take a break sometimes. This time, we watch dinosaurs taking it easy, resting and relaxing in their prehistoric environment. Maybe they aren't fuzzy, but these are the cutest dinosaurs EVER! Watch the whole playlist of dinosaur vide
Featured
02:02 Popular
DANGER: Attack of the Nighttime Dinosaur!

832 views / 3 likes - added 9 years ago

Not all dinosaurs sleep at night: danger still lurks everywhere, so dinos can never let their guard down! Amazing CG footage of dinosaurs hunting at night! Watch the whole playlist of dinosaur videos here: http://www.youtube.com/watch?v=sW4p6vzviKQ&list=P
02:31 Popular
MEGA-HUGE: The Biggest Dinosaurs Ever!

1,361 views / 3 likes - added 9 years ago

Super-huge dinosaurs like the Brontosaurus and Brachiosaurus roamed the earth in search of food and traveled in herds to protect their young. Though large in stature, most big dinosaurs that once roamed the Earth were herbivores. Watch the whole playlist
Featured
02:15
Small Dinosaurs Get Their Revenge

657 views / 0 likes - added 9 years ago

This dinosaur has a long memory and though he's smaller, he still seeks his revenge. Watch the whole playlist of dinosaur videos here: http://www.youtube.com/watch?v=sW4p6vzviKQ&list=PLfpPYJH6OjtZGZH1hlR40wD4rnq14p41x&index=1 Subscribe For More Dinosaur V
02:05 Popular
Crazy Dinosaur Mating Dance

880 views / 0 likes - added 9 years ago

Things get sexy on this edition of Discovery Dinosaurs. It's mating season, and some male dinosaurs create exotic dance displays to get the attention of their potential mates. Watch the whole playlist of dinosaur videos here: http://www.youtube.com/watch?
01:59
Mammoths Hunted for their Hides

623 views / 2 likes - added 9 years ago

Mammoths lived and migrated in herds. They raised their young in groups and were hunted my nomadic tribes for their hides and meat. Watch the whole playlist of dinosaur videos here: http://www.youtube.com/watch?v=sW4p6vzviKQ&list=PLfpPYJH6OjtZGZH1hlR40wD4
02:30 Popular
SUPER-CUTE VIDEO OF DINOSAUR BABIES!!!

879 views / 2 likes - added 9 years ago

Baby animals are cute, even T-Rex babies. See a baby Brontosaurus in the egg before it hatches and a baby Tyrannosaurus in its parents mouth. There are more dinosaur babies interacting with their mothers, the world around them, and just plain having fun.
Featured
02:31
Dinosaur Hordes On The Move

667 views / 0 likes - added 9 years ago

Get a glimpse of the different dinosaur herds roaming the land. Large brontosaurs move with their babies. Families of pterodans and pterodactyls fly across the sky. Apatosaurus and Shantungosaurus herds move across the earth. Watch the whole playlist of d
03:50 Popular
Inside New York City's Most Secret Basement | World's Strangest

771 views / 0 likes - added 9 years ago

Do you know what lies deep below New York's Grand Central Terminal? Almost no one who passes through every day has any idea what is underneath their feet. | For more World's Strangest, visit http://www.sciencechannel.com/tv-shows/worlds-strangest/#mkcpgn=
02:27
Do Transplanted Organs Carry Memories?

622 views / 0 likes - added 9 years ago

Hundreds of organ recipients have reported unique experiences after their transplant. | For more, visit http://science.discovery.com/tv-shows/the-unexplained-files/#mkcpgn=ytsci1 Subscribe to Science Channel! | http://www.youtube.com/subscription_center?a
04:28 Popular
How Do Dogs Smell

1,407 views / 5 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-do-dogs-see-with-their-noses-alexandra-horowitz You may have heard the expression that dogs 'see with their noses.' But these creature's...
10:44
Sympathetic Nervous System: Crash Course A&P #14

689 views / 0 likes - added 9 years ago

Hank tries not to stress you out too much as he delves into the functions and terminology of your sympathetic nervous system. -- Table of Contents Sympathetic Nervous System Controls the Body's Stress Response 0:26 How Signals Travel to Effectors 1:48 Ace
15:33 Popular
Democracy, Authoritarian Capitalism, and China: Crash Course World History 230

887 views / 1 likes - added 9 years ago

In which John Green teaches you about the end of World History, and the end of the world as we know it, kind of. For the last hundred years or so, it seemed that one important ingredient for running an economically successful country was a western-style d
05:51 Popular
How A 14-Year-Old Used His Jump Shot To Support The Troops

728 views / 0 likes - added 9 years ago

With Operation Hawkeye, 14-year-old Will Thomas is using his jump shot to help honor fallen Special Operations heroes and their loved ones.
02:06 Popular
NBA Superstars Answer: Who Would You Rather Have On Your Team: Ironman, Spiderman Or Batman?

851 views / 0 likes - added 9 years ago

Kid Reporter Logan Schayes talked to some of the NBA's biggest stars--from LeBron James, to Chris Paul, to Kevin Garnett to Blake Griffin--and asked them which superhero would they rather have on their team: Ironman, Spiderman or Batman?
07:05
The Recipe For Life…

607 views / 0 likes - added 9 years ago

We're cookin' in the primordial kitchen! Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart↓ More info and sources below ↓ If the human body could be distilled down into one molecule, what would our chemical formula be? And WHY is it that way? Is
Featured
06:35 Popular
Attack Of The Zombie Parasites!

827 views / 3 likes - added 9 years ago

Did someone say BRAAAAAINS…? Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ Shows like The Walking Dead are full of hungry, mindless, surprisingly fleet-footed armies of brain-eating zombies. Could they actually
07:23 Popular
Why Vaccines Work

910 views / 1 likes - added 9 years ago

A dose of reality about vaccines… Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ As more and more parents are choosing not to vaccinate their children or are vaccinating them later, diseases like measles are mak
04:46 Popular
How Many Heartbeats Do We Get?

1,407 views / 0 likes - added 9 years ago

Science really gets my heart going… Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/okaytobesmart http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart
Featured
04:05
What Is Déjà Vu?!

537 views / 0 likes - added 9 years ago

I feel like I’ve seen this video before… Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/okaytobesmart http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobe
05:13 Popular
5 Weird Involuntary Behaviors Explained!

763 views / 0 likes - added 9 years ago

Yawns, hiccups, twitchy eyes (and more) explained! Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on In
05:02 Popular
There's No Such Thing As Cold

747 views / 1 likes - added 9 years ago

If cold isn’t real, then how can I feel it? Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram
Featured
04:34 Popular
How Many Smells Can You Smell?

811 views / 0 likes - added 9 years ago

How do we smell? Great! Thanks for asking! Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram:
06:34 Popular
Does My Dog Know What I'm Thinking?

860 views / 0 likes - added 9 years ago

Head to BrainCraft for more doggy science! http://youtu.be/OBy3idLwwYM Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesm
07:34 Popular
Why People Don't Believe In Climate Science

794 views / 0 likes - added 9 years ago

Watch Part 1:“The Facts” http://youtu.be/ffjIyms1BX4 Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on
06:20
Climate Science: What You Need To Know

647 views / 1 likes - added 9 years ago

Learn the basic science of climate change in 24 easy steps Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Foll
04:32 Popular
Where Do Birds Go In Winter?

896 views / 1 likes - added 9 years ago

And where do they keep their suitcases? Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram: ht
Featured
09:12 Popular
The Sixth Extinction

803 views / 2 likes - added 9 years ago

This time, we’re the asteroid. Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram: http://inst
Featured
05:31
Why Are Some People Left-Handed?

680 views / 0 likes - added 9 years ago

The science of their sinister ways… Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram: http:/
Featured
03:42
How To See Time Travel!!!

580 views / 1 likes - added 9 years ago

Behold the COSMOTRON 5000!!! Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram: http://instag
04:52 Popular
Why Does The Earth Have Layers?

1,256 views / 3 likes - added 9 years ago

…or why we live on an onion made of magma. Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram:
06:29 Popular
Why Do Clouds Stay Up?

975 views / 2 likes - added 9 years ago

There’s nothing wrong with having your head in the clouds. Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Foll
Featured
03:59 Popular
A Slice Of Pizza Science!

1,165 views / 1 likes - added 9 years ago

How does math keep a folded slice from drooping? And what does pizza have to do with the speed of light?↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com How a 19th Century
Featured
05:21 Popular
Bats: Guardians Of The Night

956 views / 9 likes - added 9 years ago

To see all the great bat action, please watch in HD!! Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Visit Bat
06:03
The Physics Of Space Battles

672 views / 0 likes - added 9 years ago

How scientifically accurate is your favorite sci-fi space battle? Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.c
Featured
05:45 Popular
What's The Deadliest Animal In The World?

841 views / 2 likes - added 9 years ago

Besides humans, of course. Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Gates Foundation info on the world’s
03:11 Popular
Where Does The Smell Of Rain Come From?

893 views / 0 likes - added 9 years ago

I smell a science storm a-comin'!! Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com References: “Nature of Argil
Featured
10:17 Popular
Parasympathetic Nervous System: Crash Course A&P #15

1,121 views / 1 likes - added 9 years ago

This week we are looking at your parasympathetic division, which is the "resting and digesting" unit. Unfortunately, learning about this de-stressing division also involves a whole lot of memorization. Don't worry, though - we've got some mnemonic devices
02:38 Popular
Fantastic Four Official Trailer #1 (2015) - Miles Teller, Michael B. Jordan Movie HD

1,299 views / 0 likes - added 9 years ago

Subscribe to TRAILERS: http://bit.ly/sxaw6h Subscribe to COMING SOON: http://bit.ly/H2vZUn Like us on FACEBOOK: http://goo.gl/dHs73 Follow us on TWITTER: http://bit.ly/1ghOWmt Fantastic Four Official Trailer #1 (2015) - Miles Teller, Michael B. Jordan Mov
06:10 Popular
The Oldest Living Things In The World

724 views / 0 likes - added 9 years ago

Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow
02:02 Popular
The Sun Is A Magnet!

737 views / 0 likes - added 9 years ago

Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- Sunspots, solar flares, coronal mass ejections, OH MY! Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub↓ More info and sources below ↓ F
04:46
How Your Body Knows Left From Right

648 views / 0 likes - added 9 years ago

Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- Why are our bodies so symmetrical, but our guts aren't?↓ More info and sources below ↓ Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub
04:14 Popular
You Are An Upside-Down Lobster

771 views / 1 likes - added 9 years ago

Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- Here's why you aren't built like a lobster. Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub↓ More info and sources below ↓ Follow on Tw
04:25 Popular
Why Your Brain Is In Your Head

786 views / 0 likes - added 9 years ago

Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- Check out BrainCraft: http://youtu.be/aucscX191vQ Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub↓ More info and sources below ↓ Follow
05:54
The Delicious Science Of CHEESE!

557 views / 0 likes - added 9 years ago

Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- There's science in cheese? You'd cheddar believe it. Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub Follow on Twitter: http://twitter.
03:47 Popular
Meet The Puzzlebox Orbit: A Drone Controlled By Brain Waves

760 views / 0 likes - added 9 years ago

The inventors of the Puzzlebox orbit believe they are on the cutting edge of biosensor technology. But can their brain-computer interface actually control this flying toy? | For more, visit http://www.sciencechannel.com/tv-shows/all-american-makers/#mkcpg
10:10 Popular
Introduction To Intellectual Property: Crash Course IP 1

819 views / 0 likes - added 9 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
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
12:18
Copyright Basics: Crash Course Intellectual Property 2

693 views / 0 likes - added 9 years ago

EPISODE DESCRIPTION This week, Stan Muller teaches you the basics of copyright in the United States. Copyright law is territorial, so we're going to cover the system we know the most about, and that's the US. Stan will talk about what kind of ideas can be
03:11 Popular
How Do Airplanes Fly?

969 views / 0 likes - added 9 years ago

How Airplanes Are Made: https://www.youtube.com/watch?v=7rMgpExA4kM Thanks to Airbus for supporting this video http://www.a350xwb.com MinutePhysics is on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minute
Featured
03:25
Why Is It Harder To Drive Backwards?

507 views / 0 likes - added 9 years ago

Thanks to http://www.littlebits.com for supporting this episode of MinutePhysics – you can get $20 off an order of over $80 by using promo code MinutePhysics. And thanks to Shutterstock.com for providing us with access to their stock footage. MinutePhysic
05:14 Popular
How Airplanes Are Made

1,553 views / 1 likes - added 9 years ago

Behind-the-Scenes of an Airbus A350 being built! Thanks to the folks at Airbus for bringing me to France, Germany, & the UK to visit their headquarters and facilities and see so much incredible engineering. As you can probably tell from this video, I was
Featured
02:35
Is The Universe Entirely Mathematical? Feat. Max Tegmark

599 views / 0 likes - added 9 years ago

Thanks to Max Tegmark for writing & narrating this video, you can listen to his new book at http://www.audible.com/minutephysics OR find it on Amazon http://www.amazon.co.uk/Our-Mathematical-Universe-Ultimate-Reality/dp/1846144760 Thanks to Radiolab for l
02:30
A Polarizing Discovery About The Big Bang!

578 views / 0 likes - added 9 years ago

Get a free audiobook at http://www.audible.com/minutephysics and Thanks to the following Subbable.com supporters: Owain Blackwood @vicnice137 www.lightbow.net More about the Big Bang: https://www.youtube.com/watch?v=q3MWRvLndzs More about the Cosmic Backg
06:21 Popular
An Electric Eel And A Caiman

730 views / 0 likes - added 9 years ago

Wherein Isobel and Maria show us the ropes -- or nets -- for surveying fishes in the Amazon. The distribution of fish in tropical river systems is important to understanding how animals move around these waterways. Where there are big fish -- like the ele
06:17 Popular
Sharks Sharks Sharks & More Sharks

1,410 views / 9 likes - added 9 years ago

There are 12 living Orders of sharks and rays swimming in our oceans today, and more than 440 known species. Here are some of the wackier ones! ------------------ NEW! Subreddit: http://www.reddit.com/r/thebrainscoop/ Facebook: http://www.facebook.com/the
03:36 Popular
OK Go - White Knuckles - Official Video

833 views / 0 likes - added 9 years ago

Official music video for OK Go's 'White Knuckles'. Directed by Trish Sie and OK Go. Produced by Shirley Moyers. Special thanks to: Lauren Henry and Roland Sonnenburg and their team of trainers from Talented Animals, the town of Corvallis OR for being so w
02:41 Popular
OK Go - Last Leaf - Official Video

788 views / 0 likes - added 9 years ago

Official Music Video for OK Go's "Last Leaf" This video was made in partnership with Samsung NX100 iFn. Directed by OK Go, Nadeem Mazen and Ali Mohammad Produced by Shirley Moyers Animation art by Geoff Mcfetridge, Champion Studio Preliminary Animation by
10:40 Popular
Hearing & Balance: Crash Course A&P #17

1,229 views / 0 likes - added 9 years ago

Crash Course A&P continues the journey through sensory systems with a look at how your sense of hearing works. We follow sounds as they work there way into the ear where they are registered and transformed into action potentials. This mechanism not only h
Featured
11:39 Popular
Copyright, Exceptions, And Fair Use: Crash Course Intellectual Property #3

723 views / 0 likes - added 8 years ago

Stan Muller teaches you a few things about copyright enforcement, and talks about the exceptions to copyright enforcement. While there are several, the one you've probably heard of is Fair Use, and it's a pretty tricky one. We'll try to explain it, and te
10:01 Popular
Why You Should Embrace Your Stutter | Juan V. Lopez | TEDxUniversityofNevada

780 views / 1 likes - added 8 years ago

Juan V. Lopez is an MBA student at The University of Nevada. In this inspiring talk, Juan explains why he now embraces his stutter as an integral part of his unique self. Juan V López is a MBA Candidate at the University of Nevada, first-generation
02:46
Two Colour Chemiluminescent Clock Reaction - Periodic Table Of Videos

568 views / 0 likes - added 8 years ago

More details in full description. Dr Sam Tang adds hydrogen peroxide to pyrogallol, formaldehyde and luminol. Chemiluminescence is caused by molecules being formed with some of their electrons in a higher energy level and then losing that energy as light.
05:57
Chemistry Nobel Prize 2013 - Periodic Table Of Videos

548 views / 0 likes - added 8 years ago

More Nobel Prize videos from us: http://bit.ly/periodicnobel The 2013 Nobel Prize in Chemistry is shared by Martin Karplus, Michael Levitt and Arieh Warshel for their work in the field of computational chemistry. Professor Martyn Poliakoff discusses. More
02:39
Chemistry Dubstep

603 views / 1 likes - added 8 years ago

Check these samples. Created solely from sounds recorded in our labs. Music/video by Dave & Adam - check their channel for more creations: http://bit.ly/boyinaband Behind the scenes (including interview with Dave and Adam): http://www.youtube.com/watch?v=
01:03
Trainor & Corey Fogelmanis take you inside MonkeyKingdom

591 views / 0 likes - added 8 years ago

Tenzing Norgay Trainor & Corey Fogelmanis take you inside the world of #MonkeyKingdom! See the film April 17th! Life is an adventure for Maya, the clever and resourceful blonde-bobbed monkey in “Monkey Kingdom,” Disneynature’s new fe
22:09 Popular
Best Fairy Tales! Story Time Favorites W/ Ms. Booksy At Cool School

1,021 views / 1 likes - added 8 years ago

Get ready for some Story Time favorites with Ms. Booksy right here at Cool School! And make sure you hit that subscribe link because we have a brand new series coming called The Story Circle! Cool School invited big YouTube moms and dads to join us and re
07:30 Popular
How To Make Carbon Dioxide (The Old-Fashioned Way)

1,300 views / 0 likes - added 8 years ago

REDDIT DISCUSSION: http://redd.it/2hbyqk Before bottled gas was delivered, chemists would make their carbon dioxide with a Kipp's Apparatus. Dr Samantha Tang (with Neil, of course) dusted off the one stored on Professor Poliakoff's window sill. More chemi
07:20
Six Cameras - One Reaction

670 views / 0 likes - added 8 years ago

Well, one reaction done twice! Behind the scenes on our Bakelite Reaction video, which was filmed from six camera angles (including three spectators using their phones!) Main video: http://youtu.be/Vlh0YDRmZ0I More chemistry at http://www.periodicvideos.c
03:11 Popular
Carbon Dioxide Cannon (scientists Make Mistakes!)

1,114 views / 0 likes - added 8 years ago

Three fails and then success with our carbon dioxide cannon. Extra shot: http://youtu.be/ilKeRnmgNTo More slow motion: http://bit.ly/chemslomo Thanks to Samantha Tang and Neil Barnes for their patience! More chemistry at http://www.periodicvideos.com/ Fol
04:22 Popular
Why Do Your Knuckles Pop? - Eleanor Nelsen

810 views / 3 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-do-your-knuckles-pop-eleanor-nelsen Some people love the feeling of cracking their knuckles, while others cringe at the sound. But what causes that trademark pop? And is it dangerous? Eleanor Nelsen gives th
Featured
04:03 Popular
The Effects Of Underwater Pressure On The Body - Neosha S Kashef

781 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-effects-of-underwater-pressure-on-the-body-neosha-s-kashef Why would a fish throw up its stomach? What makes a scuba diver develop painful microbubbles in their joints? Neosha S Kashef details the basics of
05:14 Popular
How Brain Parasites Change Their Host's Behavior - Jaap De Roode

784 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-parasites-change-their-host-s-behavior-jaap-de-roode The biggest challenge in a parasite’s life is to move from one host to another. Intriguingly, many parasites have evolved the ability to manipulate the be
04:46 Popular
The Mighty Mathematics Of The Lever - Andy Peterson And Zack Patterson

1,241 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-mighty-mathematics-of-the-lever-andy-peterson-and-zack-patterson Archimedes once said “Give me a place to stand, and I shall move the Earth.” While the idea of a person moving such a huge mass on their own m
Featured
05:23 Popular
Why Elephants Never Forget - Alex Gendler

1,109 views / 3 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-elephants-never-forget-alex-gendler It’s a common saying that elephants never forget. But the more we learn about elephants, the more it appears that their impressive memory is only one aspect of an incredib
Featured
04:11
Is Our Climate Headed For A Mathematical Tipping Point? - Victor J. Donnay

631 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/is-our-climate-headed-for-mathematical-chaos-victor-j-donnay Scientists have warned that as CO2 levels in the atmosphere rise an increase in Earth’s temperature by even two degrees could lead to catastrophic eff
05:24 Popular
What Can Schrödinger's Cat Teach Us About Quantum Mechanics? - Josh Samani

790 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-can-schrodinger-s-cat-teach-us-about-quantum-mechanics-josh-samani The classical physics that we encounter in our everyday, macroscopic world is very different from the quantum physics that governs systems
04:00 Popular
The Secret Lives Of Baby Fish - Amy McDermott

851 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-secret-lives-of-baby-fish-amy-mcdermott Coral reef fish, like the yellow tang surgeonfish, begin life in a fascinating and weird way – as tiny floating larvae! These babies are capable of drifting thousands
Featured
05:01 Popular
How Quantum Mechanics Explains Global Warming - Lieven Scheire

1,558 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-quantum-mechanics-explains-global-warming-lieven-scheire You've probably heard that carbon dioxide is warming the Earth. But how exactly is it doing it? Lieven Scheire uses a rainbow, a light bulb and a bit
04:47 Popular
Inside The Ant Colony - Deborah M. Gordon

846 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/inside-the-ant-colony-deborah-m-gordon Ants have one of the most complex social organizations in the animal kingdom; they live in structured colonies that contain different types of members who perform specific
Featured
09:51 Popular
Patents, Novelty, And Trolls: Crash Course Intellectual Property #4

1,412 views / 0 likes - added 8 years ago

This week, Stan teaches you about patents. It turns out, they're patently complicated! So, patents have some similarity to copyright, in that they grant a limited monopoly to people who invent things. The key difference in patents and copyright is that pa
09:39 Popular
Vision: Crash Course A&P #18

1,259 views / 0 likes - added 8 years ago

Next stop in our tour of your sensory systems? VISION. With a little help from an optical illusion, we take a look inside your eyes to try to figure out how your sense of vision works -- and how it can be tricked. *** Table of Contents The Structure of th
Featured
03:35
Sesame Street: Abby And Grover Sing Nursery Rhymes

648 views / 0 likes - added 8 years ago

Do you ever pretend that you are the Itsy Bitsy Little Spider or “row, row, row your boat down the stream?” Join your Sesame friends as they share their favorite nursery rhyme songs. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subs
04:34 Popular
Zony & Yony On Their Favorite Animals

796 views / 0 likes - added 8 years ago

These two adorable, 7-year-old twins from Taiwan are picking up lots of English, and sharing it all with Ellen.
07:10
The 'Everything' Formula - Numberphile

672 views / 0 likes - added 8 years ago

Matt Parker discusses Tupper's Self-Referential Formula. Matt's book on Amazon (US): http://bit.ly/Matt_4D_US Matt's book on Amazon (UK): http://bit.ly/Matt_4D_UK A little bit of extra footage from this video: http://youtu.be/wx22jdwn5zQ Thanks to our Pat
03:44
Something Special About 399 (and 2015) - Numberphile

623 views / 0 likes - added 8 years ago

It is the lowest Lucas-Carmichael Number... Featuring Ed Copeland. More about Ed's real work: http://bit.ly/CopelandGoesLong With thanks to these Patreon supporters: Herschal Sanders (from Susan) Today I Found Out Lê OK Merli Alex Bozzi Thomas J Petersen
07:43 Popular
How To Trisect An Angle With Origami - Numberphile

752 views / 0 likes - added 8 years ago

Zsuzsanna Dancso trisects an angle using origami - follows on from this video about Euclidean geometry: http://youtu.be/6Lm9EHhbJAY Special thanks to the Patreon supporters listed below: Herschal Sanders (from Susan) Lê OK Merli Alex Bozzi Thomas J
10:38 Popular
The Skeletal System: Crash Course A&P #19

2,028 views / 3 likes - added 8 years ago

Today Hank explains the skeletal system and why astronauts Scott Kelly and Mikhail Kornienko are out in space studying it. He talks about the anatomy of the skeletal system, including the flat, short, and irregular bones, and their individual arrangements
06:25
1944 - Allies Advance Further In Europe

679 views / 1 likes - added 8 years ago

As we go into 1944, we see the allies land at Normandy, liberate France and face Germany in their last major counteroffensive at the Battle of the Bulge. On the Eastern Front, the Soviets end Siege of Leningrad and begin to push through Poland and Romania
12:16 Popular
Saturn: Crash Course Astronomy #18

1,039 views / 6 likes - added 8 years ago

Saturn is the crown jewel of the solar system, beautiful and fascinating. It is a gas giant, and has a broad set of rings made of ice particles. Moons create gaps in the rings via their gravity. Saturn has dozens of moons, including Titan, which is as big
03:45 Popular
Measurement Mystery: Crash Course Kids #9.2

1,050 views / 0 likes - added 8 years ago

So now that we know what Properties are, how can we use them to figure things out? In this episode of Crash Course Kids, Sabrina uses them to solve the mystery of what she tripped over last night. This first series is based on 5th grade science. We're sup
04:00 Popular
Hunting For Properties: Crash Course Kids #9.1

789 views / 1 likes - added 8 years ago

Remember pre-school? If not, IT WAS SO MUCH EASIER! But when you were stacking blocks and figuring out which block went into which shaped hole, you were learning about properties. In this episode of Crash Course Kids, Sabrina talks about what properties a
11:20
Trademarks And Avoiding Consumer Confusion: Crash Course Intellectual Property #5

659 views / 0 likes - added 8 years ago

In which Stan Muller teaches you about our third branch of Intellectual Property, trademarks. A lot of people confuse trademark and copyright. Trademarks apply to things like company and product names and logos, packaging designs, and commercial designs.
09:23 Popular
Joints: Crash Course A&P #20

968 views / 0 likes - added 8 years ago

We continue our look at your bones and skeletal system, skipping over the silly kid's song in favor of a more detailed look at your your axial and appendicular skeleton. This episode also talks about the structural and functional classifications of your j
Featured
06:17 Popular
The Fermi Paradox II — Solutions And Ideas – Where Are All The Aliens?

856 views / 2 likes - added 8 years ago

Where are all the aliens? The universe is too big and too old, why have we not met aliens yet? Do they live in computers? Were they wiped out by an ancient super intelligence? Or are we just to primitive to understand their motives? Whatever the answer is
06:22 Popular
The Fermi Paradox — Where Are All The Aliens? (1/2)

1,190 views / 1 likes - added 8 years ago

The universe is unbelievably big – trillions of stars and even more planets. Soo… there just has to be life out there, right? But where is it? Why don’t we see any aliens? Where are they? And more importantly, what does this tell us about our own fate in
05:34 Popular
Measles Explained — Vaccinate Or Not?

1,046 views / 1 likes - added 8 years ago

Everybody is talking about Measles – but what does the virus actually do in the body? Is it really so harmful that you need a vaccination? We go deep into the body of an infected person and see what Measles does and how the immune system reacts to it! Vid
Featured
04:58 Popular
How Small Is An Atom? Spoiler: Very Small.

877 views / 0 likes - added 8 years ago

Atoms are very weird. Wrapping your head around exactly how weird, is close to impossible – how can you describe something that is SO removed from humans experience? But then again, they kind of make up everything, so let us try anyways. You can the MUSIC
Featured

>> View Eir web videos