Search Results: "Xi"

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15:04
Communism

542 views / 0 likes - added 9 years ago

Overview of Communism and Marxist-Leninist States More free lessons at: http://www.khanacademy.org/video?v=MmRgMAZyYN0
16:22
Napoleon Forced to Abdicate

541 views / 0 likes - added 9 years ago

The Sixth Coalition forces Napoleon into exile on Elba More free lessons at: http://www.khanacademy.org/video?v=CH6FQhlZn6k
14:10
Allocative Efficiency and Marginal Benefit

566 views / 0 likes - added 9 years ago

Marginal Utility and maximization More free lessons at: http://www.khanacademy.org/video?v=MT4akJsAmb0
09:24
Optimal Point on Budget Line

618 views / 0 likes - added 9 years ago

Using indifference curves to think about the point on the budget line that maximizes total utility More free lessons at: http://www.khanacademy.org/video?v=nhSSu0Nzs30
09:21
Prisoners' Dilemma and Nash Equilibrium

589 views / 1 likes - added 9 years ago

Why two not-so-loyal criminals would want to snitch each other out More free lessons at: http://www.khanacademy.org/video?v=UkXI-zPcDIM
07:12
Approximating Square Roots

524 views / 0 likes - added 9 years ago

u16_l1_t1_we2 Approximating Square Roots More free lessons at: http://www.khanacademy.org/video?v=EFVrAk61xjE Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
09:11
The rule of 72 for compound interest

456 views / 0 likes - added 9 years ago

Using the rule of 72 to approximate how long it will take for an investment to compound More free lessons at: http://www.khanacademy.org/video?v=mec-QpjQMXY
06:01 Popular
Visualizing Taylor Series Approximations

703 views / 0 likes - added 9 years ago

Using Wolfram Alpha to approximate sin(x) More free lessons at: http://www.khanacademy.org/video?v=8dMLK2Wueaw
03:57
Equation of a line 2

467 views / 0 likes - added 9 years ago

u13_l2_t2_we2 Equation of a line 2 More free lessons at: http://www.khanacademy.org/video?v=MxiqyE2uMCo Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
09:29 Popular
IIT JEE Function Maxima

743 views / 0 likes - added 9 years ago

2010 IIT JEE Paper 1 problem 36 Function Maxima More free lessons at: http://www.khanacademy.org/video?v=2E_DB5VuAoo
09:55 Popular
IIT JEE Trigonometric Maximum

769 views / 0 likes - added 9 years ago

2010 IIT JEE Paper 1 Problem 48 Trigonometric Maximum More free lessons at: http://www.khanacademy.org/video?v=tzR9jUCSniQ
04:12
Hubble Image of Galaxies

579 views / 0 likes - added 9 years ago

Hubble Image of Galaxies More free lessons at: http://www.khanacademy.org/video?v=Wl4re38deh0
12:04
Precession Causing Perihelion to Happen Later

560 views / 0 likes - added 9 years ago

Clarifying the effect of axial precession on the calendar and the date of perihelion and aphelion More free lessons at: http://www.khanacademy.org/video?v=2o-Sef6wllg
01:41
Proper and Improper Fractions

529 views / 0 likes - added 9 years ago

u2_l1_t2_we1 Proper and Improper Fractions More free lessons at: http://www.khanacademy.org/video?v=2h8XiqSnzaU Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
07:48
Cyclic ethers and epoxide naming

556 views / 0 likes - added 9 years ago

Cyclic ethers and epoxide naming More free lessons at: http://www.khanacademy.org/video?v=5d63YMUxcS4
11:33
Ring-opening Sn2 reaction of expoxides

638 views / 0 likes - added 9 years ago

Ring-opening Sn2 reaction of expoxides
04:08
Basic Rate Problem

494 views / 0 likes - added 9 years ago

U03_L2_T3_we2 : Basic Rate Problem More free lessons at: http://www.khanacademy.org/video?v=7WXijfIZh64 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
01:52
Multiplying and Dividing Monomials 1

558 views / 0 likes - added 9 years ago

U08_L1_T1_we1 Multiplying and Dividing Monomials 1 More free lessons at: http://www.khanacademy.org/video?v=p_61XhXdlxI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
03:46
Factoring Trinomials by Grouping 1

531 views / 0 likes - added 9 years ago

U09_L1_T2_we1 Factoring Trinomials by Grouping 1 More free lessons at: http://www.khanacademy.org/video?v=HXIj16mjfgk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
13:29
Oxidation and Reduction Review From Biological Point-of-View

456 views / 0 likes - added 9 years ago

Taking a looking at oxidation and reduction in a biological context More free lessons at: http://www.khanacademy.org/video?v=orI2m6IarJg
17:08
Oxidation and Reduction in Cellular Respiration

486 views / 0 likes - added 9 years ago

Oxidation and reduction in cellular respiration. Reconciling the biology and chemistry definitions of oxidation and reduction. More free lessons at: http://www.khanacademy.org/video?v=_KyyVhlUDNU
04:59
Oxidative Phosphorylation and Chemiosmosis

483 views / 0 likes - added 9 years ago

Oxidative Phosphorylation and Chemiosmosis (along with slight correction of previous video) More free lessons at: http://www.khanacademy.org/video?v=W_Q17tqw_7A
20:33
The Lungs and Pulmonary System

517 views / 0 likes - added 9 years ago

The pulmonary system including the lungs, larynx, trachea, bronchi, bronchioles, alveoli and thoracic diaphragm More free lessons at: http://www.khanacademy.org/video?v=SPGRkexI_cs
15:54
Neuronal Synapses (Chemical)

498 views / 0 likes - added 9 years ago

How one neuron can stimulate (or inhibit) another neuron at a chemical synapse More free lessons at: http://www.khanacademy.org/video?v=Tbq-KZaXiL4
16:32
Anatomy of a muscle cell

546 views / 0 likes - added 9 years ago

Understanding the structure of a muscle cell More free lessons at: http://www.khanacademy.org/video?v=uY2ZOsCnXIA
10:07
Cytotoxic T Cells

563 views / 0 likes - added 9 years ago

How cytotoxic T cells get activated by MHC-I/antigen complexes and then proceed to kill infected cells More free lessons at: http://www.khanacademy.org/video?v=oqI4skjr6lQ
18:09
Introduction to pH, pOH, and pKw

558 views / 0 likes - added 9 years ago

Autoionization of water into hydronium and hydroxide ions. pH, pOH, and pKa. More free lessons at: http://www.khanacademy.org/video?v=2q4vSKwaBtw
17:39
Introduction to Oxidation States

487 views / 0 likes - added 9 years ago

Oxidation and reduction. Oxidation states.
17:29
More on Oxidation States

505 views / 0 likes - added 9 years ago

More practice calculating oxidation states
02:22
Hydrogen Peroxide Correction

453 views / 0 likes - added 9 years ago

Correcting an error in the last video regarding hydrogen peroxide.
14:26 Popular
Redox Reactions

773 views / 0 likes - added 9 years ago

Oxidation reduction (or redox) reactions
26:04 Popular
Normal Distribution Excel Exercise

1,629 views / 0 likes - added 9 years ago

(Long-26 minutes) Presentation on spreadsheet to show that the normal distribution approximates the binomial distribution for a large number of trials. More free lessons at: http://www.khanacademy.org/video?v=yTGEMoaWDCQ
10:47 Popular
Variance of Differences of Random Variables

772 views / 0 likes - added 9 years ago

Variance of Differences of Random Variables More free lessons at: http://www.khanacademy.org/video?v=rLdoKZ7w0xI
09:22
Banking 10: Introduction to leverage (bad sound)

666 views / 0 likes - added 9 years ago

What leverage is. Why it is is good or bad. Leverage and insolvency. More free lessons at: http://www.khanacademy.org/video?v=8fxilNdEQTo
12:08
Matrices: Reduced Row Echelon Form 3

679 views / 0 likes - added 9 years ago

And another example of solving a system of linear equations by putting an augmented matrix into reduced row echelon form More free lessons at: http://www.khanacademy.org/video?v=JVDrlTdzxiI
12:18
Rotation in R3 around the X-axis

629 views / 0 likes - added 9 years ago

Construction a rotation transformation in R3 More free lessons at: http://www.khanacademy.org/video?v=gkyuLPzfDV0
15:32
Linear Algebra: Least Squares Approximation

674 views / 0 likes - added 9 years ago

The least squares approximation for otherwise unsolvable equations More free lessons at: http://www.khanacademy.org/video?v=MC7l96tW8V8
13:25 Popular
Linear Algebra: Another Least Squares Example

733 views / 0 likes - added 9 years ago

Using least squares approximation to fit a line to points More free lessons at: http://www.khanacademy.org/video?v=QkepM8Vv3kw
07:09
Deriving Max Projectile Displacement Given Time

513 views / 0 likes - added 9 years ago

Deriving a formula for maximum projectile displacement as a function of elapsed time More free lessons at: http://www.khanacademy.org/video?v=P7LKEkcNibo
15:12
Launching and Landing on Different Elevations

572 views / 0 likes - added 9 years ago

More complicated example involving launching and landing at different elevations More free lessons at: http://www.khanacademy.org/video?v=a5QnXi_lZII
12:12 Popular
Introduction to Astronomy: Crash Course Astronomy #1

717 views / 3 likes - added 9 years ago

Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with answering a question: "What is astronomy?" -- Table of Contents: What is Astronomy? 3:00 Who Studie
14:37 Popular
Exploring the Universe: Crash Course Big History #2

713 views / 0 likes - added 9 years ago

In which John Green, Hank Green, and Emily Graslie teach you about what happened in the Universe after the big bang. They'll teach you about cosmic background radiation, how a bunch of hydrogen and helium turned into stars, formed galaxies, created heavy
11:02 Popular
World War II, A War for Resources: Crash Course World History #220

1,672 views / 11 likes - added 9 years ago

In which John Green teaches you about World War II, and some of the causes behind the war. In a lot of ways, WWII was about resources, and especially about food. The expansionist aggression of both Germany and Japan were in a lot of ways about resources.
11:38 Popular
Monkeys and Morality: Crash Course Psychology #19

844 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.
11:32 Popular
OCD&Anxiety Disorders: Crash Course Psychology #29

891 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.
10:12 Popular
Eating and Body Dysmorphic Disorders: Crash Course Psychology #33

741 views / 0 likes - added 9 years ago

Get Help: If you think you have an eating disorder, please contact http://www.nationaleatingdisorders.org/ for help! You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we'r
11:23 Popular
Getting Help - Psychotherapy: Crash Course Psychology #35

705 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.
10:59
The Creation of Chemistry - The Fundamental Laws: Crash Course Chemistry #3

622 views / 0 likes - added 9 years ago

Today's Crash Course Chemistry takes a historical perspective on the creation of the science, which didn't really exist until a super-smart, super-wealthy Frenchman put the puzzle pieces together - Hank tells the story of how we went from alchemists to ch
13:34 Popular
Water and Solutions -- for Dirty Laundry: Crash Course Chemistry #7

1,582 views / 0 likes - added 9 years ago

Dihydrogen monoxide (better know as water) is the key to nearly everything. It falls from the sky, makes up 60% of our bodies, and just about every chemical process related to life takes place with it or in it. Without it, none of the chemical reactions t
11:13 Popular
Redox Reactions: Crash Course Chemistry #10

1,126 views / 0 likes - added 9 years ago

All the magic that we know is in the transfer of electrons. Reduction (gaining electrons) and oxidation (the loss of electrons) combine to form Redox chemistry, which contains the majority of chemical reactions. As electrons jump from atom to atom, they c
11:55 Popular
Partial Pressures&Vapor Pressure: Crash Course Chemistry #15

717 views / 0 likes - added 9 years ago

This week we continue to spend quality time with gases, more deeply investigating some principles regarding pressure - including John Dalton's Law of Partial Pressures, vapor pressure - and demonstrating the method for collecting gas over water. Table of
09:05 Popular
Nomenclature - Crash Course Chemistry #44

1,359 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.
12:19 Popular
Taxes&Smuggling - Prelude to Revolution: Crash Course US History #6

820 views / 1 likes - added 9 years ago

In which John Green teaches you about the roots of the American Revolution. The Revolution did not start on July 4, 1776. The Revolutionary War didn't start on July 4 either. (as you remember, I'm sure, the Revolution and the Revolutionary War are not the
13:57 Popular
Where US Politics Came From: Crash Course US History #9

755 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
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12:47
War&Expansion: Crash Course US History #17

634 views / 0 likes - added 9 years ago

In which John Green teaches you about the Mexican-American War in the late 1840s, and the expansion of the United States into the western end of North America. In this episode of Crash Course, US territory finally reaches from the Atlantic coast to the Pa
13:51 Popular
Gilded Age Politics:Crash Course US History #26

790 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
13:40 Popular
America in World War I: Crash Course US History #30

894 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
11:43 Popular
Like Pale Gold - The Great Gatsby Part I: Crash Course English Literature #4

750 views / 0 likes - added 9 years ago

In which John Green explores F. Scott Fitzgerald's novel of the Jazz Age, The Great Gatsby. John introduces you to Nick Carraway, Jay Gatsby, Daisy and Tom Buchanan, and the other characters in the novel, and tries to look beyond the surface story to figu
10:19
If One Finger Brought Oil - Things Fall Apart part I: Crash Course Literature 208

682 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. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th
13:15 Popular
Photosynthesis: Crash Course Biology #8

1,045 views / 3 likes - added 9 years ago

Hank explains the extremely complex series of reactions whereby plants feed themselves on sunlight, carbon dioxide and water, and also create some by products we're pretty fond of as well. Crash Course Biology is now available on DVD! http://dftba.com/pro
12:45 Popular
Natural Selection - Crash Course Biology #14

2,013 views / 0 likes - added 9 years ago

Hank guides us through the process of natural selection, the key mechanism of evolution. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/CrashCourse-Biology-The-Complete-Series-DVD-Set Like CrashCourse on Facebook: http://www.fa
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11:32 Popular
Animal Development: We're Just Tubes - Crash Course Biology #16

863 views / 0 likes - added 9 years ago

Hank discusses the process by which organisms grow and develop, maintaining that, in the end, we're all just tubes. Crash Course Biology is now available on DVD! http://dft.ba/-8css Like CrashCourse on Facebook: http://www.facebook.com/youtubecrashcourse
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11:31 Popular
Simple Animals: Sponges, Jellies,&Octopuses - Crash Course Biology #22

832 views / 0 likes - added 9 years ago

Hank introduces us to the "simplest" of the animals, complexity-wise: beginning with sponges (whose very inclusion in the list as "animals" has been called into question because they are so simple) and finishing with the most complex molluscs, octopuses a
12:10 Popular
Chordates - CrashCourse Biology #24

1,619 views / 0 likes - added 9 years ago

Hank introduces us to ourselves by taking us on a journey through the fascinatingly diverse phyla known as chordata. And the next time someone asks you who you are, you can give them the facts: you're a mammalian amniotic tetrapodal sarcopterygian osteich
10:54 Popular
Animal Behavior - CrashCourse Biology #25

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

Hank and his cat Cameo help teach us about animal behavior and how we can discover why animals do the things they do. Crash Course Biology is now available on DVD! http://dft.ba/-8css Like Crash Course on Facebook: http://www.facebook.com/youtubecrashcour
11:40 Popular
Circulatory&Respiratory Systems - CrashCourse Biology #27

2,206 views / 0 likes - added 9 years ago

Hank takes us on a trip around the body - we follow the circulatory and respiratory systems as they deliver oxygen and remove carbon dioxide from cells, and help make it possible for our bodies to function. Crash Course Biology is now available on DVD! ht
12:21 Popular
The Excretory System: From Your Heart to the Toilet - CrashCourse Biology #29

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

Hank takes us on the fascinating journey through our excretory system to learn how our kidneys make pee. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCourse on Facebook: http://www.facebook.com/YouTubeCrashCourse Follow Cras
12:08 Popular
The Dark Ages...How Dark Were They, Really?: Crash Course World History #14

821 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
11:08 Popular
The Atlantic Slave Trade: Crash Course World History #24

1,010 views / 0 likes - added 9 years ago

In which John Green teaches you about one of the least funny subjects in history: slavery. John investigates when and where slavery originated, how it changed over the centuries, and how Europeans and colonists in the Americas arrived at the idea that peo
13:43 Popular
Latin American Revolutions: Crash Course World History #31

1,171 views / 0 likes - added 9 years ago

In which John Green talks about the many revolutions of Latin America in the 19th century. At the beginning of the 1800s, Latin America was firmly under the control of Spain and Portugal. The revolutionary zeal that had recently created the United States
13:13 Popular
World War II: Crash Course World History #38

1,550 views / 4 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. In which John Green teaches you about World War II, aka The Great Patriotic War, aka The Big One. So how did this war happen? And wha
01:21 Popular
Sesame Street: Unboxing a Banana with Cookie Monster

940 views / 1 likes - added 9 years ago

Ever wonder what is inside a banana? Cookie Monster is unboxing a banana to answer that very question. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet You can catch Sesame Street in the morning
03:48 Popular
Sesame Street: Cookie Monster Unboxing a Package from the UK

872 views / 1 likes - added 9 years ago

Cookie Monster unboxes a parcel he received from the UK. Watch to find out what's inside. 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 the afte
06:17 Popular
Sesame Street: Super Grover Paints a Still Life

775 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
01:47
Sesame Street: Zach Braff and Telly are Anxious

621 views / 0 likes - added 9 years ago

Anxious is when you feel nervous or very worried about something. When the mail man delivers Zach Braff and Telly a box, they are so anxious to know what is inside. What could it be? They're very anxious, so please watch this video so they can find out. S
01:27 Popular
Sesame Street: Ernie Change The Plan Song

880 views / 0 likes - added 9 years ago

You might have had your hopes up that your mommy packed you a meatball hero with an ice cream sandwich on the side for lunch, but don't get upset if it turns out to be a PB&J with some carrots. You've got to change the plan, and be flexible. It's respecta
01:03
Sesame Street: Let's Make a Triangle (Pilobolus Dance Company)

567 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
05:42 Popular
Sesame Street: Relax (Word on the Street Podcast)

1,042 views / 2 likes - added 9 years ago

Relax! It's the weekend. Everyone could use a little bit of relaxing every now and then. Whether your frustrated from standing in line or your tired from a long hard week of preschool, it's important to make time for relaxing. Subscribe to the Sesame Stre
00:38 Popular
Sesame Street: "Alphabet Songs" Preview

774 views / 0 likes - added 9 years ago

Sing your ABCs with Elmo and all your favorite Sesame Street Muppets! Full of furry friends, animation, and children, this feature includes songs for every letter of the alphabet! Special guests Norah Jones, the Dixie Chicks, and Smokey Robinson. Subscrib
02:19 Popular
Sesame Street: Mi Amiguita Rosita

821 views / 0 likes - added 9 years ago

Here's what being Mexican means to Rosita: she loves to dance, she enjoys playing music, she likes sports, and she loves her amigos. Sing this song with Rosita and celebrate her Mexican heritage! Subscribe to the Sesame Street Channel here: http://www.you
02:14 Popular
SO CUTE: Sleeping Dinosaurs!!

938 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
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02:06 Popular
A Look At Prehistoric Mammals

719 views / 1 likes - added 9 years ago

It turns out that dinosaurs weren't the only huge creatures roaming the earth during prehistoric times. This time, we look at Wooly Mammoths and other mammals that also existed millions of years ago. Watch the whole playlist of dinosaur videos here: http:
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02:54
Supermassive Black Holes Anchor Existence

638 views / 1 likes - added 9 years ago

Supermassive black holes aren't just spinning at the center of most galaxies--they may actually be creating them. | For more STRIP THE COSMOS, visit http://www.sciencechannel.com/tv-shows/strip-the-cosmos/#mkcpgn=ytsci1 Subscribe to Science Channel! | htt
05:40 Popular
Space School- Milky Way

769 views / 2 likes - added 9 years ago

Despite being one of billions of galaxies in the universe, the Milky Way is special. Nestled in a corner of this gigantic galaxy sits Earth, a simple grain of sand tucked away among countless clusters of stars.
05:34 Popular
At What Moment Are You Dead? - Randall Hayes

711 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/at-what-moment-are-you-dead-randall-hayes For as far back as we can trace our existence, humans have been fascinated with death and resurrection....
05:11
Is Math Discovered Or Invented? - Jeff Dekofsky

617 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/is-math-discovered-or-invented-jeff-dekofsky Would mathematics exist if people didn't? Did we create mathematical concepts to help us understand...
03:03 Popular
How Do You Know You Exist? - James Zucker

1,279 views / 3 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-do-you-know-you-exist-james-zucker How do you know you're real? Is existence all just a big dream? Has some mad scientist duped us into simply...
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07:17 Popular
How To Draw Plankton

978 views / 0 likes - added 9 years ago

Now that you know how to draw Plankton, be sure to check out yesterday's video how to draw SpongeBob: http://youtu.be/JlnrjXIMEnY Also, be sure to watch how to paint a flamingo with Hads: Link coming soon. MATERIALS USED IN THIS VIDEO: Sharpie Paper SUBSC
07:05
The Recipe For Life…

606 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
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06:35 Popular
Attack Of The Zombie Parasites!

826 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
04:47 Popular
Why Does February Only Have 28 Days?

945 views / 4 likes - added 9 years ago

It's not the size of the month that matters… Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ Why does February only get 28 days when all the other months get 30 or 31? The answer is part superstition, part politi
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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?

1,399 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
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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!

762 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

746 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
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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?

859 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

645 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?

895 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
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09:12 Popular
The Sixth Extinction

801 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
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05:31
Why Are Some People Left-Handed?

679 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:/
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12:34 Popular
How To Draw Princess Bubblegum

787 views / 0 likes - added 9 years ago

Today we're going to draw Princess Bubblegum, check out some of our other past Adventure Time characters https://www.youtube.com/playlist?list=PLnoO3k54vcBQ1YuGXI9Fmp4mQ219CMPkH Link to buy Had's Finn hat on Amazon (affil. link) http://www.amazon.com/gp/p
10:33 Popular
How To Draw An Alien UFO (young Artists)

788 views / 1 likes - added 9 years ago

This how to draw an alien UFO is for young artists. We talk about secondary colors, and mixing primary colors to make them. This is also a fun activity to practice cutting and glueing. EMAIL A PHOTO OF YOUR ART: myart@artforkidshub.com MAIL US YOUR ART: A
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How To See Time Travel!!!

578 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?

1,253 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?

974 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
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03:59 Popular
A Slice Of Pizza Science!

1,163 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
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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

671 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
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05:45 Popular
What's The Deadliest Animal In The World?

840 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
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04:51 Popular
What If There Were No Sharks?

2,048 views / 14 likes - added 9 years ago

Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- Follow this link to more shark science videos by your favorite YouTubers!! http://bit.ly/1sugd0z↓ More info and sources below ↓ Follow on Twitter:
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06:10 Popular
The Oldest Living Things In The World

721 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!

734 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

646 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

766 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

785 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!

556 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.
08:23 Popular
Is Ultron Inevitable?

821 views / 0 likes - added 9 years ago

Follow me to Vsauce3!! http://bit.ly/1zUxn7a Twitter: @okaytobesmart @jtotheizzoe Instagram: @jtotheizzoe↓ More info and sources below ↓ Will artificial intelligence ever surpass human intelligence? And if that happens, will AI be good or bad? Is evil AI
04:48 Popular
Approximating Square Roots

739 views / 0 likes - added 8 years ago

Approximating square roots
11:12 Popular
What Is Random?

2,566 views / 0 likes - added 8 years ago

There's more over on Veritasium! "What is NOT Random?": https://www.youtube.com/watch?v=sMb00lz-IfE SOURCES AND MORE BELOW! My twitter: https://twitter.com/tweetsauce My instagram: http://instagram.com/electricpants Generate random numbers using atmospher
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How To Draw An Ant (Young Artists)

798 views / 0 likes - added 8 years ago

Drawing this ant with Austin was fun. If you have a young artist at home, try this activity with them. It's exciting to see them grasp the concept of mixing colors to make other colors. Also, check out our ant drawing with Chuckers https://www.youtube.com
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How To Subtract By Adding

702 views / 0 likes - added 8 years ago

Brought to you by http://www.lynda.com/minutephysics https://en.wikipedia.org/wiki/Method_of_complements Hank's adding machine video: https://www.youtube.com/watch?v=JYT8oH-NODs Thanks to the following Subbable subscribers for making MinutePhysics possibl
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02:16 Popular
How Big Is The Sun?

1,972 views / 3 likes - added 8 years ago

Thanks to http://www.squarespace.com/minutephysics for sponsoring this video! MinutePhysics is on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minutephysics Minute Physics provides an energetic and enterta
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03:11 Popular
How Do Airplanes Fly?

967 views / 0 likes - added 8 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
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04:14 Popular
Computer Color Is Broken

800 views / 0 likes - added 8 years ago

Thanks to http://www.audible.com/minutephysics for supporting this video! MinutePhysics is on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minutephysics Minute Physics provides an energetic and entertainin
03:59 Popular
Solution To The Impossible Bet

839 views / 1 likes - added 8 years ago

This problem is called the "100 Prisoners Problem", more info on the math here: http://en.m.wikipedia.org/wiki/100_prisoners_problem Thanks to http://www.ifixit.com for supporting us on Subbable! and to Subbable supporter @vicnice137 And thanks to my frie
04:56 Popular
How to Learn to Code

1,054 views / 6 likes - added 8 years ago

Thanks to https://www.youtube.com/user/NerdyAndQuirky for the question! Shares appreciated! Twitters: https://twitter.com/cheerskevin There you go. Here’s the code that will get you past your first technical interview. By the way, don’t ever w
02:46
Two Colour Chemiluminescent Clock Reaction - Periodic Table Of Videos

567 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.
06:40
Barking Dog (slow Motion) - Periodic Table Of Videos

657 views / 0 likes - added 8 years ago

Barking Dog reaction at 3000 frames per second. More about filming & editing this video: http://youtu.be/vfKUG11FKGE The Barking Dog is combustion of nirous oxide (laughing gas) and sulfur dioxide. This video features Martyn Poliakoff, Pete Licence and Da
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Aladdin And The Magic Lamp - PART ONE - Story Time At Cool School!

780 views / 2 likes - added 8 years ago

Part Two here: https://www.youtube.com/watch?v=fO7I3Vn3k2k&list=PLmXIvUqK8z1MZ-VrdpFYvHvKH6SLNxG6O&index=2 It's Story Time! Aladdin and the Magic Lamp is today's story at Cool School. Check out the adventures of Aladdin, the Genie, and the super cool Prin
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Aladdin And The Princess - PART TWO - Story Time At Cool School

866 views / 2 likes - added 8 years ago

PART ONE HERE: https://www.youtube.com/watch?v=nT6ez-mMPYw&list=PLmXIvUqK8z1MZ-VrdpFYvHvKH6SLNxG6O&index=1 Now catch Part 2 of Aladdin here at Cool School's Story Time! We left off with a real cliffhanger on Part 1, but find out what happens next with Ala
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The New Yellow - Periodic Table Of Videos

689 views / 0 likes - added 8 years ago

Bismuth Vanadate is a good yellow pigment because it is less toxic than alternatives, such as lead chromate and cadmium sulfide. Objectivity: http://bit.ly/Objectivity This video features Professor Sir Martyn Poliakoff. More chemistry at http://www.period
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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
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The Lord Of Chemistry - Periodic Table Of Videos

769 views / 0 likes - added 8 years ago

Distinguished chemist Jack Lewis passed away last month. As a member of the UK's House of Lords, he was Baron Lewis of Newnham. Nitrogen Tetroxide: http://youtu.be/JLCrZGgKD-k Rosetta: http://youtu.be/XEfKq-pQBcc More chemistry at http://www.periodicvideo
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Carbon Dioxide Cannon (scientists Make Mistakes!)

1,110 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
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Burning Magnesium In Water - Periodic Table Of Videos

1,182 views / 0 likes - added 8 years ago

What happens when burning magnesium is dunked in water? We filmed it with the slow motion camera. Here is the magnesium in CO2 video mentioned: http://youtu.be/0dSMzg0UPPo Magnesium: http://youtu.be/FKkWdizutxI More slow motion: http://bit.ly/chemslomo Mo
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Did Shakespeare Write His Plays? - Natalya St. Clair And Aaron Williams

1,082 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/did-shakespeare-write-his-plays-natalya-st-clair-and-aaron-williams Some people question whether Shakespeare really wrote the works that bear his name – or whether he even existed at all. Could it be true that t
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04:37 Popular
The Law Of Conservation Of Mass - Todd Ramsey

2,367 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-law-of-conservation-of-mass-todd-ramsey Everything in our universe has mass — from the smallest atom to the largest star. But the amount of mass has remained constant throughout existence even during the bir
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04:46 Popular
How Do We Study The Stars? - Yuan-Sen Ting

1,584 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-do-we-study-the-stars-yuan-sen-ting Our best technology can send men to the Moon and probes to the edge of our solar system, but these distances are vanishingly small compared to the size of the universe. Ho
05:30 Popular
Light Seconds, Light Years, Light Centuries: How To Measure Extreme Distances - Yuan-Sen Ting

951 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-do-we-measure-distances-in-space-yuan-sen-ting When we look at the sky, we have a flat, two-dimensional view. So how do astronomers figure the distances of stars and galaxies from Earth? Yuan-Sen Ting shows
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WONDER WOMAN TOMATO SOUP - NERDY NUMMIES

885 views / 3 likes - added 8 years ago

Today I made Wonder Woman Tomato Soup from scratch! I really enjoy making nerdy themed goodies and decorating them. I'm not a pro, but I love baking as a hobby. Please let me know what kind of treat you would like me to make next. FOLLOW ME HERE: Facebook
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How Quantum Mechanics Explains Global Warming - Lieven Scheire

1,556 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
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1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35...

977 views / 0 likes - added 8 years ago

Watch my FIELD DAY video, “Home Sweet Whittier”: http://bit.ly/1QKKcuo And subscribe to FIELD DAY!! http://www.youtube.com/fieldday Jake and Kevin will be doing field days soon!! LINKS, SOURCES, and MORE are below: This video was shot in beautiful Buchare
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1942 Tide Turning In World War II In Europe

648 views / 0 likes - added 8 years ago

In 1942 we see the Axis get pushed back in North Africa and get bogged down in the Soviet Union. The tide of war turns in favor of the Allies.
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1941 Axis Momentum Accelerates In WW2

831 views / 2 likes - added 8 years ago

In 1941, the Axis gains further momentum with control of most of Continential Europe. Hitler decides to break pact and invade Stalin's Soviet Union. United States enters World War II after Japanese attack on Pearl Harbor.
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1940 - Axis Gains Momentum In World War II

743 views / 0 likes - added 8 years ago

In this second video giving an overview of World War II, we see Germany and the Axis powers only continue to gain momentum in 1940.
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1943 - Allies Gain Even More Momentum In WW II

580 views / 0 likes - added 8 years ago

In 1943, the tide really turns in favor of the Allies in World War II. They are able to push the Axis out of N.Africa and force a surrender from Italy (along with Mussolini being deposed). The Soviets are able to start pushing the Axis out of the Soviet U
04:56 Popular
1943 Axis Losing In Europe

1,263 views / 0 likes - added 8 years ago

In 1943, the tide really turns in favor of the Allies in World War II. They are able to push the Axis out of N.Africa and force a surrender from Italy (along with Mussolini being deposed). The Soviets are able to start pushing the Axis out of the Soviet U
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Types Of Bureaucracies: Crash Course Government And Politics #16

601 views / 0 likes - added 8 years ago

This week Craig Benzine breaks down the different types of bureaucracies. I mean sure, they’re all part of the executive branch, but some work more directly with the president than others. Some bureaucracies exist solely to independently regulate industry
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How Batteries Work - Adam Jacobson

1,536 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-batteries-die-adam-jacobson Batteries are a triumph of science—they allow smartphones and other technologies to exist without anchoring us to an infernal tangle of power cables. Yet even the best batteries w
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02:45
Sesame Street: Grover And Zachary Quinto Are Flexible

485 views / 0 likes - added 8 years ago

Today's word is flexible. Flexible means to change or bend easily. Straws bend easily and are flexible. You can be flexible too, with your legs, your arms, or even your mind. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription
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Joints: Crash Course A&P #20

966 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
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06:17 Popular
The Fermi Paradox II — Solutions And Ideas – Where Are All The Aliens?

854 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)

1,189 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
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Measles Explained — Vaccinate Or Not?

1,044 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
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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
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03:04
Identifying Relative And Global Maxima And Minima

613 views / 0 likes - added 8 years ago

Examples identifying relative maximum points, relative minimum points, global maximum points and global minimum points.
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Endocrine System, Part 1 - Glands & Hormones: Crash Course A&P #23

1,932 views / 0 likes - added 8 years ago

Hank begins teaching you about your endocrine system by explaining how it uses glands to produce hormones. These hormones are either amino-acid based and water soluble, or steroidal and lipid-soluble, and may target many types of cells or just turn on spe
11:55 Popular
Comets: Crash Course Astronomy #21

735 views / 0 likes - added 8 years ago

Today on Crash Course Astronomy, Phil explains comets. Comets are chunks of ice and rock that orbit the Sun. When they get near the Sun the ice turns into gas, forming the long tail, and also releases dust that forms a different tail. We’ve visited comets
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Optimization - Maximum Volume Of Box

630 views / 0 likes - added 8 years ago

Optimization is explained completely in this calculus video. I also provided the links for my other optimization videos as well. Optimization - "minimum fence required" example https://www.youtube.com/watch?v=kV3K4Ppz6fw Optimization - "Minimum sum of two
03:48 Popular
How To Detect A Secret Nuclear Test

854 views / 1 likes - added 8 years ago

Thanks to the CTBTO for helping keep the world safe by detecting secret nuclear tests. http://www.ctbto.org http://www.twitter.com/ctbto_alerts http://www.facebook.com/CTBTO http://www.youtube.com/CTBTO Music by Nathaniel Schroeder http://www.soundcloud.c
02:34 Popular
Upside Down Mountains In Real Life

797 views / 1 likes - added 8 years ago

Research on global mountain surface areas: http://bit.ly/1eJyqCM This video is supported by http://www.lynda.com/minutephysics Thanks to the following Subbable subscribers for making MinutePhysics possible: Marc Vigod @WeAretheProduct Knowledge Videos: ht
02:54 Popular
Why Raindrops Are Mathematically Impossible

1,421 views / 1 likes - added 8 years ago

Rain shouldn't happen, according to basic physics. Click here to watch the MinuteEarth video about rain: https://www.youtube.com/watch?v=87v_9Bud7vw This video supported by Audible.com/minutephysics Thanks to the following Subbable subscribers for making
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13:30 Popular
IP Problems, YouTube, And The Future: Crash Course Intellectual Property #7

857 views / 0 likes - added 8 years ago

In which Stan Muller talks about some of the problems in Intellectual Property law as it exists today. He'll also teach you a little about how IP law applies to everyone's favorite media platform, YouTube. Lastly, he'll do a little prognosticating, and tr
02:58
Do We Have To Get Old ?

584 views / 1 likes - added 8 years ago

We’d like to thank Focus Features for sponsoring this video – and for inviting us to pre-screen their summer 2015 film “Self/Less”. It’s a sci-fi flick that explores memory, consciousness, and immortality, and it made us think about the types of immortali
09:34 Popular
Endocrine System, Part 2 - Hormone Cascades: Crash Course A&P #24

892 views / 0 likes - added 8 years ago

In the second half of our look at the endocrine system, Hank discusses chemical homeostasis and hormone cascades. Specifically, he looks at the hypothalamus-pituitary-thyroid axis, or HPT axis, and all the ways your body can suffer when that system, or yo
03:09 Popular
How Do Greenhouse Gases Actually Work?

734 views / 0 likes - added 8 years ago

Thanks to Kurz Gesagt for illustrating this video! http://www.youtube.com/kurzgesagt And for composing the music!: https://soundcloud.com/epicmountain/minute-earth Thanks also to our Patreon patrons: - AshrafDude - Nasser Hamed Alminji - Jeff Straathof -
02:48 Popular
Why Don't Scavengers Get Sick?

771 views / 1 likes - added 8 years ago

Thanks to Harry’s for supporting this video. Use the coupon code MINUTEEARTH for $5 off your order! https://www.harrys.com/ Thanks also to our Patreon patrons: - @AntoineCoeur - Mark - @TodayIFoundOut1 - Emil Kampp Please support MinuteEarth on Patreon: h
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03:57 Popular
How Do Bikes Stay Up?

809 views / 1 likes - added 8 years ago

Thanks to littlebits.com for sponsoring this video – use promo code MinutePhysics for $20 off A HUGE thanks to Wren Weichman (@wrenthereaper) for helping with the 3D bike animation, Michael Aranda for drone photography, Pavel for dowsing and Melissa
03:08 Popular
Should We Let Pandas Go Extinct?

1,028 views / 5 likes - added 8 years ago

Thanks to http://www.harrys.com for supporting this video. Use the coupon code MINUTEEARTH for $5 off your order! http://www.harrys.com Thanks to our Patreon patrons: - @AntoineCoeur - Nicholas Buckendorf - Nasser Hamed Alminji - Jeff Straathof - Mark - f
03:08 Popular
Gingerbread Houses | How It's Made

913 views / 2 likes - added 8 years ago

From the mixing of the dough, pressing of the house shapes and initial assembly, we go inside how Gingerbread Houses are made. Decorations are included for the customer to finish the build. | http://www.sciencechannel.com/tv-shows/how-its-made/ Catch HOW
10:55 Popular
Autoionization Of Water

745 views / 0 likes - added 8 years ago

Autoionization of water into hydronium and hydroxide ions
09:48 Popular
COLD HARD SCIENCE.The Physics Of Skating On Ice (With SlowMo) - Smarter Every Day 110

722 views / 2 likes - added 8 years ago

Tweet this: http://bit.ly/IcePhysics -- FB it: http://bit.ly/IcePhys Download a free Audio book: http://bit.ly/AudibleSED Infographics are Here: http://smartereveryday.tumblr.com/ Figure skate, Hockey skate, and blade diagram Graphics by Kelly Richard. ht
06:55 Popular
Beatboxing In Slow Motion - Smarter Every Day 109

882 views / 3 likes - added 8 years ago

Tweet this video: http://bit.ly/SlowMoBeatboxing Post to Facebook: http://bit.ly/SlowMoBeatbox Click to View Flula's SlowMo Video: http://bit.ly/FlulaLips ⇊⇊⇊ More info: ⇊⇊⇊ My favorite Flula Video: http://bit.ly/FLULACars It's pretty clear to me that Flu
07:05
Why Are Bugs Attracted To Light? - Smarter Every Day 103

633 views / 1 likes - added 8 years ago

Download your free Audio Book Here: http://bit.ly/AudibleSED Seriously... it's a pretty cool way to support my video making habit. ⇊ Click to Expand! ⇊ Filmed on location in the Rainforests of Eastern Peru. I was on a tour run by Rainforest Expeditions (h
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04:41 Popular
How To Upload Your Mind

724 views / 2 likes - added 8 years ago

Uploading your mind to a computer might one day let humans cheat death. The technology’s a long way off, but researchers are working on closing that gap. This episode was brought to you and inspired by the movie Self/less. Self/less trailer: https://www.y
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01:47 Popular
Why Does Music Make Us Feel?

905 views / 2 likes - added 8 years ago

"Music is the wallpaper of our minds" - Jamie Wheal Subscribe now! http://www.youtube.com/subscription_center?add_user=shotsofawe Join Jason Silva every week as he freestyles his way into the complex systems of society, technology and human existence and
02:03 Popular
Captains Of Spaceship Earth

960 views / 0 likes - added 8 years ago

Media is a tool that can program and reprogram the human bio-computer. Stories pattern the imagination. Language helps us think about our thinking. Cinema can open up new vistas for our minds. These new tools give us new "spaces of possibility" to explore
02:25
Physical Vs Digital Existence

619 views / 0 likes - added 8 years ago

“We're post-geographical beings, attentional proximity has been decoupled from physical proximity, collapsing geography.” Join Jason Silva every week as he freestyles his way into the complex systems of society, technology and human existence and discusse
01:39 Popular
The Power Of Sunsets

1,157 views / 3 likes - added 8 years ago

"Attention, if sudden and close, graduates into surprise; and this into astonishment; and this into stupefied amazement." - Darwin Join Jason Silva every week as he freestyles his way into the complex systems of society, technology and human existence and
02:06 Popular
We Don't Cry Because We're Sad

1,001 views / 1 likes - added 8 years ago

"The moment we cry in a film is not when things are sad but when they turn out to be more beautiful than we expected them to be." - Alain de Button More from Alain de Button http://alaindebotton.com Why Do We Cry When We Are Happy? https://www.psychologyt
02:37 Popular
Cooking Made Us Human

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

“Clearly, we are self-made. We are the first technology. We are part inventor and part the invented” - Kevin Kelly Kevin Kelly We Are The Creators and We Are The Created. http://kk.org Andy Clark Natural Born Cyborgs http://www.amazon.com/Natural-Born-Cyb
02:13
We Need To Be Lost To Find Ourselves

516 views / 0 likes - added 8 years ago

"Artists are uniquely placed to ... creatively participate in the larger cultural process of re-engineering subjectivity, of pushing the envelope of experience." - Erik Davis Tell us what you think! Take our survey: http://testtube.com/shotsofawe/survey E
02:07
The Power Of Ideas

521 views / 0 likes - added 8 years ago

"Just as the biosphere stands above the world of nonliving matter, so an 'abstract kingdom' rises above the biosphere. The denizens of this kingdom? Ideas" Tell us what you think! Take the survey: http://testtube.com/shotsofawe/survey Tom Tobbins http://e
09:16 Popular
Quantum Entanglement & Spooky Action At A Distance

870 views / 0 likes - added 8 years ago

Does quantum entanglement make faster-than-light communication possible? What is NOT random? http://bit.ly/NOTrandoVe First, I know this video is not easy to understand. Thank you for taking the time to attempt to understand it. I've been working on this
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01:16 Popular
Instant Freeze Water - Sick Science! #226

968 views / 0 likes - added 8 years ago

Check out cool science kits and toys: www.stevespanglerscience.com See the full experiment here: http://www.stevespanglerscience.com/lab/experiments/instant-freeze-soda-ice It might have happened to you... You put a bottle of soda in the freezer for a few
02:11
Sugar Crystal Ornaments - Sick Science! #220

648 views / 0 likes - added 8 years ago

Check out cool science kits and toys: www.stevespanglerscience.com See the full experiment here: http://www.stevespanglerscience.com/lab/experiments/sugar-crystal-ornaments Sugar is delicious, sweet and… perfect for creating colorful, beautiful ornaments?
01:45 Popular
Brown Sugar Homemade Ice Cream - Sick Science! #217

946 views / 2 likes - added 8 years ago

Check out cool science kits and toys: http://www.stevespanglerscience.com/ See the full experiment here: http://www.stevespanglerscience.com/lab/experiments/brown-sugar-homemade-ice-cream Food always tastes better when it’s homemade, and the same is true
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01:49 Popular
Sugar Cube Magic - Sick Science! #216

1,760 views / 3 likes - added 8 years ago

See the full experiment here: http://www.stevespanglerscience.com/lab/experiments/sugar-cube-magic Check out cool science kits and toys: http://www.stevespanglerscience.com/ You’ve let your friend in on a secret: you bought some magical Imperial Sugar or
03:50
What To Eat To End A Fast | Fasting & Cleanses

698 views / 0 likes - added 8 years ago

Watch more How to Detox videos: http://www.howcast.com/videos/516349-What-to-Eat-to-End-a-Fast-Fasting-and-Cleanses Find out what you should eat to end a fast in this Howcast video featuring nutritionist Natalia Rose. Hi, I'm Natalia Rose and today we're
03:21 Popular
Why Do Some Species Thrive In Cities?

714 views / 1 likes - added 8 years ago

Urban development can be tough on wildlife. But some plants and animals are adapting to our cities in surprising ways. Thanks to squarespace.com for supporting this video. Go build a website! http://www.squarespace.com/minuteearth (use your 10% discount c
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04:32
Containing A Smelly Sulfur Experiment - Periodic Table Of Videos

571 views / 0 likes - added 8 years ago

The Professor shows us a contraption for containing a reaction between two sulfur compounds - sulfur dioxide and hydrogen sulphide. Sulfur, aka Sulphur. Sulfur Playlist: https://www.youtube.com/playlist?list=PL9eEsN9D48memJ6w9zbZyslXXO51UjC4S Hello Intern
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07:16 Popular
Should This Lake Exist?

769 views / 2 likes - added 8 years ago

The Salton Sea is the largest body of water in California, home to the second most diverse group of birds in America and it exists by accident. Another great video on the Salton Sea: https://youtu.be/otIU6Py4K_A I used archive from this video. Music by Ke
02:06 Popular
What Is Creativity?

842 views / 0 likes - added 8 years ago

"a great artist is but a conduit for an expression that resonates with something that is greater than him or herself" Khalil Gibran “Your children are not your children. They are the sons and daughters of Life's longing for itself.” http://www.katsandogz.
06:20 Popular
The Death Of Bees Explained – Parasites, Poison And Humans

1,385 views / 6 likes - added 8 years ago

In 2015 the bees are still dying in masses. Which at first seems not very important until you realize that one third of all food humans consume would disappear with them. Millions could starve. The foes bees face are truly horrifying – some are a direct c
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04:21 Popular
3 Reasons Why Nuclear Energy Is Awesome! 3/3

1,671 views / 3 likes - added 8 years ago

Nuclear energy might have a lot of unused potential. Not only is it one of the best mid term solutions for global warming bit despite what gut feeling tells us, it has saved millions of lives. By investing more into better technologies we might be able to
04:10 Popular
3 Reasons Why Nuclear Energy Is Terrible! 2/3

1,128 views / 3 likes - added 8 years ago

Nuclear energy might be a failed experiment. In over sixty years the technology has not only failed to keep its promise of cheap, clean and safe energy, it also caused major catastrophes and enabled more nuclear weapons while the nuclear waste problem is
05:18 Popular
Nuclear Energy Explained: How Does It Work? 1/3

1,118 views / 1 likes - added 8 years ago

Nuclear Energy Explained: How does it work? Nuclear Energy is a controversial subject. The pro- and anti-nuclear lobbies fight furiously, and it's difficult to decide who is right. So we're trying to clear up the issue - in this video we discuss how we go
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02:03 Popular
The Ultimate Conspiracy Debunker

797 views / 0 likes - added 8 years ago

Most Conspiracy Theories are stupid. By the power of the internet they spread like wildfire and often poison discussions. But there is hope – we developed a way to debunk conspiracies in just a few seconds… You can get the MUSIC of the video here: https:/
05:57 Popular
What Is Life? Is Death Real?

998 views / 1 likes - added 8 years ago

So what is the difference between you and a rock? This seems like an easy, even stupid question. But even the smartest people on earth have no idea where to draw the line between living and dead things. Which leads to mind-blowing implications. What is li
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05:46 Popular
Is War Over? — A Paradox Explained

1,256 views / 6 likes - added 8 years ago

We live in the most peaceful time in human history. Wait, what? Seriously? That can't be right, there are more wars than ever! Well, no and they're killing fewer and fewer people, even though the world population is at an all-time high...and the numbers p

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