Search Results: "Malé"

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08:13
Thomas Malthus and Population Growth

679 views / 1 likes - added 9 years ago

Thomas Malthus's views on population. Malthusian limits. More free lessons at: http://www.khanacademy.org/video?v=r1ywppAJ1xs
05:56
Normal and Inferior Goods

528 views / 0 likes - added 9 years ago

How the demand for some goods could actually go down if incomes go up More free lessons at: http://www.khanacademy.org/video?v=wYuAwm-5-Bk
05:19
Inferior Goods Clarification

538 views / 1 likes - added 9 years ago

More clarification on inferior and normal goods More free lessons at: http://www.khanacademy.org/video?v=TAhRoJB34nw
09:24
Optimal Point on Budget Line

615 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
05:49
Types of Indifference Curves

527 views / 0 likes - added 9 years ago

Indifference curves for normal goods, substitutes and perfect complements More free lessons at: http://www.khanacademy.org/video?v=kJ43GdU5Uzc
05:57
Monopolist Optimizing Price (part 3)- Dead Weight Loss.avi

459 views / 0 likes - added 9 years ago

Showing that what is optimal for the monopolist is not optimal for society More free lessons at: http://www.khanacademy.org/video?v=daxL1ZLrUzg
09:20
Game Theory of Cheating Firms

693 views / 0 likes - added 9 years ago

Pareto Optimality and more on Nash Equilibrium. Seeing how cheating duopolists parallels the prisoners dilemma More free lessons at: http://www.khanacademy.org/video?v=XTMbRDRaviM
06:00
Negative Externalities

501 views / 0 likes - added 9 years ago

Taking negative externalities into account when thinking about the optimal equilibrium price and quantity More free lessons at: http://www.khanacademy.org/video?v=nBw6KvU51BE
08:55 Popular
Blood Sugar Levels

816 views / 0 likes - added 9 years ago

Normal and elevated blood sugar levels before (preprandia) and after (postprandial) a meal More free lessons at: http://www.khanacademy.org/video?v=JSFiOF7xGfE
13:14
Scale of the Small

690 views / 0 likes - added 9 years ago

From honey bees to cells, virus, and atoms -- understanding the scale of the very small More free lessons at: http://www.khanacademy.org/video?v=ERKx3Oa2omo
10:26 Popular
IIT JEE Perpendicular Planes (Part 1)

826 views / 1 likes - added 9 years ago

2010 IIT JEE Paper 1 #30 normal vector and planes (Part 1) More free lessons at: http://www.khanacademy.org/video?v=2u535-HVJ_o
08:05
IIT JEE Perpendicular Plane (part 2)

674 views / 0 likes - added 9 years ago

2010 IIT JEE Paper 1 #30 normal vector and planes (Part 2) More free lessons at: http://www.khanacademy.org/video?v=66pQLO--Ghk
09:58
Normal vector from plane equation

675 views / 0 likes - added 9 years ago

Figuring out a normal vector to a plane from its equation More free lessons at: http://www.khanacademy.org/video?v=gw-4wltP5tY
08:58
A Universe Smaller than the Observable

465 views / 0 likes - added 9 years ago

A Universe Smaller than the Observable More free lessons at: http://www.khanacademy.org/video?v=0w9R_foNLrg
13:17
Collective Learning

556 views / 0 likes - added 9 years ago

How symbolic language drives collective learning and how this is one of the truly differentiating aspects of human beings relative to the rest of the animal kingdom More free lessons at: http://www.khanacademy.org/video?v=NqR_dtZu4Mo
11:30
Ordering Numeric Expressions

569 views / 0 likes - added 9 years ago

Converting percentages and fractions to decimals to order numbers
09:23
Ordering numeric expressions

460 views / 0 likes - added 9 years ago

Ordering numbers expressed as decimals, fractions, and percentages More free lessons at: http://www.khanacademy.org/video?v=Llt-KkHugRQ
04:00
Decimal Place Value

545 views / 0 likes - added 9 years ago

U03_L1_T1_we1 Decimal Place Value More free lessons at: http://www.khanacademy.org/video?v=x-Dqe5U1TXA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
03:31
Decimal Place Value 2

498 views / 0 likes - added 9 years ago

U03_L1_T1_we2 Decimal Place Value 2 More free lessons at: http://www.khanacademy.org/video?v=AuD2TX-90Cc Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:42
Decimals and Fractions

513 views / 0 likes - added 9 years ago

U03_L1_T1_we3 Decimals and Fractions More free lessons at: http://www.khanacademy.org/video?v=NzIoHQfStoM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:17
Converting Fractions to Decimals Example

678 views / 0 likes - added 9 years ago

u03_l1_t1_we4 Converting Fractions to Decimals More free lessons at: http://www.khanacademy.org/video?v=Y1V5mZaMfTk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
01:29 Popular
Comparing Decimals

786 views / 0 likes - added 9 years ago

U03_L1_T2_we1 Comparing Decimals More free lessons at: http://www.khanacademy.org/video?v=HCC96awA-FM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
01:26 Popular
Rounding Decimals

781 views / 0 likes - added 9 years ago

U03_L1_T2_we2 Rounding Decimals More free lessons at: http://www.khanacademy.org/video?v=_MIn3zFkEcc Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
01:40
Decimals on a Number Line

584 views / 0 likes - added 9 years ago

u03_l1_t2_we3 Decimals on a Number Line More free lessons at: http://www.khanacademy.org/video?v=LpLnmuAyNWg Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:08
Comparing Decimals 4

561 views / 0 likes - added 9 years ago

u03_l1_t2_we4 Comparing Decimals More free lessons at: http://www.khanacademy.org/video?v=FwMYoK1QKso
02:45
Adding Decimals

650 views / 0 likes - added 9 years ago

U03_L2_T1_we1 Adding Decimals More free lessons at: http://www.khanacademy.org/video?v=w616LEmrHVE Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:09
Subtracting Decimals

433 views / 0 likes - added 9 years ago

U03_L2_T1_we2 Subtracting Decimals More free lessons at: http://www.khanacademy.org/video?v=Eq4mVCd-yyo Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:19
Subtracting Decimals Word Problem

532 views / 0 likes - added 9 years ago

U03_L2_T1_we3 Subtracting Decimals Word Problem More free lessons at: http://www.khanacademy.org/video?v=hy_bDS3aHO4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:53
Multiplying Decimals

684 views / 1 likes - added 9 years ago

U03_L2_T2_we1 Multiplying Decimals More free lessons at: http://www.khanacademy.org/video?v=JEHejQphIYc Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
03:47 Popular
Multiplying a Decimal by a Power of 10

745 views / 0 likes - added 9 years ago

u3_l2_t2_we2 Multiplying a Decimal by a Power of 10 More free lessons at: http://www.khanacademy.org/video?v=mV0RxDZG05A Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
05:32 Popular
Dividing Decimals

702 views / 1 likes - added 9 years ago

U03_L2_T2_we3 Dividing Decimals More free lessons at: http://www.khanacademy.org/video?v=Nqts8zW8RxM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
03:18
Dividing a Decimal by a Power of 10

474 views / 0 likes - added 9 years ago

u3_l2_t2_we4 Dividing a Decimal by a Power of 10 More free lessons at: http://www.khanacademy.org/video?v=W_VhVHRal6o Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
01:51
Dividing Decimals 2.1

555 views / 0 likes - added 9 years ago

U03_L2_T2_we4.1 Dividing Decimals 2.1 More free lessons at: http://www.khanacademy.org/video?v=HLGCq2h4ihY Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:32
Mulitplyling Decimals 3

543 views / 1 likes - added 9 years ago

U03_L2_T2_we5 Mulitplyling Decimals 3 More free lessons at: http://www.khanacademy.org/video?v=W7dImsrVa0Y Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
03:01
Estimation with Decimals

538 views / 0 likes - added 9 years ago

U03_L2_T3_we1 Estimation with Decimals Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
03:32 $Representing a number as a decimal, percent, and fraction$
Representing a number as a decimal, percent, and fraction

495 views / 0 likes - added 9 years ago

U05_L1_T1_we3 Representing a number as a decimal, percent, and fraction More free lessons at: http://www.khanacademy.org/video?v=-gB1y-PMWfs Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
05:25 $Representing a number as a decimal, percent, and fraction 2$
Representing a number as a decimal, percent, and fraction 2

599 views / 0 likes - added 9 years ago

U05_L1_T1_we4 Representing a number as a decimal, percent, and fraction 2 More free lessons at: http://www.khanacademy.org/video?v=Hkwfibux88s Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
09:44
The Mole and Avogadro's Number

618 views / 0 likes - added 9 years ago

Introduction to the idea of a mole as a number (vs. an animal) More free lessons at: http://www.khanacademy.org/video?v=AsqEkF7hcII
13:56
More rigorous Gibbs Free Energy/ Spontaneity Relationship

514 views / 0 likes - added 9 years ago

More formal understanding of why a negative change in Gibbs Free Energy implies a spontaneous, irreversible reaction. More free lessons at: http://www.khanacademy.org/video?v=7aur5h44pV4
26:04 Popular
Normal Distribution Excel Exercise

1,623 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
26:24
Introduction to the Normal Distribution

638 views / 0 likes - added 9 years ago

Exploring the normal distribution More free lessons at: http://www.khanacademy.org/video?v=hgtMWR3TFnY
10:53
ck12.org Normal Distribution Problems: Qualitative sense of normal distributions

669 views / 0 likes - added 9 years ago

Discussion of how "normal" a distribution might be More free lessons at: http://www.khanacademy.org/video?v=79duxPXpyKQ
07:48
ck12.org Normal Distribution Problems: z-score

695 views / 0 likes - added 9 years ago

Z-score practice More free lessons at: http://www.khanacademy.org/video?v=Wp2nVIzBsE8
10:25 Popular
ck12.org Normal Distribution Problems: Empirical Rule

924 views / 0 likes - added 9 years ago

Using the empirical rule (or 68-95-99.7 rule) to estimate probabilities for normal distributions More free lessons at: http://www.khanacademy.org/video?v=OhRr26AfFBU
08:16 Popular
ck12.org Exercise: Standard Normal Distribution and the Empirical Rule

888 views / 0 likes - added 9 years ago

Using the Empirical Rule with a standard normal distribution More free lessons at: http://www.khanacademy.org/video?v=2fzYE-Emar0
11:11 Popular
Small Sample Size Confidence Intervals

719 views / 0 likes - added 9 years ago

Constructing small sample size confidence intervals using t-distributions More free lessons at: http://www.khanacademy.org/video?v=K4KDLWENXm0
09:04
Small Sample Hypothesis Test

664 views / 0 likes - added 9 years ago

Small Sample Hypothesis Test More free lessons at: http://www.khanacademy.org/video?v=D2sMsmL0ScQ
11:47
T-Statistic Confidence Interval

664 views / 0 likes - added 9 years ago

T-Statistic Confidence Interval (for small sample sizes) More free lessons at: http://www.khanacademy.org/video?v=hV4pdjHCKuA
13:53
Defining a plane in R3 with a point and normal vector

685 views / 0 likes - added 9 years ago

Determining the equation for a plane in R3 using a point on the plane and a normal vector More free lessons at: http://www.khanacademy.org/video?v=UJxgcVaNTqY
16:02 Popular
A more formal understanding of functions

761 views / 0 likes - added 9 years ago

A more formal understanding of functions More free lessons at: http://www.khanacademy.org/video?v=BQMyeQOLvpg
19:12 Popular
Lin Alg: Unique rowspace solution to Ax=b

717 views / 0 likes - added 9 years ago

Showing that, for any b that is in the column space of A, there is a unique member of the row space that is the "smallest" solution to Ax=b More free lessons at: http://www.khanacademy.org/video?v=czIYvs9zj2g
11:16
Linear Algebra: Introduction to Orthonormal Bases

658 views / 0 likes - added 9 years ago

Looking at sets and bases that are orthonormal -- or where all the vectors have length 1 and are orthogonal to each other. More free lessons at: http://www.khanacademy.org/video?v=7BFx8pt2aTQ
15:28 Popular
Linear Algebra: Coordinates with respect to orthonormal bases

759 views / 0 likes - added 9 years ago

Seeing that orthonormal bases make for good coordinate systems More free lessons at: http://www.khanacademy.org/video?v=SWbis2zWIvo
16:14
Lin Alg: Projections onto subspaces with orthonormal bases

663 views / 0 likes - added 9 years ago

Projections onto subspaces with orthonormal bases More free lessons at: http://www.khanacademy.org/video?v=we829K4NOq8
06:42
Lin Alg: Finding projection onto subspace with orthonormal basis example

659 views / 0 likes - added 9 years ago

Example of finding the transformation matrix for the projection onto a subspace with an orthonormal basis More free lessons at: http://www.khanacademy.org/video?v=SUoqA9srY1Q
19:24
Linear Algebra: The Gram-Schmidt Process

654 views / 0 likes - added 9 years ago

Finding an orthonormal basis for a subspace using the Gram-Schmidt Process More free lessons at: http://www.khanacademy.org/video?v=rHonltF77zI
13:14
Linear Algebra: Gram-Schmidt Process Example

642 views / 0 likes - added 9 years ago

Using Gram-Schmidt to find an orthonormal basis for a plane in R3 More free lessons at: http://www.khanacademy.org/video?v=tu1GPtfsQ7M
05:50
Optimal angle for a projectile part 1

443 views / 0 likes - added 9 years ago
04:12
Optimal angle for a projectile part 2 - Hangtime

540 views / 0 likes - added 9 years ago

Optimal angle for a projectile part 2 - Hangtime More free lessons at: http://www.khanacademy.org/video?v=XtAB9GOfLiM
02:39 Popular
Optimal angle for a projectile part 3 - Horizontal distance as a function of angle (and speed)

1,241 views / 0 likes - added 9 years ago

Horizontal distance as a function of angle (and speed) More free lessons at: http://www.khanacademy.org/video?v=-h_x8TwC1ik
10:41
Optimal angle for a projectile part 4 Finding the optimal angle and distance with a bit of calculu

464 views / 0 likes - added 9 years ago
07:18
Normal Force and Contact Force

586 views / 0 likes - added 9 years ago

The force that keeps a block of ice from falling towards the center of the earth More free lessons at: http://www.khanacademy.org/video?v=1WOrgrIcQZU
11:49
Normal Force in an Elevator

539 views / 0 likes - added 9 years ago

How the normal force changes when an elevator accelerates More free lessons at: http://www.khanacademy.org/video?v=hoRsHNSrMpc
12:12 Popular
Introduction to Astronomy: Crash Course Astronomy #1

714 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
10:17 Popular
Introduction to the Solar System: Crash Course Astronomy #9

976 views / 1 likes - added 9 years ago

In today's Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we went from a giant ball of gas to the system of planets and other celestial objects we have today. This episode is sponsored by Squaresp
12:55 Popular
Asian Responses to Imperialism: Crash Course World History #213

799 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
12:31 Popular
The Railroad Journey and the Industrial Revolution: Crash Course World History 214

737 views / 2 likes - added 9 years ago

In which John Green teaches you about railroads, and some of the ways they changed the world, and how they were a sort of microcosm for the Industrial Revolution as a whole. Prior to the invention of steam powered railroads, pretty much all locomotion had
12:51 Popular
Population, Sustainability, and Malthus: Crash Course World History 215

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

In which John Green teaches you about population. So, how many people can reasonably live on the Earth? Thomas Malthus got it totally wrong in the 19th century, but for some reason, he keeps coming up when we talk about population. In 1800, the human popu
10:41 Popular
To Sleep, Perchance to Dream - Crash Course Psychology #9

1,309 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 Power of Motivation: Crash Course Psychology #17

1,011 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
The Growth of Knowledge: Crash Course Psychology #18

1,032 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.
12:41 Popular
Who Won the American Revolution?: Crash Course US History #7

1,034 views / 1 likes - added 9 years ago

In which John Green teaches you about the American Revolution. And the Revolutionary War. I know we've labored the point here, but they weren't the same thing. In any case, John will teach you about the major battles of the war, and discuss the strategies
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13:19 Popular
Thomas Jefferson&His Democracy: Crash Course US History #10

874 views / 3 likes - added 9 years ago

In which John Green teaches you about founding father and third president of the United States, Thomas Jefferson. Jefferson is a somewhat controversial figure in American history, largely because he, like pretty much all humans, was a big bundle of contra
14:11 Popular
The Market Revolution: Crash Course US History #12

780 views / 0 likes - added 9 years ago

In which John Green teaches you about the Market Revolution. In the first half of the 19th century, the way people lived and worked in the United States changed drastically. At play was the classic (if anything in a 30 year old nation can be called classi
05:28 Popular
History of the 4th of July: Crash Course US History Special

817 views / 3 likes - added 9 years ago

In which John Green teaches you a bit about the 4th of July. In this special short Crash Course, John celebrates American Independence Day by teaching you how the holiday came to be on the 4th of July, and the many ways that Americans celebrate the day. T
13:24
Ford, Carter, and the Economic Malaise: Crash Course US History #42

651 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
13:53 Popular
George HW Bush and the End of the Cold War: Crash Course US History #44

946 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
12:24 Popular
Ghosts, Murder, and More Murder - Hamlet Part I: Crash Course Literature 203

849 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
11:35 Popular
Eukaryopolis - The City of Animal Cells: Crash Course Biology #4

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

Hank tells us about the city of Eukaryopolis - the animal cell that is responsible for all the cool things that happen in our bodies. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/CrashCourse-Biology-The-Complete-Series-DVD-Se
10:28 Popular
Plant Cells: Crash Course Biology #6

1,482 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
14:08 Popular
DNA, Hot Pockets,&The Longest Word Ever: Crash Course Biology #11

1,116 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
12:45 Popular
Natural Selection - Crash Course Biology #14

2,010 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

860 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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10:57 Popular
Evolutionary Development: Chicken Teeth - Crash Course Biology #17

1,059 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
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12:16 Popular
Taxonomy: Life's Filing System - Crash Course Biology #19

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

Hank tells us the background story and explains the importance of the science of classifying living things, also known as taxonomy. Crash Course Biology is now available on DVD! http://dft.ba/-8css Like CrashCourse on Facebook: http://www.facebook.com/You
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08:51 Popular
Comparative Anatomy: What Makes Us Animals - Crash Course Biology #21

1,747 views / 0 likes - added 9 years ago

Hank introduces us to comparative anatomy, which studies the similarities and differences in animal anatomy to support the theory of evolution and the shared ancestry of living things. Crash Course Biology is now available on DVD! http://dft.ba/-8css Like
11:31 Popular
Simple Animals: Sponges, Jellies,&Octopuses - Crash Course Biology #22

831 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
13:15
Complex Animals: Annelids&Arthropods - CrashCourse Biology #23

675 views / 0 likes - added 9 years ago

Hank continues our exploration of animal phyla with the more complexly organized annelida and arthropoda, and a biolography on insects. Crash Course Biology is now available on DVD! http://dft.ba/-8css Like CrashCourse on Facebook: http://www.facebook.com
12:10 Popular
Chordates - CrashCourse Biology #24

1,616 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

1,129 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

2,196 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
11:53 Popular
The Digestive System: CrashCourse Biology #28

1,057 views / 6 likes - added 9 years ago

Hank takes us through the bowels of the human digestive system and explains why it's all about surface area. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like Crash Course? http://www.facebook.com/youtubecrashcourse Follow Crash Cours
12:21 Popular
The Excretory System: From Your Heart to the Toilet - CrashCourse Biology #29

1,272 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
13:11 Popular
The Skeletal System: It's ALIVE! - CrashCourse Biology #30

1,286 views / 1 likes - added 9 years ago

Hank introduces us to the framework of our bodies, our skeleton, which apart from being the support and protection for all our fleshy parts, is involved in many other vital processes that help our bodies to function properly. Crash Course Biology is now a
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15:02 Popular
Your Immune System: Natural Born Killer - Crash Course Biology #32

902 views / 0 likes - added 9 years ago

Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCour
11:21 Popular
Great Glands - Your Endocrine System: CrashCourse Biology #33

1,180 views / 1 likes - added 9 years ago

Hank fills us in on the endocrine system - the system of glands which produce and secrete different types of hormones directly into the bloodstream to regulate the body's growth, metabolism, and sexual development&function. Like CrashCourse on Facebook: h
12:17 Popular
Old&Odd: Archaea, Bacteria&Protists - CrashCourse Biology #35

826 views / 1 likes - added 9 years ago

Hank veers away from human anatomy to teach us about the (mostly) single-celled organisms that make up two of the three taxonomic domains of life, and one of the four kingdoms: Archaea, Bacteria, and Protists. They are by far the most abundant organisms o
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The Lives of Nonvascular Plants: Alternation of Generations - Crash Course Biology #36

1,373 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
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Vascular Plants = Winning! - Crash Course Biology #37

1,082 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
10:24 Popular
The Plants&The Bees: Plant Reproduction - CrashCourse Biology #38

1,699 views / 0 likes - added 9 years ago

Hank gets into the dirty details about vascular plant reproduction: they use the basic alternation of generations developed by nonvascular plants 470 million years ago, but they've tricked it out so that it works a whole lot differently compared to the wa
10:26 Popular
Ecology - Rules for Living on Earth: Crash Course Biology #40

2,192 views / 0 likes - added 9 years ago

Hank introduces us to ecology - the study of the rules of engagement for all of us earthlings - which seeks to explain why the world looks and acts the way it does. The world is crammed with things, both animate and not, that have been interacting with ea
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10:31 Popular
Mansa Musa and Islam in Africa: Crash Course World History #16

866 views / 0 likes - added 9 years ago

In which John Green teaches you about Sub-Saharan Africa! So, what exactly was going on there? It turns out, it was a lot of trade, converting to Islam, visits from Ibn Battuta, trade, beautiful women, trade, some impressive architecture, and several empi
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Wait For It...The Mongols!: Crash Course World History #17

969 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
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Russia, the Kievan Rus, and the Mongols: Crash Course World History #20

736 views / 0 likes - added 9 years ago

In which John Green teaches you how Russia evolved from a loose amalgamation of medieval principalities known as the Kievan Rus into the thriving democracy we know today. As you can imagine, there were a few bumps along the road. It turns out, our old fri
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The Columbian Exchange: Crash Course World History #23

1,026 views / 0 likes - added 9 years ago

In which John Green teaches you about the changes wrought by contact between the Old World and the New. John does this by exploring the totally awesome history book "The Columbian Exchange" by Alfred Cosby, Jr. After Columbus "discovered" the Americas, Eu
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Archdukes, Cynicism, and World War I: Crash Course World History #36

1,173 views / 1 likes - added 9 years ago

In which John Green teaches you about the war that was supposed to end all wars. Instead, it solved nothing and set the stage for the world to be back at war just a couple of decades later. As an added bonus, World War I changed the way people look at the
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Globalization I - The Upside: Crash Course World History #41

781 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
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Sesame Street: Jonah Hill Learns the Word, Empty

664 views / 0 likes - added 9 years ago

There are no pretzels left in the pretzel bowl. There is no water left in the glass, and there are no wild animals in the cage. The bowl, the glass, and the cage are all empty. Fortunately, Jonah Hill and Murray have a box full of crayons to keep the wild
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Sesame Street: Gina Adopts a Baby (Part Two)

998 views / 0 likes - added 9 years ago

Gina's back from Guatemala with a baby! Alan and Gordon built a crib for the baby so he can make Sesame Street his home. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet You can catch Sesame Str
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Sesame Street: Super Grover Helps a Duck to a Party

973 views / 0 likes - added 9 years ago

This little ducky got all dolled up for a party, but poor little Ducky didn't realize the party was across the stream. She didn't want to get her fancy party shoes all wet and she was too small to fly across the stream, so she called for the help of Super
02:24
Sesame Street: Strenuous with Wendi and Elmo

609 views / 1 likes - added 9 years ago

Wendi McLendon-Covey and Elmo are tough. They ran around, lifted a heavy rock, and played tug-of-war with one of the world's strongest animals. What makes something strenuous? Wendi and Elmo can tell you - activities that require a ton of energy and hard
05:52 Popular
Sesame Street: Jealous (Word on the Street Podcast)

811 views / 0 likes - added 9 years ago

Jealous is a strong feeling you have when you want something that someone else has. Maybe its that ball that your neighbor has, or the blue toothbrush your older brother has, maybe you're jealous of your dad's mustache! It's normal to feel jealous, but it
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Sesame Street: Maya Angelou's Favorite Things

978 views / 1 likes - added 9 years ago

Some of Maya Angelou's favorite things were mangoes and marshmallows and moose. She also liked writing memoirs. Mangoes, marshmallows, moose, and memoir all start with the letter M. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subsc
00:45 Popular
Sesame Street: "Elmo's World: All About Animals" Preview

1,009 views / 1 likes - added 9 years ago

Elmo loves animals. Join Sesame Street's red monster and his special friend Dorothy as they explore wild animals, pets, and more! Over 2 hours of Elmo's World! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_use
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Sesame Street: Troy Polamalu talks Fragrance with Elmo

455 views / 0 likes - added 9 years ago

Do skunks have a fragrance? Do onions? gym socks? What about Troy Polamalu's curly locks of hair that he washed with strawberry conditioner? Troy and Elmo discuss the word fragrance. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subs
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Sesame Street: Sand Animals Sing a Song

1,267 views / 0 likes - added 9 years ago

Sand animals sing, sing a song Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe, child-friendly environment, visit us at http://www.s
01:27 Popular
Sesame Street: Tropical Five

780 views / 0 likes - added 9 years ago

Count to five with tropical animals and fruits! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe, child-friendly environment, visit u
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Sesame Street Explores National Parks: Grand Canyon National Park - Seasons

649 views / 2 likes - added 9 years ago

Learn about seasons with Ranger Amala. Sesame Street Explores National Parks is produced in partnership with the National Park Service and the National Park Foundation. Special thanks to Grand Canyon National Park and Gateway National Recreation Area. Sub
04:43
Sesame Street Explores National Parks: Grand Canyon National Park -- Habitats

700 views / 1 likes - added 9 years ago

Learn about habitats with Ranger Amala. Sesame Street Explores National Parks is produced in partnership with the National Park Service and the National Park Foundation. Special thanks to Grand Canyon National Park and Gateway National Recreation Area. Su
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Sesame Street Explores National Parks: Grand Canyon National Park -- Families

571 views / 0 likes - added 9 years ago

Learn about animal families with Ranger Amala. Sesame Street Explores National Parks is produced in partnership with the National Park Service and the National Park Foundation. Special thanks to Grand Canyon National Park and Gateway National Recreation A
05:05 Popular
Sesame Street: Bert and Ernie's Great Adventures -- Maltese Ducky

793 views / 1 likes - added 9 years ago

Bert and Ernie are Duck Detectives who must solve the mystery of the missing quack. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe,
02:01 Popular
Sesame Street: Sesame Street's Search for a New Hispanic Neighbor -- Part Two

862 views / 0 likes - added 9 years ago

Someone new is moving to Sesame Street! Join us for this three part series that chronicles our journey to find the newest addition to the neighborhood. Part two features the small group actors who were called back for the second round of auditions. Subscr
26:38 Popular
American Soul: The DuSable Museum of African-American History

880 views / 0 likes - added 9 years ago

Founded in 1961, the DuSable is one of the first African-American museums in the U.S. It follows African-American history from its beginning on the shores of Africa to a celebration of African-American achievements including those of Bessie Coleman, the n
56:43 Popular
Wild Thing: The Smithsonian National Zoo

948 views / 2 likes - added 9 years ago

As part of its mission to "advance research and scientific knowledge in conserving wildlife and to teach and inspire people to protect wildlife, natural resources, and habitats," scientists at the National Zoo breed endangered species for the purpose of r
01:25
The National Racing Museum (webisode)

562 views / 0 likes - added 9 years ago

Great Museums TV presents a preview clip of The National Museum of Racing and Thoroughbred Hall of Fame, located in Saratoga Springs, NY. This episode aired on public television stations across the nation. Click on http://greatmuseums.org for more informa
02:56 Popular
End of Time - Pentatonix (Beyonce Cover)

815 views / 0 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:
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We Are Young - Pentatonix (Fun Cover)

641 views / 1 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
08:06
FROZEN MEDLEY (feat. Kirstie Maldonado)

686 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
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Math Antics - Fractions and Decimals

3,255 views / 12 likes - added 9 years ago

Learn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
06:44 Popular
Math Antics - Convert any Fraction to a Decimal

1,837 views / 2 likes - added 9 years ago

http://www.mathantics.com Here is the video mentioned about converting Base-10 fractions: http://www.youtube.com/watch?v=_jcW-ZgpRbM Here is the video mentioned about decimal numbers: http://www.youtube.com/watch?v=Mst8iZjIpFE And here is the video mentio
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02:16 Popular
Only The Strong Survive: Dinosaurs BATTLE

814 views / 0 likes - added 9 years ago

When it's mating season, only the strongest survive when two males compete for the affection of a prized female. Watch the whole playlist of dinosaur videos here: http://www.youtube.com/watch?v=sW4p6vzviKQ&list=PLfpPYJH6OjtZGZH1hlR40wD4rnq14p41x&index=1 S
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02:15
Small Dinosaurs Get Their Revenge

651 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
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Crazy Dinosaur Mating Dance

877 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?
02:32 Popular
So You Think Dinosaurs Can Dance?

799 views / 1 likes - added 9 years ago

Dinosaurs aren't just serious. Let's have some fun and dance with these dinos. The brightly colored Giagantoraptor has and the small Eoraptros seem to have the best moves, but don't count out the Cryolophosaurus - he's not called the Elvisaurus for nothin
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02:21 Popular
How Dinosaurs Went Extinct!

1,140 views / 1 likes - added 9 years ago

Meteors came hurtling to Earth and stopped life as they knew it for the dinosaurs. Complete and instantaneous extinction is no longer the theory. What did the extinction look like? See how a T-Rex survives impact as some animals did, only to succumb to th
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02:03 Popular
GROSS Dinosaur Stuff

1,169 views / 2 likes - added 9 years ago

Dinosaurs did gross things like sneeze, slobber, and poop. They probably even tripped and fell a bit too. Many had killing habits that might gross you out. See a T-Rex poop before it fights and get its arm bitten off during battle and see a beelzebufo, a
02:13 Popular
Small But Deadly!

794 views / 0 likes - added 9 years ago

Don't judge danger by its size. Small dinosaurs were not cute and cuddly. They were just as dangerous if not more, than some big dinosaurs because most hunted in numbers. Troodons attack in numbers. Watch the whole playlist of dinosaur videos here: http:/
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Dinosaurs In Love

682 views / 0 likes - added 9 years ago

Saving a female from danger helps one dinosaur Romeo find win her love during mating season. Watch the whole playlist of dinosaur videos here: http://www.youtube.com/watch?v=sW4p6vzviKQ&list=PLfpPYJH6OjtZGZH1hlR40wD4rnq14p41x&index=1 Subscribe For More Di
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A Look At Prehistoric Mammals

718 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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02:07 Popular
What Did Dinosaurs Eat?

944 views / 3 likes - added 9 years ago

Find out what herbivore dinos ate as dinosaurs large and small graze on sumptuous prehistoric foliage. Watch the whole playlist of dinosaur videos here: http://www.youtube.com/watch?v=sW4p6vzviKQ&list=PLfpPYJH6OjtZGZH1hlR40wD4rnq14p41x&index=1 Subscribe F
02:17 Popular
How Dinosaurs Are Born

842 views / 0 likes - added 9 years ago

Ever wonder how animals as big as dinosaurs are born? Watch the miracle of life from the dinosaur perspective. Watch the whole playlist of dinosaur videos here: http://www.youtube.com/watch?v=sW4p6vzviKQ&list=PLfpPYJH6OjtZGZH1hlR40wD4rnq14p41x&index=1 Sub
02:30 Popular
SUPER-CUTE VIDEO OF DINOSAUR BABIES!!!

875 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.
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06:27 Popular
Space School- Earth

775 views / 1 likes - added 9 years ago

A fragile blue marble floating through space, Earth may seem small, but is unlike any planet ever discovered. Home to millions of species, including humans, the Earth remains a complex and fragile planet, unique in almost every way.
05:07 Popular
Why Are Some People Left-handed? - Daniel M. Abrams

904 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/why-are-some-people-left-handed-daniel-m-abrams Today, about one-tenth of the world's population are southpaws. Why are such a small proportion...
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03:37 Popular
How Does The Thyroid Manage Your Metabolism? - Emma Bryce

759 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-does-the-thyroid-manage-your-metabolism-emma-bryce Nestled in the tissues of your neck is a small, unassuming organ that wields enormous power...
01:26
Eight Questions With Golden State Warrior Harrison Barnes

645 views / 0 likes - added 9 years ago

Our Kid Reporter Jack Murphy interviews the Golden State Warriors' rookie small forward and North Carolina Alum Harrison Barnes.
02:23 Popular
Meet Erin DiMeglio, A History Making Female Quarterback

744 views / 1 likes - added 9 years ago

Erin DiMeglio, an 18-year-old from Florida's South Plantation High School is making history this season by being the first female to play quarterback in a high school game.
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07:05
The Recipe For Life…

601 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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04:46 Popular
How Many Heartbeats Do We Get?

1,390 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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06:34 Popular
Does My Dog Know What I'm Thinking?

856 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
05:45 Popular
What's The Deadliest Animal In The World?

836 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
01:59 Popular
Monkeying Around - Ultimate Animal Movie Mashup (2015) HD

876 views / 3 likes - added 8 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 Monkeying Around - Ultimate Animal Movie Mashup (2015) HD Celebrate nature with
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You Are An Upside-Down Lobster

760 views / 1 likes - added 8 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
01:14 Popular
Born In China Official Trailer #1 (2016) - Disneynature Movie HD

973 views / 1 likes - added 8 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 Born in China Official Trailer #1 (2016) - Disneynature Movie HD Disneynature,
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Congressional Delegation: Crash Course Government And Politics #13

605 views / 0 likes - added 8 years ago

In which Craig Benzine teaches you about delegation, and informal powers. What are all these federal agencies about? Well, the president has a lot of stuff to do as the chief executive, and as much as Americans like to talk about personal responsibility,
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How To Draw A Narwhal

1,146 views / 3 likes - added 8 years ago

It's an underwater unicorn! Today we're learning how to draw a narwhal. These animals really seem like they're from some fantasy world. EMAIL A PHOTO OF YOUR ART: myart@artforkidshub.com MAIL US YOUR ART: Art for Kids Hub P.O. Box 927 Pleasant Grove, UT 8
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Finding Square Root Of Decimal

923 views / 0 likes - added 8 years ago

Finding square root of decimal
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Mars: Crash Course Astronomy #15

880 views / 3 likes - added 8 years ago

The fourth planet from the sun and the outermost of the terrestrial planets, Mars has long been a popular spot for missions and imagination. Phil walks you through the planet's topography, core, and features. We'll take a look back to Mars's past and make
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What Is The Speed Of Dark?

656 views / 1 likes - added 8 years ago

twitter: http://www.twitter.com/tweetsauce instagram: http://www.instagram.com/electricpants facebook: http://www.facebook.com/VsauceGaming SOURCES BELOW: this is the video where I talk about THE SPEED OF PUSH: https://www.youtube.com/watch?v=Do1lm9IevYE
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What Is Random?

2,558 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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An Electric Eel And A Caiman

726 views / 0 likes - added 8 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
03:36 Popular
OK Go - White Knuckles - Official Video

830 views / 0 likes - added 8 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
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Chromosomal Crossover In Meiosis I

492 views / 0 likes - added 8 years ago

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10:44 Popular
Jupiter: Crash Course Astronomy #16

1,279 views / 5 likes - added 8 years ago

Jupiter is the biggest planet in our solar system. The gas giant is NOT a failed star, but a really successful planet! It has a dynamic atmosphere with belts and zones, as well as an enormous red spot that’s actually a persistent hurricane. Jupiter is sti
15:54 Popular
The psychology of self-motivation | Scott Geller | TEDxVirginiaTech

821 views / 0 likes - added 8 years ago

Never miss a talk! SUBSCRIBE to the TEDx channel: http://bit.ly/1FAg8hB Scott Geller is Alumni Distinguished Professor at Virginia Tech and Director of the Center for Applied Behavior Systems in the Department of Psychology. He is a Fellow of the American
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Two Colour Chemiluminescent Clock Reaction - Periodic Table Of Videos

565 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.
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Disneynature's Born In China Official US Trailer

885 views / 3 likes - added 8 years ago

Disneynature, in its ongoing quest to bring the natural world to the big screen as never before, presents its most ambitious project to date, taking moviegoers on a grand journey into the wilds of China. “Born In China” follows the adventures of three ani
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Amazing Piece Of Metal (speculum)

659 views / 0 likes - added 8 years ago

This small disc of metal - made from speculum - is an important part of history. The metal is an alloy of tin and copper with some arsenic thrown in. Discussed by Professor Martyn Poliakoff at the Royal Society, in London. It is the primary mirror from Si
04:36 Popular
Pouring Mercury Into Liquid Nitrogen (slow Motion)

831 views / 0 likes - added 8 years ago

Mercury freezes at -39C ---- Nitrogen boils at -196C More slow mo from periodicvideos: http://bit.ly/chemslomo The three slow motion sequences in this video can be seen in more detail at... Mercury in small container: http://youtu.be/-Yf_Mi-ZHjw Mercury i
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Why Neutrinos Matter - Sílvia Bravo Gallart

623 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-neutrinos-matter-silvia-bravo-gallart Elementary particles are the smallest known building blocks in the universe—and the neutrino is one of the smallest of the small. These tiny neutrinos can tell us about
04:10 Popular
How To Unboil An Egg - Eleanor Nelsen

767 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-to-unboil-an-egg-eleanor-nelsen It’s so obvious that it’s practically proverbial: you can’t unboil an egg. But actually, it turns out that you can -- sort of. Eleanor Nelsen explains the process by which mec
04:31 Popular
Why It’s So Hard To Cure HIV/AIDS - Janet Iwasa

1,028 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-it-s-so-hard-to-cure-hiv-aids-janet-iwasa In 2008, something incredible happened: a man was cured of HIV. In over 70 million HIV cases, this was a first, and, so far, a last, and we don’t yet understand exac
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05:46 Popular
Learning From Smallpox: How To Eradicate A Disease - Julie Garon And Walter A. Orenstein

761 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/learning-from-smallpox-how-to-eradicate-a-disease-julie-garon-and-walter-a-orenstein For most of human history, we have sought to treat and cure diseases. But only in recent decades did it become possible to ens
04:37 Popular
The Law Of Conservation Of Mass - Todd Ramsey

2,356 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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05:42 Popular
How We Think Complex Cells Evolved - Adam Jacobson

840 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-we-think-complex-cells-evolved-adam-jacobson Imagine you swallowed a small bird and suddenly gained the ability to fly … or you ate a cobra and were able to spit poisonous venom! Well, throughout the history
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05:44 Popular
The Sonic Boom Problem - Katerina Kaouri

1,005 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-causes-sonic-booms-katerina-kaouri Objects that fly faster than the speed of sound (like really fast planes) create a shock wave accompanied by a thunder-like noise: the sonic boom. These epic sounds can ca
15:47 Popular
How Poachers Became Caretakers - John Kasaona

929 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-poachers-became-caretakers-john-kasaona In his home of Namibia, John Kasaona is working on an innovative way to protect endangered animal species: giving nearby villagers (including former poachers) responsi
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How Do Vaccines Work? - Kelwalin Dhanasarnsombut

815 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-do-vaccines-work-kelwalin-dhanasarnsombut The first ever vaccine was created when Edward Jenner, an English physician and scientist, successfully injected small amounts of a cowpox virus into a young boy to
04:34 Popular
The Pharaoh That Wouldn't Be Forgotten - Kate Narev

1,179 views / 3 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-pharaoh-that-wouldn-t-be-forgotten-kate-narev Hatshepsut was a female pharaoh during the New Kingdom in Egypt. Twenty years after her death, somebody smashed her statues, took a chisel and attempted to erase
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How Do We Study The Stars? - Yuan-Sen Ting

1,582 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
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What Is The Heisenberg Uncertainty Principle? - Chad Orzel

1,545 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-is-the-heisenberg-uncertainty-principle-chad-orzel The Heisenberg Uncertainty Principle states that you can never simultaneously know the exact position and the exact speed of an object. Why not? Because ev
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BIG HERO 6 BAYMAX OREO POPS - NERDY NUMMIES

1,024 views / 3 likes - added 8 years ago

Today I made Big Hero 6 Baymax Oreo Pops! 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: http://w
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DIY TREATS - Perfect Together

774 views / 1 likes - added 8 years ago

Perfect Together on iTunes: http://tinyurl.com/lt3q9ux In celebration of my first original song "Perfect Together" coming out, I asked you guys which treats from the song you'd like me to make. Here are a few of the most requested ones! What are your favo
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DIY Holiday Treats

640 views / 0 likes - added 8 years ago

I got so many requests to make some Holiday Treats. Just wanted to share some fun and yummy themed recipes I found. I hope you enjoy them and Happy Holidays! FOLLOW ME HERE Facebook: http://www.facebook.com/rosannapansino Twitter: https://twitter.com/Rosa
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EASY PRETZEL HEARTS - Mother's or Valentine's Day Treat Idea

2,019 views / 4 likes - added 8 years ago

EASY PRETZEL HEARTS - Mothers day treat idea Inspired by: http://www.happyclippings.com/2013/01/valentine-chocolate-heart-pretzel-treats.html You will need: Chocolate, melted and cooled so its just warm (melt for 30 sec at a time in microwave, stirring in
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If Matter Falls Down, Does Antimatter Fall Up? - Chloé Malbrunot

645 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/if-matter-falls-down-does-antimatter-fall-up-chloe-malbrunot Like positive and negative, or debit and credit, matter and antimatter are equal and opposite. So if matter falls down, does antimatter fall up? Chloé
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What Can Schrödinger's Cat Teach Us About Quantum Mechanics? - Josh Samani

787 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
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Inside The Ant Colony - Deborah M. Gordon

841 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
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Fighting Malaria With Green Chemistry - Periodic Table Of Videos

561 views / 0 likes - added 8 years ago

The Professor and his colleagues devise greener ways to produce the anti-Malaria drug Artemisinin. Artemisinin was first discovered in China. The main article: http://bit.ly/1FaQNci Additional info: http://bit.ly/Malaria_Supplementary This video features
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Jupiter's Moons: Crash Course Astronomy #17

802 views / 1 likes - added 8 years ago

Before moving on from Jupiter to Saturn, we’re going to linger for a moment on Jupiter’s moons. There are 67 known moons, and 4 huge ones that we want to explore in greater detail. Ganymede is the largest - larger, in fact, than any other moon in the sola
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Sesame Street: Old MacMurray Had A Farm

1,217 views / 0 likes - added 8 years ago

Old MacMurray had a farm and on that farm he had a chicken…. Wait, what sound does a chicken make? Bok Bok. Oh yeah, that’s right. Make moo-sic and join Old MacMurray as he sings about his farm animals. Subscribe to the Sesame Street Channel here: http://
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Zony & Yony On Their Favorite Animals

792 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.
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Mansa Musa, One Of The Wealthiest People Who Ever Lived - Jessica Smith

895 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/mansa-musa-one-of-the-wealthiest-people-who-ever-lived-jessica-smith Mansa Musa, the 14th century African king of the Mali Empire, is said to have amassed a fortune that possibly made him one of the wealthiest p
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Measurement Mystery: Crash Course Kids #9.2

1,046 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
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Hunting For Properties: Crash Course Kids #9.1

785 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
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The Dirt On Decomposers: Crash Course Kids #7.2

2,112 views / 3 likes - added 8 years ago

We've talked about food chains and how energy moves through an ecosystem, but let's take a step back and see how everything starts... and ends. Decomposers! This first series is based on 5th grade science. We're super excited and hope you enjoy Crash Cour
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Fabulous Food Chains: Crash Course Kids #7.1

1,406 views / 4 likes - added 8 years ago

Everyone eats, right? But how does that food get the energy to power you? In this episode of Crash Course Kids, Sabrina talks about the way energy moves, or flows, through an ecosystem and how that movement forms Food Chains! This first series is based on
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Vegetation Transformation: Crash Course Kids #5.2

1,092 views / 0 likes - added 8 years ago

Have you ever seen a magic trick where one thing changes to another thing? Well, that's nothing compared to what plants can do through a process called photosynthesis. In this episode, Sabrina talks about how photosynthesis works! This first series is bas
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Here Comes The Sun: Crash Course Kids #5.1

1,972 views / 7 likes - added 8 years ago

Updated with fix. Thanks for pointing that out!!! :) Every hear of "Sol"? Sure you have! It's our Sun! It sits at the center of our 8 planet solar system, providing us with heat and light. But how does that energy get to us? In this episode of Crash Cours
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The Fermi Paradox — Where Are All The Aliens? (1/2)

1,181 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?

1,039 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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How Small Is An Atom? Spoiler: Very Small.

875 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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Uranus & Neptune: Crash Course Astronomy #19

2,224 views / 13 likes - added 8 years ago

Today we’re rounding out our planetary tour with ice giants Uranus and Neptune. Both have small rocky cores, thick mantles of ammonia, water, and methane, and atmospheres that make them look greenish and blue. Uranus has a truly weird rotation and relativ
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Asteroids: Crash Course Astronomy #20

716 views / 1 likes - added 8 years ago

Now that we’ve finished our tour of the planets, we’re headed back to the asteroid belt. Asteroids are chunks of rock, metal, or both that were once part of smallish planets but were destroyed after collisions. Most orbit the Sun between Mars and Jupiter,

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