TED-Ed
TED-Ed: Does "The Wonderful Wizard of Oz" have a hidden message? - David B. Parker
In his introduction to "The Wonderful Wizard of Oz," L. Frank Baum claims that the book is simply an innocent children's story. But some scholars have found hidden criticisms of late-nineteenth-century economic policies in the book. Is...
TED Talks
TED: Why gun violence can't be our new normal | Dan Gross
It doesn't matter whether you love or hate guns; it's obvious that the uS would be a safer place if there weren't thousands of them sold every day without background checks. Dan Gross, president of the Brady Campaign to Prevent Gun...
SciShow
3 Senses You Didn't Know You Had
At some point, you've probably learned about the five senses: sight, sound, smell, taste, and touch. However, the classic list doesn't account for all the sensations we experience and use to navigate the world around us!
Crash Course
The Transatlantic Slave Trade Crash Course Black American History
Today we're learning about the Transatlantic Slave Trade, which brought millions of captive Africans to the Americas between the 16th and 19th centuries, with the largest number of people trafficked between 1700 and 1808. We'll look at...
Bozeman Science
Hydroelectric Power
In this video Paul Andersen explains how energy can be harnessed was water moves through a turbine. Three types of systems are discussed in the video; run-of-the-water, impoundment, and tidal. Several advantages and disadvantages of dams...
SciShow
The Fish that Strolls on the Sea Floor
We may never know when our ancestors walked out of the water into dry land. But it's possible they may have been walking in water for millions of years!
SciShow
Why Do Fetuses Kick So Much?
The feeling of a kicking fetus is perhaps one of the more fun parts of having a baby, but these movements serve a purpose well beyond letting you know that that little thing is in there!
SciShow
Can Animals Predict Earthquakes?
You might have heard about animals behaving oddly right before an earthquake hits. But are these reports more than just anecdotes?
Crash Course
Motion in a Straight Line Crash Course Physics 1
In this, THE FIRST EPISODE of Crash Course Physics, your host Dr. Shini Somara introduces us to the ideas of motion in a straight line. She talks about displacement, acceleration, time, velocity, and the definition of acceleration. Also,...
SciShow
Why Are Puppy Eyes So Irresistible?
It’s so easy to forgive a dog, especially when they start with those puppy dog eyes. As it turns out, those puppy dog eyes and the effect they have are no accident and the result of centuries of domestication.
TED-Ed
TED-Ed: Can you outsmart a troll (by thinking like one)? | Claire Wardle
Your town is holding a mayoral election and the stakes have never been higher. You suspect one of the candidates will begin pushing false information to swing the election. As the cybersecurity expert, your job is to inoculate the...
TED Talks
Manuel Lima: A visual history of human knowledge
How does knowledge grow? Sometimes it begins with one insight and grows into many branches; other times it grows as a complex and interconnected network. Infographics expert Manuel Lima explores the thousand-year history of mapping data...
SciShow
Moonquakes and Marsquakes
SciShow Space explores the origins of Earthquakes that aren't on Earth. Moonquakes and Marsquakes can happen, too!
TED-Ed
TED-Ed: Tomás Chor: Turbulence: one of the great unsolved mysteries of physics
You're on an airplane when you feel a sudden jolt. Outside your window nothing seems to be happening, yet the plane continues to rattle you and your fellow passengers as it passes through turbulent air in the atmosphere. What exactly is...
SciShow
Why Do We Stretch in the Morning?
Humans (and our pets) frequently instinctively stretch as soon as we wake up. But why? What is happening in our bodies when we stretch and yawn to wake ourselves up?
Crash Course
Joints: Crash Course A&P
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...
3Blue1Brown
Binary, Hanoi, and Sierpinski - Part 2 of 2
How counting in Ternary can solve a variant of the Tower's of Hanoi puzzle, and how this gives rise to a beautiful connection to Sierpinski's triangle.
TED Talks
John Gerzema: The post-crisis consumer
John Gerzema says there's an upside to the recent financial crisis -- the opportunity for positive change. In this talk, he identifies four major cultural shifts driving new consumer behavior and shows how businesses are evolving to...
Amoeba Sisters
Diffusion
Explore how substances travel in diffusion with the Amoeba Sisters! This video uses a real life example and mentions concentration gradients, passive transport, facilitated diffusion, and explains why diffusion is critical for all...
Crash Course
Friction: Crash Course Physics
Why is it hard to move a heavy bookcase across a carpeted floor? And why is it easier to keep it moving than it was to get it started moving? You might think it's all about weight, but actually it's about friction. Two kinds of friction!...
SciShow
What's Causing That Stitch in Your Side?
What's the deal with that sharp pain in your side when you're trying to win that marathon? SciShow has the answers!
TED Talks
TED: The long reach of reason | Steven Pinker and Rebecca Newberger Goldstein
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Here's a TED first: an animated Socratic dialog! In a time when irrationality seems to rule both politics and...
TED Talks
TED: Being young and making an impact | Natalie Warne
At 18, Natalie Warne's work with the Invisible Children movement made her a hero for young activists. She uses her inspiring story to remind us that no one is too young to change the world.
SciShow
How Sea Butterflies "Fly" in Water
Birds fly, and fish swim. We learn this when we are children. But not everything in nature is quite so simple… Meet Limacina helicina, an artic-dwelling sea butterfly that flies through the water. Chapters View all SPY IN THE WILD 2 0:04...