SciShow
Why Are Eggs ... Egg-Shaped?
Why are eggs egg-shaped? There's a logic to it, but it's ovoid!
SciShow
Turns Out, Spiders Use Electricity to Fly
Apparently some species of spiders can fly… and it turns out they don’t even need the wind to do it.
SciShow
From Your Head to Your… Anus: The Truth About Hair | Compilation
Whether you’ve got a lot of hair or absolutely none, it’s one of those things all of us have thought about at some point. And we’ve ended up with some… questions.
TED-Ed
TED-Ed: Claws vs. nails | Matthew Borths
Consider the claw. Frequently found on animals around the world, it's one of nature's most versatile tools. Bears use claws for digging as well as defense. An eagle's needle-like talons can pierce the skulls of their prey. Even the...
SciShow Kids
Let’s Make Oobleck!
Jessi's in the lab, mixing up something kind of strange: Oobleck! Come find out all about this goo that can be a solid and a liquid at the same time, and then learn how to make some for yourself!
SciShow Kids
Let's Make a Kite!
One of Jessi and Squeak's favorite things to do on a nice day is to go to the park and fly their homemade kites! Today, Jessi will show you how to build your own kite and tell you how a little wind can send it soaring through the air!
TED-Ed
TED-Ed: Why are manhole covers round? - Marc Chamberland
Why are most manhole covers round? Sure it makes them easy to roll, and slide into place in any alignment. But there's another, more compelling reason, involving a peculiar geometric property of circles and other shapes. Marc Chamberland...
TED-Ed
TED-Ed: Pruney fingers: A gripping story - Mark Changizi
Why do fingers become pruney when they get wet? Likely, for the same reasons that tires have treads. Mark Changizi examines the evolutionary reasons for pruney fingers, while exploring natural and manmade phenomena, like river networks,...
SciShow
There’s a Rectangle Galaxy?
You're probably used to real galaxies having curves, except not all of them seem to have gotten the memo.
TED-Ed
TED-ED: What is metallic glass? - Ashwini Bharathula
Steel and plastic are essential to much of our infrastructure and technology. Steel is strong and hard, but difficult to shape intricately. Plastic can take on just about any form, but it's weak and soft. Wouldn't it be nice if there...
Crash Course
How To Become An Engineer: Crash Course Engineering #45
Hopefully this course has gotten you excited about all the things we can do with engineering. If so, today we’re going to try to help you answer a very important question: how do you become an engineer? What are the steps? What kinds of...
TED-Ed
TED-ED: The death of the universe - Ren_e Hlozek
The shape, contents and future of the universe are all intricately related. We know that it's mostly flat; we know that it's made up of baryonic matter (like stars and planets), but mostly dark matter and dark energy; and we know that...
TED-Ed
The unexpected math of origami | Evan Zodl
Origami, which literally translates to "folding paper," is a Japanese practice dating back to at least the 17th century. In origami, a single, traditionally square sheet of paper can be transformed into almost any shape, purely by...
SciShow Kids
Get to Know Your Galaxy!
Have you ever thought about what's beyond our solar system? Think real big, because we're about to explore galaxies!
MinutePhysics
What Is The Shape of Space? (ft. PhD Comics)
A collaboration with Jorge Cham and Daniel Whiteson, check out "We Have No Idea" at http://www.wehavenoidea.com Jorge's PhDComics: http://www.phdcomics.com This video is about the local and global geometry and curvature of space and...
Be Smart
What Are Rainbows?
Dorothy went over one. LeVar Burton read to us under one. In a song, Kermit the Frog connected us to one. Even Mork's suspenders were made of them. Our culture, and our skies, are full of rainbows, but do you know how they form? Do we...
SciShow
Why Do Boomerangs Come Back?
Learning to throw a boomerang properly takes a lot of practice. And aerodynamics.
SciShow
What If the Universe Was Shaped Like a Donut?
The universe could be a donut in a fourth spatial dimension. Which would mean that we could potentially see our own galaxy repeated from the past... Our 3D brains aren't ready for this.
SciShow
Miracle Fruit: How to Trick Your Taste Buds
Hate the taste of sour stuff? Well fret no more with this miracle berry! It will coat your tongue with an awesome protein to make everything taste sweet! Hank Green explains in this episode of SciShow.
Crash Course
Liquids: Crash Course Chemistry
In this episode of Crash Course Chemistry, Hank gives you the low down on things like London Dispersion Forces, Hydrogen Bonds, Cohesion, Adhesion, Viscosity, Capillary Action, Surface Tension, and why liquids are just... WEIRD!
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TED-Ed
TED-ED: How to prove a mathematical theory - Scott Kennedy
Euclid of Alexandria revolutionized the way that mathematics is written, presented or thought about, and introduced the concept of mathematical proofs. Discover what it takes to move from a loose theory or idea to a universally...
TED-Ed
TED-Ed: Magical metals, how shape memory alloys work - Ainissa Ramirez
From robots to braces to the Mars Rover, see how a special kind of metal called shape memory alloys advance technology in everyday ways that we don't always realize.
TED-Ed
TED-Ed: The biggest mistakes in mapmaking history | Kayla Wolf
For thousands of years, people made both functional maps and what are known as cosmographies, illustrating the earth and its position in the cosmos, often including constellations, gods, and mythic locations. These maps were meant to...
SciShow
Can You Really Be Scared to Death?
Can you literally "die of fright?" Turns out, you can! In this episode of SciShow Hank explores the mechanisms in your body that activate when you get scared, and how they can sometimes get out of hand.