Instructional Video4:34
TED-Ed

TED-Ed: Can you solve the Ragnarok riddle? | Dan Finkel

Pre-K - Higher Ed
Ragnarok: The fabled end of the world, when giants, monsters, and Norse gods battle for the future. The gods were winning until the great serpent Jörmungandr emerged. It swallowed Valhalla and contorted itself across the land. Odin has...
Instructional Video3:36
SciShow

What Happens If You're Struck By Lightning?

12th - Higher Ed
The chances of you being hit by lightning are small by comparison, but it does happen! Hank will go through what ultimately happens when you are struck by lightning because chances are you will survive to tell it to your friends.
Instructional Video3:20
SciShow

Gluten

12th - Higher Ed
Gluten is a sticky protein composite found in cereal grains. Hank gives us some insight into the importance of gluten in history, as well as its impact on health in our own time.
Instructional Video5:16
SciShow

Why Is It So Hard to Let Go of Grudges?

12th - Higher Ed
We all have some displeasing memories from the past that still make our blood boil. Why are those grudges so hard to let go of?
Instructional Video9:08
TED Talks

Drew Berry: Animations of unseeable biology

12th - Higher Ed
We have no ways to directly observe molecules and what they do -- but Drew Berry wants to change that. He demos his scientifically accurate (and entertaining!) animations that help researchers see unseeable processes within our own cells.
Instructional Video19:11
TED Talks

Pamelia Kurstin: The untouchable music of the theremin

12th - Higher Ed
Virtuoso Pamelia Kurstin performs and discusses her theremin, the not-just-for-sci-fi electronic instrument that is played without being touched. Songs include "Autumn Leaves," "Lush Life" and David Mash’s "Listen, Words Are Gone."
Instructional Video5:55
SciShow

Why Tickle Fights Aren’t Just for Kids

12th - Higher Ed
If you feel down, or need a quick happy boost, a friendly tickle fight might help you out!
Instructional Video4:57
SciShow

3 Surprising Ways Your Intestines Affect You

12th - Higher Ed
Your digestive system impacts the rest of your body in all sorts of unexpected ways, from keeping your heart healthy to literally making you feel happier.
Instructional Video5:18
TED-Ed

TED-Ed: Why do you get a fever when you're sick? | Christian Moro

Pre-K - Higher Ed
There are many mysteries around fever, but we do know that all mammals, some birds and even a few invertebrate and plant species feel fever's heat. It has persisted for over 600 million years of evolution. But it has a significant cost:...
Instructional Video9:27
TED Talks

TED: The incredible potential of flexible, soft robots | Giada Gerboni

12th - Higher Ed
Robots are designed for speed and precision -- but their rigidity has often limited how they're used. In this illuminating talk, biomedical engineer Giada Gerboni shares the latest developments in "soft robotics," an emerging field that...
Instructional Video10:54
TED Talks

Christoph Keplinger: The artificial muscles that will power robots of the future

12th - Higher Ed
Robot brains are getting smarter and smarter, but their bodies are often still clunky and unwieldy. Mechanical engineer Christoph Keplinger is designing a new generation of soft, agile robot inspired by a masterpiece of evolution:...
Instructional Video3:34
SciShow

3 Terrible Old-Timey Ways to (Not) Lose Weight

12th - Higher Ed
From sauna pants to fat jigglers, people used to try to lose weight in some rather unconventional ways. They really did not work.
Instructional Video21:05
SciShow

The Weird, Delightful Smells of Being Human

12th - Higher Ed
Let’s face it: humans stink! But that’s not always a bad thing - we use smells to interact with each other and navigate our lives.
Instructional Video7:20
SciShow

The New Gel That Regrows Brains

12th - Higher Ed
A new healing gel helped mice regrow brain tissue after a stroke, and scientists suspect someone out there is producing a bunch of ozone-destroying CFCs in defiance of an international agreement!
Instructional Video4:12
SciShow Kids

Worms Are Wonderful

K - 5th
Ever wonder what those little earthworms are up to? Learn why worms are wonderful with Jessi and Squeaks!
Instructional Video4:55
SciShow

The Woman Who Changed Drug Development

12th - Higher Ed
From a new method of drug design to an antiviral agent for herpes, Gertrude Elion's works totally transformed the world of drug development.
Instructional Video9:56
Crash Course

The Integumentary System, Part 2 - Skin Deeper: Crash Course A&P

12th - Higher Ed
Today Hank wraps up this look at your integumentary system and all the hard work it does protecting you from and helping you interact with the world around you. -- Table of Contents: Protects Your Body 1:25 Senses the Outside World 1:42...
Instructional Video2:41
SciShow

Why Do You Always Get Sick After Exams

12th - Higher Ed
Why can you usually stay healthy while you’re going through a stressful situation, but then you get sick right after?
Instructional Video3:14
SciShow

Oxygen is Killing You

12th - Higher Ed
Hank introduces us to oxygen - the element that makes it possible for most animals to live, but which is simultaneously responsible for a lot of bad things going on in our bodies.
Instructional Video8:42
SciShow

3D Printing and the Future of Stuff

12th - Higher Ed
What if instead of going to the store to buy a new toilet brush, all you had to do was walk into your office and print one out? With recent advances in 3D printing, such a scenario might not be as far away as you think. Chapters PRINT...
Instructional Video3:21
TED-Ed

TED-Ed: How do the lungs work? - Emma Bryce

Pre-K - Higher Ed
When you breathe, you transport oxygen to the body's cells to keep them working, while also clearing your system of the carbon dioxide that this work generates. How do we accomplish this crucial and complex task without even thinking...
Instructional Video3:17
SciShow Kids

Why Does Ice Cream Hurt My Head?

K - 5th
Ice cream is a great treat, but you have to eat it slowly! Otherwise, you'll get what some people call a 'brain freeze,' which is a super bad headache that lasts for a couple seconds. But how does ice cream hurt your head?!
Instructional Video4:39
TED Talks

TED: A rare galaxy that's challenging our understanding of the universe | Burcin Mutlu-Pakdil

12th - Higher Ed
What's it like to discover a galaxy -- and have it named after you? Astrophysicist and TED Fellow Burcin Mutlu-Pakdil lets us know in this quick talk about her team's surprising discovery of a mysterious new galaxy type.
Instructional Video3:30
SciShow

World's Most Asked Questions How Can I Fall Asleep

12th - Higher Ed
People ask Google everything under the sun. One of the most commonly searched questions in the world is “How Can I Fall Asleep?” Allow us at SciShow to explain.