TED Talks
Janine Shepherd: A broken body isn't a broken person
Cross-country skier Janine Shepherd hoped for an Olympic medal -- until she was hit by a truck during a training bike ride. She shares a powerful story about the human potential for recovery. Her message: you are not your body, and...
TED Talks
Beardyman: The polyphonic me
Frustrated by not being able to sing two notes at the same time, musical inventor Beardyman built a machine to allow him to create loops and layers from just the sounds he makes with his voice. Given that he can effortlessly conjure the...
Bozeman Science
Mechanisms of Timing and Control
Paul Andersen explains how organisms regulate timing and control. Phototropism and Photoperiodism allow plants to respond to light throughout the day and year. Circadian rhythms are used in all organisms (including animals) as an...
TED-Ed
TED-Ed: Can you solve the Ragnarok riddle? | Dan Finkel
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...
SciShow
Gluten
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.
SciShow
What Happens If You're Struck By Lightning?
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.
SciShow
Why Is It So Hard to Let Go of Grudges?
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?
TED Talks
Drew Berry: Animations of unseeable biology
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.
TED Talks
Pamelia Kurstin: The untouchable music of the theremin
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."
SciShow
Why Tickle Fights Aren’t Just for Kids
If you feel down, or need a quick happy boost, a friendly tickle fight might help you out!
SciShow
3 Surprising Ways Your Intestines Affect You
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.
TED Talks
TED: The incredible potential of flexible, soft robots | Giada Gerboni
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...
TED-Ed
TED-Ed: Why do you get a fever when you're sick? | Christian Moro
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:...
SciShow
3 Terrible Old-Timey Ways to (Not) Lose Weight
From sauna pants to fat jigglers, people used to try to lose weight in some rather unconventional ways. They really did not work.
TED Talks
Christoph Keplinger: The artificial muscles that will power robots of the future
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:...
SciShow
The Weird, Delightful Smells of Being Human
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.
SciShow
The New Gel That Regrows Brains
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!
SciShow Kids
Worms Are Wonderful
Ever wonder what those little earthworms are up to? Learn why worms are wonderful with Jessi and Squeaks!
SciShow
The Woman Who Changed Drug Development
From a new method of drug design to an antiviral agent for herpes, Gertrude Elion's works totally transformed the world of drug development.
Crash Course
The Integumentary System, Part 2 - Skin Deeper: Crash Course A&P
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...
SciShow
Why Do You Always Get Sick After Exams
Why can you usually stay healthy while you’re going through a stressful situation, but then you get sick right after?
SciShow
3D Printing and the Future of Stuff
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...
SciShow
Oxygen is Killing You
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.
TED-Ed
TED-Ed: How do the lungs work? - Emma Bryce
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...