SciShow
Why Do Some Shots Make Your Arm Hurt So Much?
From MMR boosters to tetanus, you'll probably get a lot of shots in your life. And one thing you might notice is that some of them don't feel like much, but some of them can make your arm reallllly sore! Why is that?
SciShow
When Athletes Dope ... & Einstein FTW
This week's SciShow news has Hank bringing us a primer on the science behind various illegal and illicit ways in which athletes "improve" their bodies, proof of general relativity that we can actually see, and a new way to measure how...
TED-Ed
TED-Ed: How do pain relievers work? - George Zaidan
Some people take aspirin or ibuprofen to treat everyday aches and pains, but how exactly do the different classes of pain relievers work? Learn about the basic physiology of how humans experience pain, and the mechanics of the medicines...
TED Talks
Yves Rossy: Fly with the Jetman
Strapped to a jet-powered wing, Yves Rossy is the Jetman -- flying free, his body as the rudder, above the Swiss Alps and the Grand Canyon. After a powerful short film shows how it works, Rossy takes the TEDGlobal stage to share the...
TED Talks
Wayne McGregor: A choreographer's creative process in real time
We all use our body on a daily basis, and yet few of us think about our physicality the way Wayne McGregor does. He demonstrates how a choreographer communicates ideas to an audience, working with two dancers to build phrases of dance,...
SciShow
These Slugs See with Their Brains
If you’re a person with sight, your two eyes are your only window into the visual world. But slugs see not only with their eyes, but with their brains as well!
Be Smart
Should You Eat Everyday?
An intermittent fasting diet is one of the hippest new nutrition and fitness philosophies, based around the idea that going hungry can be good for your health. Some think it's a weight loss secret that calls upon our ancient evolutionary...
Crash Course
Fire and Buffalo Goddesses: Crash Course World Mythology
This week, we're continuing our talk about the characteristics of Goddesses, and we're going to look in depth at two stories from parts of the world we haven't visited much in this series so far. From Hawaii, we're going to hear a story...
SciShow
Why Cancer Labels Are Super Misleading
What does it actually mean when a label says something ‘causes cancer’? Those labels can be misleading, but knowing the legal and scientific reasoning behind them can help.
TED-Ed
TED-Ed: How do ventilators work?
In the 16th century, physician Andreas Vesalius described how a suffocating animal could be kept alive by inserting a tube into its trachea and blowing air to inflate its lungs. Today, Vesalius’s treatise is recognized as the first...
SciShow Kids
Can You Guess the Emotions? | Squeaks and Jessi Play a Guessing Game! | SciShow Kids Compilation
We have so many different emotions that pop up from time to time, so Squeaks and Jessi are playing a guessing game while they watch videos that remind them why we have certain emotions!
TED Talks
TED: On tennis, love and motherhood | Serena Williams and Gayle King
Twenty-three Grand Slam titles later, tennis superstar Serena Williams sits down with journalist Gayle King to share a warm, mischievous conversation about her life, love, wins and losses -- starting with the story of how she...
Amoeba Sisters
How Cells Become Specialized
How do cells in your body differentiate into other types of cells? Explore cell specialization featuring stem cells and their role in cell differentiation.
TED Talks
TED: The technology of touch | Katherine Kuchenbecker
As we move through the world, we have an innate sense of how things feel -- the sensations they produce on our skin and how our bodies orient to them. Can technology leverage this? In this fun, fascinating TED-Ed lesson, learn about the...
TED-Ed
TED-Ed: Joshua W. Pate: The mysterious science of pain
In 1995, the British Medical Journal published a report about a builder who accidentally jumped onto a nail, which pierced straight through his steel-toed boot. He was in such agonizing pain that any movement was unbearable. But when the...
TED-Ed
How does ultrasound work? | Jacques S. Abramowicz
In a dark cave, bats can't see much. But even with their eyes shut, they can navigate rocky topography at incredible speeds. This is because bats aren't just guided by their eyes, but rather, by their ears. It may seem impossible to see...
SciShow
This One’s for the Birds: Your Bird Questions, Answered | Compilation
You probably don't think much about birds most of the time, but these little former-dinosaurs are amazing! So, here's a collection of videos in which we've tackled our viewers' biggest bird questions!
SciShow
Smaller, Better, Faster, Stronger: the "Antibodies" of the Future | Antibodies Mini-Series Part 3
These days, we’re pretty good at harnessing the power of antibodies for medicines and as molecular tools, but they do have some drawbacks. So, cutting-edge researchers are hoping to develop smaller and more stable alternatives, and...
SciShow
Earwax, Butt Hair, and Other Weird Human Attributes
You can probably tell someone the purpose of most of your body parts. But what about earwax? Or your appendix? If you’re looking for those answers, or wondering why you have a butt, pop a squat to find out about weird human attributes.
Be Smart
I Don't Think You're Ready for These Jellies
Joe Hanson went behind the scenes at the Monterey Bay Aquarium to learn about jellyfish.
TED-Ed
TED-Ed: How do you know you exist? - James Zucker
How do you know you're real? Is existence all just a big dream? Has some mad scientist duped us into simply believing that we exist? James Zucker investigates all of these questions (and more) in this mind-boggling tribute to Rene...
SciShow
World's Most Asked Questions How Many Calories Should I Have in a Day
People ask Google everything under the sun. One of the most commonly searched questions in the world is “How Many Calories Should I have in a day?” Allow us at SciShow to explain.
TED-Ed
TED-Ed: Oxygen's surprisingly complex journey through your body - Enda Butler
Oxygen forms about 21% of the air around us. In your body, oxygen forms a vital role in the production of energy in most cells. But if gases can only efficiently diffuse across tiny distances, how does oxygen reach the cells deep inside...