SciShow
What Causes Brain Freeze?
That terrible pain the befalls us when enjoying an icy treat! How does that happen? Is there a cure? Let Hank explain.
SciShow
“Do Fabulous Science”: Jane Rigby | Great Minds
Astronomer Dr. Jane Rigby challenges the limits of the naked eye. Having influenced most famous telescopes that come to mind, her work is defined by breaking boundaries both physical and beyond.
TED-Ed
TED-Ed: Can love and independence coexist? | Tanya Boucicaut
Baritone thunder. Snarling winds. Consuming downpours. Okeechobee, the hurricane of 1928, forced many to flee their ruined communities. But for Janie Crawford, it inspired an unexpected homecoming. So begins Zora Neale Hurston's...
TED Talks
TED: Mind-blowing, magnified portraits of insects | Levon Biss
Photographer Levon Biss was looking for a new, extraordinary subject when one afternoon he and his young son popped a ground beetle under a microscope and discovered the wondrous world of insects. Applying his knowledge of photography to...
SciShow Kids
Why Do I Have Freckles?
Do you know anyone with freckles? Maybe you have freckles yourself! Jessi has them, and she's been wondering what they are, where they come from, and why some people have them and some people don't!
TED Talks
TED: The illusion of consciousness | Dan Dennett
Philosopher Dan Dennett makes a compelling argument that not only don't we understand our own consciousness, but that half the time our brains are actively fooling us.
Be Smart
How Many Stars Are There?
How many stars are there in the universe? Are there more stars out there than grains of sand on Earth? Thanks to advanced space telescopes, we've been able to peer farther into deep time and the distant universe than we ever thought...
TED Talks
Michele Wucker: Why we ignore obvious problems -- and how to act on them
Why do we often neglect big problems, like the financial crisis and climate change, until it's too late? Policy strategist Michele Wucker urges us to replace the myth of the "black swan" -- that rare, unforeseeable, unavoidable...
SciShow
How Science Solved the Giant Eyeball Mystery
Hank combines two of his favorite things - talking to scientists and strange things washing up on the beach - to bring you the Mystery of the Giant Eyeball.
SciShow
There Are Crystal Mirrors Hidden in Scallop Eyes
Sea creatures abound this week, as scientists make discoveries about scallop eyes and use models to help figure out the age old mystery, "Which came first, comb jellies or the sea sponge?”
SciShow Kids
Why Do I Feel Sick in the Car?
Road trips can be fun, but have you ever gotten sick from riding in a car? That's called motion sickness, and it turns out that it's a really common problem!
TED Talks
TED: Weaving narratives in museum galleries | Thomas P. Campbell
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. As the director of the Metropolitan Museum of Art in New York, Thomas P. Campbell thinks deeply about curating—not...
TED Talks
Pawan Sinha: How brains learn to see
Pawan Sinha details his groundbreaking research into how the brain's visual system develops. Sinha and his team provide free vision-restoring treatment to children born blind, and then study how their brains learn to interpret visual...
SciShow
Why Does Rubbing Tired Eyes Feel Good?
It can be a wonderful feeling to give your tired eyes a good rub. And rubbing your eyes can help keep them moist, but it turns out it also can affect your heart rate.
TED Talks
Caroline Lavelle: Casting a spell on the cello
Caroline Lavelle plays the cello like a sorceress casting a spell, occasionally hiding behind her wild mane of blond hair as she sings of pastoral themes. She performs "Farther than the Sun," backed by Thomas Dolby on keyboards.
TED Talks
Antony Gormley: Sculpted space, within and without
Legendary sculptor Antony Gormley riffs on space and the human form. His works explore the interior space we feel within our own bodies -- and the exterior space we feel around us, knowing that we are just dots in space and time.
MinuteEarth
MinuteEarth Explains: Stuff That...Isn’t
In this collection of classic MinuteEarth videos, we find out that lots of what we thought we knew about the world around us isn’t quite right.
SciShow
How to Write Directly on the Brain
Scientists have found a way to hack the visual process and generate shapes directly on the brain, so a person can see them without using their eyes.
TED Talks
TED: The science of preserving sight | Joshua Chu-Tan
As you get older, your eyes worsen and become susceptible to a disease called age-related macular degeneration -- the leading cause of blindness, with no cure in sight. Sharing the science of how your vision works, researcher Joshua...
TED-Ed
TED-ED: Who were the Vestal Virgins, and what was their job? - Peta Greenfield
In ancient Rome, Vestal Virgins were tasked with keeping vigil over the flame of Vesta, the virgin goddess of the hearth. The flame represented two things: the continuation of Rome as a power in the world and the continuing virginity of...
SciShow
Can Bright Light Make You Sneeze?
SciShow's Quick Questions explains why bright light can make some people sneeze! Really!
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...
Be Smart
How To Hit A Fastball (According To Science!!!)
DISCLAIMER: I have very bad hitting form. Baseball was never my thing :)