TED Talks
Eve Ensler: The profound power of an authentic apology
Genuine apology goes beyond remorse, says legendary playwright Eve Ensler. In this frank, wrenching talk, she shares how she transformed her own experience of abuse into wisdom on what wrongdoers can do and say to truly repent -- and...
Crash Course
Galahad, Perceval, and the Holy Grail: Crash Course World Mythology
In which Mike Rugnetta quests for knowledge of the Holy Grail of Mythology. Which is the actual, literal Holy Grail! The cup of Christ! Legends about the Holy Grail are often connected to the British legends of King Arthur, and this...
SciShow
Do Fish Dream?
It’s easy to look at a sleeping dog’s leg twitching and imagine that it’s having a wonderful rabbit-chasing dream. But can animals with brains that are very different from ours have dreams?
TED-Ed
Can you be awake and asleep at the same time? | Masako Tamaki
Many animals need sleep. But all of the threats and demands animals face don't just go away when it's time to doze. That's why a range of birds, mammals, and even humans experience some degree of asymmetrical sleep, where parts of the...
SciShow
Epic Meteor Adventure and Ozone Mystery
SciShow explores two celestial mysteries: the origins of a meteorite that crashed into a house in California, and who's releasing chemicals into the atmosphere that were banned more than 25 years ago?
Be Smart
The Cosmic Afterglow
The lingerling radiation from the ancient universe still surrounds us to this day.
TED-Ed
TED-ED: The first asteroid ever discovered - Carrie Nugent
Over the course of history, we've discovered hundreds of thousands of asteroids. But how do astronomers discover these bits of rock and metal? How many have they found? And how do they tell asteroids apart? Carrie Nugent shares the story...
TED-Ed
TED-Ed: The myth of Loki's monstrous children | Iseult Gillespie
Odin, the king of Asgard, was plagued by nightmares. Three fearsome figures haunted his dreams: a massive, writhing shadow; a shambling, rotting corpse; and worst of all, a monstrous beast with a deadly bite. Though their true forms were...
TED-Ed
TED-ED: What is the tragedy of the commons? - Nicholas Amendolare
Is it possible that overfishing, super germs, and global warming are all caused by the same thing? In 1968, a man named Garrett Hardin sat down to write an essay about overpopulation. Within it, he discovered a pattern of human behavior...
SciShow
Meet the Oilbird A Bird that Thinks its a Bat
In South America, there’s a flying animal that lives in colonies in caves, emerges at night in search for food, and navigates using echolocation... And it isn't a bat.
SciShow
First Kisses and Spring!
Hank explores the science behind the first kiss -- and all the kisses that come after it -- and also sets you straight about the vernal equinox, what it is, and why this year's is special!
MinutePhysics
How Perspective Shapes Reality
This video is about how the way we describe the world can influence the way we perceive it. In particular, with regards to Bohmian mechanics, Schrodinger wave functions, Feynman path integrals, and Galilean moons attached to Jupiter by...
SciShow
Ice Quakes Your Brain on Pot & the Body Language of Victory
Hank enlightens you with the science behind the news, including the dynamics of recent "ice quakes," new insights into the neurology of marijuana, and the body language of victorious athletes. Winning!
TED Talks
Kenneth Shinozuka: My simple invention, designed to keep my grandfather safe
60% of people with dementia wander off, an issue that can prove hugely stressful for both patients and caregivers. In this charming talk, hear how teen inventor Kenneth Shinozuka came up with a novel solution to help his night-wandering...
SciShow
Can You Get Too Much Sleep?
Are you someone who likes to hit the snooze button four or five times before waking up? Do you have to be physically pulled out of bed every morning? Do you ever wonder if that's normal and healthy? Well, this episode is for you!
SciShow
How to Learn While You Sleep
You may not be able to unlock all the secrets of the universe while you snooze, but it's still possible to reinforce what you've already learned.
TED Talks
TED: Inventing is the easy part. Marketing takes work | Daniel Schnitzer
Solar-powered LED lightbulbs could transform the lives of rural Haitians, but as Daniel Schnitzer found, they don't simply sell themselves. At TEDxPittsburgh, he shows how smart health and energy products for the developing world are...
SciShow
Why Do We Jump in Our Sleep?
Learn why you may experience jumping in your sleep, and how you can prevent it!
SciShow
Why Don't Comets Ever Have a Green Tail?
There’s no question that comets have been regarded as some of the most beautiful things in the night sky for thousands of years. But why are their heads often green but never their tails?
SciShow
The Strange Scourge of Light Pollution
Light pollution -- it's not just the bane of light sleepers and frustrated astronomers. It also is tinkering with the biological cycles of all kinds of living things, including us! SciShow takes you behind the glare to understand the...
TED Talks
Pico Iyer: What ping-pong taught me about life
Growing up in England, Pico Iyer was taught that the point of a game was to win. Now, some 50 years later, he's realized that competition can be "more like an act of love." In this charming, subtly profound talk, he explores what regular...
TED Talks
TED: Everyday moments, caught in time | Billy Collins
Combining dry wit with artistic depth, Billy Collins shares a project in which several of his poems were turned into delightful animated films in a collaboration with Sundance Channel. Five of them are included in this wonderfully...
TED Talks
TED: How to fix a broken heart | Guy Winch
At some point in our lives, almost every one of us will have our heart broken. Imagine how different things would be if we paid more attention to this unique emotional pain. Psychologist Guy Winch reveals how recovering from heartbreak...
TED Talks
TED: Big data, small farms and a tale of two tomatoes | Erin Baumgartner
The path to better food is paved with data, says entrepreneur Erin Baumgartner. Drawing from her experience running a farm-to-table business, she outlines her plan to help create a healthier, zero-waste food system that values the...