TED Talks
TED: The fight against sex slavery | Sunitha Krishnan
Sunitha Krishnan has dedicated her life to rescuing women and children from sex slavery, a multimilion-dollar global market. In this courageous talk, she tells three powerful stories, as well as her own, and calls for a more humane...
SciShow
There’s a Venom For That
In the fight against antibiotic-resistant bacteria, we might be able to find new treatments by looking at some of the world’s most venomous snakes.
SciShow
Why Do I Have Tonsil Stones?
If you found the whiteish-yellowish lump on your throat, that might be a tonsil stone. But where does the lump come from? Why do you have it?
SciShow
Fun With Potatoes & Physics! A SciShow Experiment
Hank uses a favorite subject of the YouTube community - the potato gun - to teach us about the principles of pneumatics, which use the potential energy of compressed gas to do work in lots of useful machines every day.
TED Talks
Erik Hersman: Reporting crisis via texting
At TEDU 2009, Erik Hersman presents the remarkable story of Ushahidi, a GoogleMap mashup that allowed Kenyans to report and track violence via cell phone texts following the 2008 elections, and has evolved to continue saving lives in...
TED Talks
Terry Moore: Why is 'x' the unknown?
Why is 'x' the symbol for an unknown? In this short and funny talk, Terry Moore gives the surprising answer.
TED-Ed
TED-ED: What causes constipation? - Heba Shaheed
Visiting the bathroom is part of the daily human experience. But occasionally, constipation, a condition that causes a backup in your digestive system, strikes. In some especially uncomfortable cases, the food you eat can take several...
TED Talks
TED: The secret to effective nonviolent resistance | Jamila Raqib
We're not going to end violence by telling people that it's morally wrong, says Jamila Raqib, executive director of the Albert einstein Institution. Instead, we must find alternative ways to conduct conflict that are equally powerful and...
TED Talks
Jim Holt: Why does the universe exist?
Why is there something instead of nothing? In other words: Why does the universe exist (and why are we in it)? Philosopher and writer Jim Holt follows this question toward three possible answers. Or four. Or none.
TED Talks
AJ Jacobs: The world's largest family reunion ... we're all invited!
You may not know it yet, but AJ Jacobs is probably your cousin (many, many times removed). Using genealogy websites, he's been following the unexpected links that make us all, however distantly, related. His goal: to throw the world's...
TED Talks
TED: Confessions of a depressed comic | Kevin Breel
Kevin Breel didn't look like a depressed kid: team captain, at every party, funny and confident. But he tells the story of the night he realized that -- to save his own life -- he needed to say four simple words.
SciShow
Dinosaurs Had a Bloodsucking Enemy
This week, scientists revealed a sample of amber containing an extinct tick that fed on dinosaurs. Unfortunately, we can't take a blood sample from it and make Jurassic Park a reality, but it can still tell us a lot about how dinosaurs...
SciShow
Anal Teeth, Paralyzing Farts, and Other Weaponized Butts
All animals have adaptations that help them survive in the wild...some just focus more on back-end development than others. Whether for offense, defense, or both, here are five creatures with butt-kicking behinds!
SciShow
No Hips, No Problem: Better Hip Replacements From Snakes
If you want to make a better hip replacement, who better to turn to than… a snake? While these hip-less creatures might seem like a weird choice for help with this particular issue, a major part of creating comfortable, long-lasting...
SciShow
What Happens When You Faint?
Why do we faint? Because sometimes, your nervous system just doesn't know what to do with itself.
Crash Course
The Cold War Crash Course US History
In which John Green teaches you about the Cold War, which was the decades long conflict between the USA and the USSR. The Cold War was called cold because of the lack of actual fighting, but this is inaccurate. There was plenty of...
Be Smart
Space Sounds
There is no sound in space. In the near-vacuum of space, there is nothing to transmit the physical waves that we need to perceive sound. But that doesn't mean we can't MAKE sound from space.
TED Talks
TED: Do kids think of sperm donors as family? | Veerle Provoost
How do we define a parent -- or a family? Bioethicist Veerle Provoost explores these questions in the context of non-traditional families, ones brought together by adoption, second marriages, surrogate mothers and sperm donations. In...
TED Talks
Tom Wujec: 3 ways the brain creates meaning
Information designer Tom Wujec talks through three areas of the brain that help us understand words, images, feelings, connections. In this short talk from TEDU, he asks: How can we best engage our brains to help us better understand big...
TED Talks
TED: Theranos, whistleblowing and speaking truth to power | Erika Cheung
In 2014, Erika Cheung made a discovery that would ultimately help bring down her employer, Theranos, as well as its founder, Elizabeth Holmes, who claimed to have invented technology that would transform medicine. The decision to become...
SciShow
How Awe Changes You
Whether you get it from standing on the top of Mount Everest or watching a video about the size of the universe on SciShow Space, awe can be a powerful, transformative emotion.
SciShow
The Wonders of Working with Animals
Jessi and Augusto from Animal Wonders talk with Hank about how they got their really cool jobs. Plus they introduce Hank to a Mali uromastyx!
SciShow
Motor Proteins: Tiny Pirates in Your Cells
To some they look like bow-legged cowboys. To others, swaggering pirates. Either way, the two-legged molecules known as motor proteins are what get the job of living done in most of your cells.
TED Talks
TED: Why do we blame individuals for economic crises? | Liene Ozoliņa
In 2008, the global financial crisis decimated Latvia. As unemployment skyrocketed, the government slashed public funding and raised taxes, while providing relief to the wealthy and large businesses -- all without backlash or protest...