TED Talks
TED: How women will lead us to freedom, justice and peace | H.E. Ellen Johnson Sirleaf
I was the first woman president of an African nation, and I do believe more countries ought to try that, says H.E. Ellen Johnson Sirleaf, Nobel laureate and former president of Liberia. Telling the story of how Liberian women helped...
SciShow
What Happens If You Leave Stitches in for Too Long?
Leaving your stitches in too long can have some serious consequences.
SciShow
SciShow Talk Show: Environmental Engineer Mike Potts & Slick the Tiger Salamander
Welcome back to SciShow Talk Show where Hank Green talks with interesting people! In this episode Hank talks with Mike Potts, an environmental engineer at Pioneer Technical Services, Inc. with special guest Jessi Knudsen Castañeda....
TED Talks
TED: How to build a business that lasts 100 years | Martin Reeves
If you want to build a business that lasts, there may be no better place to look for inspiration than your own immune system. Join strategist Martin Reeves as he shares startling statistics about shrinking corporate life spans and...
TED Talks
Rachel Botsman: The currency of the new economy is trust
There's been an explosion of collaborative consumption -- web-powered sharing of cars, apartments, skills. Rachel Botsman explores the currency that makes systems like Airbnb and Taskrabbit work: trust, influence, and what she calls...
TED-Ed
TED-Ed: The myth of Ireland's two greatest warriors | Iseult Gillespie
Cú Chulainn, hero of Ulster, stood at the ford at Cooley, ready to face an entire army single handedly— all for the sake of a single bull. The army in question belonged to Queen Meadhbh of Connaught. Enraged at her husband's possession...
SciShow
The Most Hardcore Creatures on Earth | Compilation
From mice that battle scorpions to microscopic moss piglets that can survive a solar storm, here are 6 of Earth’s most hardcore beings!
TED-Ed
TED-Ed: If superpowers were real: Super speed - Joy Lin
What if super speed wasn't just the stuff of epic comic book stories? Is it scientifically possible to be super speedy? In this series, Joy Lin tackles six superpowers and reveals just how scientifically realistic they can be to us mere...
SciShow
Why We Hate the Word 'Moist'
SciShow Psych tackles the science behind what might be one of the most hated words in the English language: moist.
TED Talks
Shawn Achor: The happy secret to better work
We believe we should work hard in order to be happy, but could we be thinking about things backwards? In this fast-moving and very funny talk, psychologist Shawn Achor argues that, actually, happiness inspires us to be more productive.
TED Talks
TED: This app knows how you feel -- from the look on your face | Rana el Kaliouby
Our emotions influence every aspect of our lives -- how we learn, how we communicate, how we make decisions. Yet they're absent from our digital lives; the devices and apps we interact with have no way of knowing how we feel. Scientist...
SciShow
We're bad judges, better teachers, and video games are pretty good for us
Humans judge each other within 33 milliseconds of seeing each other! We learn better if we think we have to teach someone else, and video games are good for us!
TED Talks
TED: How I'm fighting bias in algorithms | Joy Buolamwini
MIT grad student Joy Buolamwini was working with facial analysis software when she noticed a problem: the software didn't detect her face -- because the people who coded the algorithm hadn't taught it to identify a broad range of skin...
SciShow
The Most Dangerous Part of Space Travel Coming Home
SciShow Space takes you through perhaps the scariest part of every space mission -- re-entry. How do astronauts survive the turbulent return to Earth’s atmosphere? Math, y’all!
TED Talks
TED: Why privacy matters | Glenn Greenwald
Glenn Greenwald was one of the first reporters to see -- and write about -- the Edward Snowden files, with their revelations about the United States' extensive surveillance of private citizens. In this searing talk, Greenwald makes the...
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 disagree productively and find common ground | Julia Dhar
Some days, it feels like the only thing we can agree on is that we can't agree -- on anything. Drawing on her background as a world debate champion, Julia Dhar offers three techniques to reshape the way we talk to each other so we can...
Crash Course
Eclipses
The big question in the comments last week was, "BUT WHAT ABOUT ECLIPSES?" Today, Phil breaks 'em down for you.
TED Talks
Colin Powell: Kids need structure
How can you help kids get a good start? In this heartfelt and personal talk, Colin Powell, the former U.S. Secretary of State, asks parents, friends and relatives to support children, starting before they even get to primary school,...
TED Talks
TED: How I named, shamed and jailed | Anas Aremeyaw Anas
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Undercover journalist Anas Aremeyaw Anas has broken dozens of stories of corruption and organized crime all over...
SciShow
Does the Camera Really Add Ten Pounds?
Your friend just tagged you in 17 photos on Facebook but you swear those photos lie about your weight. Is the camera playing tricks with your eyes?
SciShow
7 Kinds of Makeup Chemistry
You look really pretty, but what are you actually putting all over your face?
Be Smart
Why Do Disney Princesses All Look Like Babies?
I noticed something weird about Disney Princesses lately. Naturally, I had to examine it through the lens of science. The answer led me to new knowledge about human development, the domestication and taming of animals, and why we find...