SciShow Kids
Why Do Zebras Have Stripes? Animal Science for Kids
Jessi and Squeaks look into an animal mystery: Why do zebras have stripes?
Crash Course
Witchcraft: Crash Course European History
During our last several episodes, Europe and the European-controlled world have been in crisis. Wars, disease, climate changes, and shifts in religious and political power threw the European world into turmoil. People were looking for a...
TED Talks
TED: How we'll fight the next deadly virus | Pardis Sabeti
When ebola broke out in March 2014, Pardis Sabeti and her team got to work sequencing the virus's genome, learning how it mutated and spread. Sabeti immediately released her research online, so virus trackers and scientists from around...
TED Talks
TED: The loves and lies of fireflies | Sara Lewis
Biologist Sara Lewis has spent the past 20 years getting to the bottom of the magic and wonder of fireflies. In this charming talk, she tells us how and why the beetles produce their silent sparks, what happens when two fireflies have...
Crash Course
World War II Civilians and Soldiers: Crash Course European History
Our look at World War II continues with a closer examination of just how the war impacted soldiers in the field, and the people at home. For many of the combatants, the homefront and the warfront were one and the same. The war disrupted...
SciShow
The Sex Lives of Early Humans
Hank talks about ancient sexy times, and how we know that early humans were getting it on with all kinds of folks.
TED Talks
TED: Everything you think you know about addiction is wrong - Johann Hari
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. What really causes addiction -- to everything from cocaine to smart-phones? And how can we overcome it? Johann Hari...
TED Talks
Erricka Bridgeford: How Baltimore called a ceasefire
In one day, in one city, in one neighborhood -- what if everyone put their guns down? Erricka Bridgeford is a peacemaker who wants to stop the murders and violence in her hometown of Baltimore. So she helped organize the Baltimore...
SciShow
7 Real-Life Unicorns
Unicorns may not exist on this planet, but Earth does have plenty of one-horned creatures that are just as remarkable, if not quite as majestic. Chapters NARWHALS 0:34 RHINOCEROS BEETLES 4:19 ASIAN RHINOCEROS BEETLE RHINOCEROS HORNBILLS...
TED Talks
TED: How societies can grow old better | Jared Diamond
There's an irony behind the latest efforts to extend human life: It's no picnic to be an old person in a youth-oriented society. Older people can become isolated, lacking meaningful work and low on funds. In this intriguing talk, Jared...
TED Talks
TED: Big data is better data | Kenneth Cukier
Self-driving cars were just the start. What's the future of big data-driven technology and design? In a thrilling science talk, Kenneth Cukier looks at what's next for machine learning -- and human knowledge.
TED Talks
TED: Why gun violence can't be our new normal | Dan Gross
It doesn't matter whether you love or hate guns; it's obvious that the uS would be a safer place if there weren't thousands of them sold every day without background checks. Dan Gross, president of the Brady Campaign to Prevent Gun...
TED Talks
TED: The world's oldest living things | Rachel Sussman
Rachel Sussman shows photographs of the world's oldest continuously living organisms -- from 2,000-year-old brain coral off Tobago's coast to an "underground forest" in South Africa that has lived since before the dawn of agriculture.
SciShow
The Mystery of the Barreleye Fish
In the Pacific Ocean, there lives a fish that's . . . a little different. Hank tells you all about the Pacific barreleye fish!
TED Talks
Bill Gates: Mosquitos, malaria and education
Bill Gates hopes to solve some of the world's biggest problems using a new kind of philanthropy. In a passionate and, yes, funny 18 minutes, he asks us to consider two big questions and how we might answer them. (And see the Q&A on the...
SciShow
How a Bee Becomes Queen
Royal jelly! For bees, it’s what makes all the difference between a queen and a worker.
TED Talks
TED: The next manufacturing revolution is here | Olivier Scalabre
economic growth has been slowing for the past 50 years, but relief might come from an unexpected place -- a new form of manufacturing that is neither what you thought it was nor where you thought it was. Industrial systems thinker...
Crash Course
Aesthetics: Crash Course Philosophy
How do art and morality intersect? Today we look at an ethically questionable work of art and discuss R. G. Collingwood’s view that art is best when it helps us live better lives. We’ll go over Aristotle’s concept of catharsis and how it...
SciShow
What We’re Learning from the Brightest Supernova Ever Seen - SciShow News
It’s been a great week for space explosions! Astronomers learned more about the mechanism that causes novas by looking at the nova V906 Carinae, and the brightest supernova ever recorded shed some new light on pulsation pair-instability.
TED-Ed
TED-Ed: What does it mean to be a refugee? - Benedetta Berti and Evelien Borgman
About 60 million people around the globe have been forced to leave their homes to escape war, violence and persecution. The majority have become Internally Displaced Persons, meaning they fled their homes but are still in their own...
SciShow Kids
The Loudest Bugs in the World
Cicadas are small insects, but they're famous for being one of the loudest animals in the world!
TED Talks
Jarrell Daniels: What prosecutors and incarcerated people can learn from each other
A few weeks before his release from prison, Jarrell Daniels took a class where incarcerated men learned alongside prosecutors. By simply sitting together and talking, they uncovered surprising truths about the criminal justice system and...
SciShow
Is There a Way to Sober Up Faster?
You may be aware of certain hacks to sober up, but researchers have found a way to actually get booze out of our systems faster. And this discovery could help first responders when facing alcohol overdoses.
TED Talks
TED: Want to be happier? Stay in the moment | Matt Killingsworth
When are humans most happy? To gather data on this question, Matt Killingsworth built an app, Track Your Happiness, that let people report their feelings in real time. Among the surprising results: We're often happiest when we're lost in...