TED-Ed
TED-Ed: The history of the world according to cats - Eva-Maria Geigl
In ancient times, wildcats were fierce carnivorous hunters. And unlike dogs, who have undergone centuries of selective breeding, modern cats are genetically very similar to ancient cats. How did these solitary, fierce predators become...
TED Talks
TED: How to transform apocalypse fatigue into action on global warming | Per espen Stoknes
The biggest obstacle to dealing with climate disruptions lies between your ears, says psychologist and economist Per espen Stokes. He's spent years studying the defenses we use to avoid thinking about the demise of our planet -- and...
SciShow
Why Does My Face Turn Red When I'm Angry?
Have you ever wondered why your face turns red when you’re angry? Check out this SciShow Quick Question to learn why!
Crash Course
Medieval China: Crash Course History of Science
Like Egypt, Sumer, and Mesoamerica, ancient China represents a hydraulic civilization—one that maintained its population by diverting rivers to aid in irrigation—and one that developed writing thousands of years ago. Today, we’re going...
SciShow
7 of Australia's Most Terrifying Inhabitants
If you've spent any time on the internet, you know that Australia is host to all sorts of horrible spiders and snakes. But that doesn't even begin to cover the myriad of dangerous, sometimes deadly, plants and animals you might encounter...
TED Talks
TED: The board game getting kids excited about school | Joel Baraka
Going to school in a refugee camp can be complicated: students encounter crowded classrooms, rigid curricula and limited access to teachers. Joel Baraka, who grew up in the Kyangwali refugee camp in Uganda, is determined to change that...
Crash Course
How YouTube Knows What You Should Watch
Today we’re going to talk about recommender systems which form the backbone of so much of the content we see online from video recommendations on YouTube and Netflix to ads we see on Facebook, Twitter, and well, everywhere else. We’ll...
SciShow
What We Can Learn From 10,000 Pack-Hunting Spiders
Most spiders are solitary creatures, but a few species group up instead, creating giant colonies where they live and hunt together.
SciShow
This Is Your Brain On Food | Compilation
Food provides our bodies with the energy to go about our daily tasks, but we don't eat only for our physical health. Our brains are also deeply connected to our food.
TED Talks
TED: A new way to fund health care for the most vulnerable | Andrew Bastawrous
In 2011, eye surgeon and TED Fellow Andrew Bastawrous developed a smartphone app that brings quality eye care to remote communities, helping people avoid losing their sight to curable or preventable conditions. Along the way, he noticed...
SciShow
Borderline Personality Disorder: Sorting Fact From Fiction
There are so many persistent myths about Borderline Personality Disorder. But, the reality of being quote “borderline” is much more nuanced — and hopeful. Chapters Borderline Personality Disorder 0:16 identity disturbance 3:11 dialectic...
SciShow
Getting Crayfish Drunk... For Science!
What can drunk crayfish tell us about how being social can affect our physiology?
SciShow
Facts about Human Evolution
Hank brings you the facts, as they are understood by scientists today, about the evolution of humans from our humble primate ancestors. On the way to becoming Homo sapiens, game-changing evolutionary breakthroughs led to the development...
Crash Course
Reform and Revolution 1815-1848: Crash Course European History
In the aftermath of the revolutions and upheaval in 18th and early 19th century Europe, there was a hunger for reform across the continent. Reformers like Robert Owen, Charles Fourier, and Auguste Comte proposed radical new ideas, and at...
Crash Course
Global Stratification & Poverty: Crash Course Sociology
This week we’re taking our discussion of stratification global. We’ll look at First and Third World countries and the reasons why these terms are no longer used. We’ll introduce the four types of country categories we now use: high...
SciShow
These Chimps Treat Each Other’s Wounds. With Bugs
Chimpanzees in Gabon have been observed using bugs as a possible antiseptic, but what's more surprising is that they're applying this remedy to one another in what may be a form of chimpanzee health care.
SciShow
Attachment Theory: How Your Childhood Shaped You
Our interpersonal relationships start forming as soon as we’re born, and psychologists have studied how those early connections can set the stage for the other relationships we form later in life.
TED Talks
TED: Dare to refuse the origin myths that claim who you are | Chetan Bhatt
We all have origin stories and identity myths, our tribal narratives that give us a sense of security and belonging. But sometimes our small-group identities can keep us from connecting with humanity as a whole -- and even keep us from...
TED Talks
Temple Grandin: The world needs all kinds of minds
Temple Grandin, diagnosed with autism as a child, talks about how her mind works -- sharing her ability to "think in pictures," which helps her solve problems that neurotypical brains might miss. She makes the case that the world needs...
TED Talks
Geoff Mulgan: Post-crash, investing in a better world
As we reboot the world's economy, Geoff Mulgan poses a question: Instead of sending bailout money to doomed old industries, why not use stimulus funds to bootstrap some new, socially responsible companies -- and make the world a little...
TED Talks
Mundano: Trash cart superheroes
In Brazil, "catadores" collect junk and recyclables. But while they provide a vital service that benefits all, they are nearly invisible as they roam the streets. Enter graffiti artist Mundano, a TED Fellow. In a spirited talk, he...
SciShow
Why Are Celebrity Crushes So Intense?
Your love for Rihanna or Tom Hardy may be unrequited, but that doesn't necessarily make it unhealthy.
Crash Course
What is Urban Planning? Crash Course Geography
Today we’re going to talk about urban planning — which is the design and regulation of space within urban areas. Urban planning helps weave together economic, social, and environmental goals within a region from work, to play, and...
Be Smart
Why Do We Laugh?
Laughing is a universal human behavior, one that transcends borders of language and culture. But it's also REALLY WEIRD. Why do we do it? The answer has less to do with humor than you might think