TED Talks
Colette Pichon Battle: Climate change will displace millions. Here's how we prepare
Scientists predict climate change will displace more than 180 million people by 2100 -- a crisis of "climate migration" the world isn't ready for, says disaster recovery lawyer and Louisiana native Colette Pichon Battle. In this...
TED Talks
TED: A different understanding of American patriotism | Deval Patrick
American democracy cannot be great until it is good, says lawyer, Harvard professor and former governor of Massachusetts Deval Patrick. A self-identified patriot, Patrick stands behind the fundamental values and civic ideals that he...
SciShow
Why a Bad Series Finale Ruins the Whole Show
Objectively, some shows end with rough final acts, but we are finding that this isn’t the only factor in our discontent. Unsatisfactory finales also reflect common types of relationships we build with fictional characters.
SciShow
Why Does Crying Make You Feel Better?
Have you ever wondered why you feel better after a good, hearty sob? Well, it turns out the reasons are kind of a mystery, and they range from social support to brain temperature.
TED Talks
TED: Our unhealthy obsession with choice | Renata Salecl
We face an endless string of choices, which leads us to feel anxiety, guilt and pangs of inadequacy that we are perhaps making the wrong ones. But philosopher Renata Salecl asks: Could individual choices be distracting us from something...
TED Talks
Ellen Jorgensen: Biohacking -- you can do it, too
We have personal computing -- why not personal biotech? That's the question biologist Ellen Jorgensen and her colleagues asked themselves before opening Genspace, a nonprofit DIY bio lab in Brooklyn devoted to citizen science, where...
SciShow
Why Are COVID Fatality Rates Dropping?
Near the end of 2020, we got some puzzling but good news: COVID-19 fatality rates have been dropping. Here are a few factors that might help explain why we’re seeing this trend.
TED Talks
TED: How Syria's architecture laid the foundation for brutal war | Marwa Al-Sabouni
What caused the war in Syria? Oppression, drought and religious differences all played key roles, but Marwa Al-Sabouni suggests another reason: architecture. Speaking to us over the Internet from Homs, where for the last six years she...
SciShow
Did Dinos Dance? And Other Behavior Questions
Dinosaurs were social animals, moving in herds, hunting in packs, but could they dance?
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...
TED Talks
Ami Klin: A new way to diagnose autism
Early diagnosis of autism spectrum disorder can improve the lives of everyone affected, but the complex network of causes make it incredibly difficult to predict. At TEDxPeachtree, Ami Klin describes a new early detection method that...
TED Talks
Seth Priebatsch: The game layer on top of the world
In this far-seeing talk, Seth Priebatsch shows how game dynamics are reshaping the world -- from a classroom where students "level up" instead of being graded ,to a pervasive game called "happy hour" that you may already be playing. Get...
TED Talks
Teddy Cruz: How architectural innovations migrate across borders
As the world's cities undergo explosive growth, inequality is intensifying. Wealthy neighborhoods and impoverished slums grow side by side, the gap between them widening. In this eye-opening talk, architect Teddy Cruz asks us to rethink...
SciShow
Why Do We Have Such Long Childhoods?
Compared to most animals in the vast kingdom, humans have one of the longest childhoods. And you might think this is so we have time to develop our advanced thinking skills, but scientists think it might not be that simple.
SciShow
Why Do Cats Knead?
SciShow tackles one of the cutest questions ever: Why cats knead. You might have heard the theory, but do you know what adult cats would hold on to kitten-like behavior? The answers await!
TED Talks
Michael Green: What the Social Progress Index can reveal about your country
The term Gross Domestic Product is often talked about as if it were “handed down from god on tablets of stone.” But this concept was invented by an economist in the 1930s. We need a more effective measurement tool to match 21st century...
Crash Course
Why Do Outbreaks Affect People Unequally? Crash Course Outbreak Science
We’re all susceptible to infectious disease of some kind or other, but not everyone is equally likely to be the victim of an outbreak. The fact is, inequalities both between and within communities mean that some people are at higher risk...
SciShow
Cheating Can Be Hazardous to Your Health
Hank brings you news from around the universe, including what you can't blame on global warming, why being unfaithful is hazardous to your health, and how to watch a particularly awesome spectacle coming to a sky near you.
TED Talks
TED: 6 ways to save the internet | Roger McNamee
The next big shift is now, and it's not what you think: Facebook is the new Windows; Google must be sacrificed. Tech investor Roger McNamee presents 6 bold ways to prepare for the next internet.
Crash Course
Shirley Chisholm: Crash Course Black American History #43
In 1972, Shirley Chisholm ran for president of the United States of America as a Democrat. She didn't win, but this was not the beginning or the end of her career in politics. She held a congressional seat in the New York delegation for...
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...