Each of these contestants has won against the other on Quiz Show before. But this time, we will truly find out who is the best!

We tend to think of physical blindness like a blindfold, but it’s much more complicated than that, and in some instances, people who have lost their vision can still "see" subconsciously.

The internet is full of tips, tricks, and strategies to tell when somebody is lying, but the reality of lie detection isn't quite as clean and definitive as it is on TV.

In 1993, Bill and Melinda Gates took a walk on the beach and made a big decision: to give their Microsoft wealth back to society. In conversation with Chris Anderson, the couple talks about their work at the Bill & Melinda Gates...

Search engines have become our most trusted sources of information and arbiters of truth. But can we ever get an unbiased search result? Swedish author and journalist Andreas ekstrom argues that such a thing is a philosophical...

SIR models for epidemics, showing how tweakign behavior can change an outbreak.

Anil Gupta is on the hunt for the developing world's unsung inventors -- indigenous entrepreneurs whose ingenuity, hidden by poverty, could change many people's lives. He shows how the Honey Bee Network helps them build the connections...

For many, COVID has been a devastating virus, but there are people who don't exhibit any symptoms at all. Why is that?

Like most allergies, you can become immune to mosquito bites, but it might not be worth it.

SciShow News explains the science behind the latest efforts to stop the spread of ebola: including airport screenings, treatments for patients, and developments in the search for a vaccine.

eL Seed fuses Arabic calligraphy with graffiti to paint colorful, swirling messages of hope and peace on buildings from Tunisia to Paris. The artist and TED Fellow shares the story of his most ambitious project yet: a mural painted...

The term "gaslighting" has gained popularity in recent years, but what exactly does it entail?

What happens when you send a duck, a rooster and a sheep with monkeys and dogs into space? Scientists had to find out -- and for decades, they've been studying life in space with the help of some crawly, wiggly, fluttery, furry friends.

Feeling safe is a human right -- but in many African countries, colonial-era laws make it dangerous for LGBTQIA+ people to gather and share their sexual orientation, gender identity or gender expression. Creating a space that leaves no...

We all have habits we’d love to make or break. Understanding exactly what a habit is might be the best way to start making them work for you.

Denial of Service (DOS) or Distributed Denial of Service (DDOS) attacks take down servers by distracting them with meaningless traffic until basically they can't take it any more. The way we talk about the result of a software program...

To all appearances, Eleanor Longden was just like every other student, heading to college full of promise and without a care in the world. That was until the voices in her head started talking. Initially innocuous, these internal...

It's been just about a year now since we first heard about COVID-19, and while we've learned a lot since then, there are still some big questions we'd like answered. Here are three of them.

When personal relationships and ideological differences collide, the result can lead to strained relations -- or even years of silence and distance. Actor Betty Hart offers an alternative to cold shoulders and haughty hellos: compassion,...

If you are a living, breathing human being, chances are you have felt sad at least a few times in your life. But what exactly is melancholy, and what (if anything) should we do about it? Courtney Stephens details our still-evolving...

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...

It turns out that dogs are born with a lot of their ability to interact with people, and songbirds have to mute their minds to stay in sync during their quick back and forth duets.

Income and wealth inequality are not new. In fact, economists and historians who have charted economic inequality throughout history haven't found a single society without it. Which raises a bleak question: is inequality ... inevitable?...

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...