This video is about the famous 'Twins paradox' of special relativity, how time can appear to be faster for two different observers at the same time, and which twin really is older (or younger) - the one who stays on earth or the one who...

To reduce the amount of carbon dioxide in the atmosphere, some researchers are taking carbon capture technology to the source(s) — for example, slurping up CO2 before it ever leaves the power plant that made it. But that's not all! Some...

One Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in one minute!

A Youtube Phishing Attack You Need to Watch Out For

Climate change is causing wildfire season to get worse every year. And our models of wildfires can't keep up with the things fires can do... like spawn devastating fire tornadoes.

A majority of American college graduates leave school with tens of thousands of dollars in student loans. The issue of paying for college is so concerning that several 2020 presidential candidates have proposed forgiving student debt or...

Paul Solman examines the inner workings of investment powerhouse Goldman Sachs and how it makes money. ( Part 1)

TED collaborates with animator Andrew Park to illustrate Denis Dutton's provocative theory on beauty -- that art, music and other beautiful things, far from being simply "in the eye of the beholder," are a core part of human nature with...

Over the years, scientists have made a lot of predictions about how Earth's climate is changing, but they don't just pull those predictions from thin air.

Human cannibalism is a lot more common than you might think. Dive into its complex history and see its uses in medicine, cultural rituals and in times of survival. -- 15th century Europeans believed they had hit upon a miracle cure: a...

This video is about the famous 'Twins paradox' of special relativity, how time can appear to be faster for two different observers at the same time, and which twin really is older (or younger) - the one who stays on earth or the one who...

Whether in a good way or a bad way, Twitter bots use psychology to trick you.

What's the best country to live in? Is it the one with the best food? The longest life expectancy? The best weather? For the past 70 years, most governments have relied heavily on a single number: the Gross Domestic Product, or GDP. But...

The hunt for dark matter is still on, and the candidates for it could be primordial black holes as massive as Earth, or axions, as tiny as the smallest subatomic particles in existence!

NIAC has awarded their first two grant winners for phase III: optical mining and 3D modeling craters, and researchers are further honing in on how to identify faraway habitable planets.

In this factual talk, geneticist Wendy Chung shares what we know about autism spectrum disorder — for example, that autism has multiple, perhaps interlocking, causes. Looking beyond the worry and concern that can surround a diagnosis,...

In this episode, welcome in Matt O'Dowd as the new host to rigorously take you through the mysteries of space, time, and the nature of reality. We're starting off this new season with perhaps one of the most mysterious things of all -...

Physicists estimate that dark matter accounts for about twenty three percent of the known universe - the only problem is that no one really knows what it is...

Scientists are still working on theories that might help explain what the vast majority of our universe is made of.

Roughly two billion people worldwide don't have access to banks or financial services like credit, insurance and investment -- or even a way to formally prove their identity. How do we bridge this divide? Mastercard CEO Ajay Banga sits...

You may know about The Marshmallow Test, a popular psychological exam to see if people have willpower, but psychologists found that it might not be measuring willpower after all.

Del Harvey heads up Twitter’s Trust and Safety Team, and she thinks all day about how to prevent worst-case scenarios -- abuse, trolling, stalking -- while giving voice to people around the globe. With deadpan humor, she offers a window...

After much debate, the realm has decided dragon jousting may not be the best way to choose its leaders, and has begun transitioning to democracy. Your company was hired to survey the citizens of the land and predict which candidate will...

Honestly, “spreadsheets” are kind of the vegetables of the business world -- the very idea of them makes some people queasy. But that’s ok! They can be intimidating, but they’re not impossible to understand. Today we’re going to learn to...