We've got two perfectly good hands attached to two perfectly good arms, so why do most people prefer to use one over the other for common tasks?

Cú Chulainn, hero of Ulster, stood at the ford at Cooley, ready to face an entire army single handedly— all for the sake of a single bull. The army in question belonged to Queen Meadhbh of Connaught. Enraged at her husband's possession...

5 Sci-Fi Futures We Actually Have to Worry About

Trigger warnings are a relatively new (and divisive) concept, but do they really help?

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. A massive generation of young people is about to inherit the world, and it's the duty of everyone to give them a...

Fake news: le vrai problème, c’est nous



On parle souvent de « fake news », une menace insidieuse pour l’information. Et si, derrière cette expression fourre-tout, le problème était avant tout la manière dont nous...

Hank brings us up to date on the latest in the search for the Higgs boson and interviews Fermilab physicist Rob Roser.

The good news is that your experimental robo-ants are a success. The bad news is that you accidentally gave them the ability to shoot deadly lasers . . . and you can't turn it off. Can you stop them from escaping their habitat before the...

Raymond Wang is only 17 years old, but he's already helping to build a healthier future. using fluid dynamics, he created computational simulations of how air moves on airplanes, and what he found is disturbing -- when a person sneezes...

TED Fellow Sophal Ear shares the compelling story of his family's escape from Cambodia under the rule of the Khmer Rouge. He recounts his mother's cunning and determination to save her children.

Few mistakes sour good writing like nominalizations, or, as Helen Sword likes to call them, zombie nouns. Zombie nouns transform simple and straightforward prose into verbose and often confusing writing. Keep your nouns away from...

Since its founding in 1851, the "New York Times" has published thousands of obituaries -- for heads of state, famous celebrities, even the inventor of the sock puppet. But only a small percentage of them chronicle the lives of women and...

The Hubble Telescope found more evidence of vast plumes of water bursting through the icy surface of Jupiter's moon Europa. What does this tell us about the potential for life on Europa?

In this episode we discuss Schrodinger's cat, quantum entanglement, and our perception of reality.

In this video Paul Andersen shows conceptual thinking in a mini-lesson on material properties.


TERMS
Structure - parts in a mater
ial object
Function - an activity or purp
ose for a thing
Properties - any traits...

As a young girl, photojournalist and TED Fellow Kitra Cahana dreamed about running away from home to live freely on the road. Now as an adult and self-proclaimed vagabond, she follows modern nomads into their homes -- boxcars, bus stops,...

There have been a lot of scientific discoveries around COVID, but other science stories did happen in 2020 — including amazing discoveries about everything from dinosaurs to parasites.

Ten days after 9/11, a shocking attack at a Texas mini-mart shattered the lives of two men: the victim and the attacker. In this stunning talk, Anand Giridharadas, author of "The True American," tells the story of what happened next....

Albert Einstein strongly disagreed with Niels Bohr when it came to Bohr's interpretation of quantum mechanics. Quantum entanglement settled the argument once and for all.

SciShow News shares the latest insights into two powerful natural forces: El Nino and barfing.

This decade is a moment of choice unlike any we have ever lived, says Christiana Figueres, the architect of the historic 2015 Paris Agreement. The daughter of Costa Rica's beloved President José Figueres Ferrer, she shares how her...

A species of ant has been discovered to rescue and tend to the battle wounds of other ants injured while hunting, and scientists think that this is the first time this behavior has ever been observed in insects.

As our South Korean friends can confirm, video games can most definitely be a spectator sport. But will they ever catch on in a huge way in the good ol' U.S. of A?

That asteroid the headlines have been warning people about isn't likely to actually hit us, and scientists might have solved a mystery that could save lives: the relationship between tides and earthquakes.