Paralyzed by a stroke, Henry Evans uses a telepresence robot to take the stage and show how new robotics, tweaked and personalized by a group called Robots for Humanity, help him live his life to the full. He shows off a nimble little...

Future advances in engineering may come from chemistry. From molecular motors to salt-shaker-drug-deliverers, the future looks small.

It's time to look at some of the most under-sung heroes of the film world, Grip and Electric. Doing everything from setting up dollies and tripods, to helping the cinematographer shape the light with flags and silks, the Grips are there...

Top climate scientist James Hansen tells the story of his involvement in the science of and debate over global climate change. In doing so he outlines the overwhelming evidence that change is happening and why that makes him deeply...

A vaccination to protect against allergic asthma may be in sight, as scientists this week publish promising results in mice. Also, the California Condor is making a comeback, and its genome is looking great!

Neuroscientist Michael Merzenich looks at one of the secrets of the brain's incredible power: its ability to actively re-wire itself. He's researching ways to harness the brain's plasticity to enhance our skills and recover lost function.

So how can a game teach us about engineering? Pretty easily! When you're trying to solve a game, or a puzzle, or whatever, you will have a bunch of variables. The trick is knowing how to change one variable at a time to see what changes....

Inventor Nick Sears demos the first generation of the Orb, a rotating persistence-of-vision display that creates glowing 3D images. A short, cool tale of invention.

Tesla's Autopilot system is the most advanced available right now, but it has limitations, and some of those limitations might be us.

Are children poor liars? Do you think you can easily detect their lies? Developmental researcher Kang Lee studies what happens physiologically to children when they lie. They do it a lot, starting as young as two years old, and they're...

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.

If you've heard of Toxic Shock Syndrome, you might think you can only get it from tampons, but the bacteria that cause this problem are surprisingly common and we still don't know why they sometimes turn deadly.

In some parts of the world, girls are as likely to be married off or trafficked as they are to be educated. Photojournalist and TED Fellow Smita Sharma thoughtfully depicts overlooked girls and young women, while making sure not to...

If you had the power to forget, would you do it? Michael Aranda explains how this might be possible in this episode of SciShow.

Your brain is hard-wired to do all sorts of things when you are not consciously thinking about something. But just because it’s normal for your mind to wander doesn’t mean that it’s always good! Luckily, once you know how it works, you...

Optogenetics may allow us to use light like a remote control for our brains, and treat diseases like retinitis pigmentosa.

In which John Green teaches you about Reconstruction. After the divisive, destructive Civil War, Abraham Lincoln had a plan to reconcile the country and make it whole again. Then he got shot, Andrew Johnson took over, and the...

Explore William Shakespeare’s play “The Tempest”, a story of shipwreck, magic and a fight for power. -- Claps of thunder and flashes of lightning illuminate a swelling sea, as a ship buckles beneath the waves. It is no ordinary...

What controls aging? Biochemist Cynthia Kenyon has found a simple genetic mutation that can double the lifespan of a simple worm, C. elegans. The lessons from that discovery, and others, are pointing to how we might one day significantly...

If you've ever played with a ouija board, you might have gotten the spooky sensation of an other worldly presence. But really, that's just your brain playing tricks on you.

You are more likely to die violently if you live in a middle-income democracy with high levels of inequality and political polarization than if you live in a country at war, says democracy advisor Rachel Kleinfeld. This historical shift...

If you've watched the news or followed politics, chances are you've heard the term Orwellian thrown around in one context or another. But have you ever stopped to think about what it really means, or why it's used so often? Noah Tavlin...

Your boss probably isn't paying you what you're worth -- instead, they're paying you what they think you're worth. Take the time to learn how to shape their thinking. Pricing consultant Casey Brown shares helpful stories and learnings...

What's stopping the American government from recording your phone calls, reading your emails and monitoring your location? Very little, says surveillance and cybersecurity counsel Jennifer Granick. The government collects all kinds of...