It began with just 10 electric scooters in Santa Monica, California, but soon sidewalks and streets were flooded with thousands of them. Essentially skateboards with handles that can be picked up and dropped off anywhere, they've been...

Hank explores the science behind the topics of the day, including a look at the current "pandemic" of concussions in professional sports and new insights into what really caused the worst plagues in human history, and what it portends...

In a talk that could change how you see things, designer and artist Jiabao Li introduces her conceptual projects that expose the inherent bias of digital media. From a helmet that makes you "allergic" to the color red to a browser...

What is a concussion? Probably not what you think it is. In this talk from the cutting edge of research, bioengineer (and former football player) David Camarillo shows what really happens during a concussion -- and why standard sports...

Wingsuit jumping is the leading edge of extreme sports -- an exhilarating feat of almost unbelievable daring, where skydivers soar through canyons at over 100MPH. Ueli Gegenschatz talks about how (and why) he does it, and shows...

Self-driving cars are already cruising the streets today. And while these cars will ultimately be safer and cleaner than their manual counterparts, they can't completely avoid accidents altogether. How should the car be programmed if it...

When he was young, artist Shih Chieh Huang loved taking toys apart and perusing the aisles of night markets in Taiwan for unexpected objects. Today, this TED Fellow creates madcap sculptures that seem to have a life of their own—with...

Chris Kluwe wants to look into the future of sports and think about how technology will help not just players and coaches, but fans. Here the former NFL punter envisions a future in which augmented reality will help people experience...

The Brodie helmet, widely used during the first World War, had some serious design flaws, . But thanks to those flaws we now have a staggeringly accurate map of the brain.

Organisms have evolved many clever forms of armor so that they can be ready for whatever nature throws at them. And us flimsy humans can learn to enhance our armor by taking inspiration from some of these creatures, and not necessarily...

Uncle Gobb and the Green Heads – Illustrator

Eric and Michelle Sullivan found out at the 20 week ultrasound that their baby had many of the signs of Down Syndrome. A few weeks later the blood test confirmed it.



Despite several serious medical...

Howcast - A blow to the noggin may not seem like a big deal when it happens. But, left untreated, some can be deadly serious. And repeated head knocks can have dire health consequences years later. Here's how to prevent head injury and...

Howcast - Learn how to clean a motorcycle helmet in this Howcast motorcycle video with expert Kenyon Kluge.

Howcast - Learn how to choose motorcycle gear in this Howcast motorcycle video with expert Kenyon Kluge.

Howcast - Learn about bike safety and laws from Silk Road Cycles' Brendon Nicholas in this Howcast bicycle repair and maintenance video.

Howcast - Check out part 7 and explore Mars with Jane Shepard and find out why Cerberus is attacking in this walkthrough for Mass Effect 3.

Howcast - Learn how a bike helmet protects you from racer Alexander Barouh in this Howcast road cycling video.

Howcast - Learn how to make Minecraft armor with this gameplay tutorial.

Howcast - Step into your roller skates and learn to get your glide on!

Howcast - Riding a bicycle is a fun way to get around, and it also can have a big impact on reducing carbon emissions, so if you know someone who needs some instruction, help them out.

Howcast - Head trauma can lead to death or brain injuries that can affect your memory, judgment, reflexes, speech, balance, and coordination. Check out these tips on how to prevent concussions.

Howcast - Learn about safety gear for rollerblades from former World Champion speed skater Gypsy Lucas in this Howcast video.

Howcast - Learn the top three skateboarding safety tips from competitive skateboarder Nate Cohen in this Howcast skateboarding video.