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This is why your brain needs sleep

The brain uses a quarter of the body's entire energy supply, yet only accounts for about two percent of the body's mass. So how does this unique organ receive and, perhaps more importantly, rid itself of vital nutrients? New research…

How our microbes make us who we are

Rob Knight is a pioneer in studying human microbes, the community of tiny single-cell organisms living inside our bodies that have a huge — and largely unexplored — role in our health. “The three pounds of microbes that you carry around…

Brain-to-brain communication

You may remember neuroscientist Miguel Nicolelis — he built the brain-controlled exoskeleton that allowed a paralyzed man to kick the first ball of the 2014 World Cup. What’s he working on now? Building ways for two minds (rats and monkeys,…

How to look inside the brain

There have been remarkable advances in understanding the brain, but how do you actually study the neurons inside it? Using gorgeous imagery, neuroscientist and TED Fellow Carl Schoonover shows the tools that let us see inside our brains.…

Building a dinosaur from a chicken

Renowned paleontologist Jack Horner has spent his career trying to reconstruct a dinosaur. He's found fossils with extraordinarily well-preserved blood vessels and soft tissues, but never intact DNA. So, in a new approach, he's taking…

A lab the size of a postage stamp

Traditional lab tests for disease diagnosis can be too expensive and cumbersome for the regions most in need. George Whitesides' ingenious answer is a foolproof tool that can be manufactured at virtually zero cost. (more…)

Robot Revolution: Androids are coming

The race is on to build robots for the consumer market. But are there consequences to co-existing with humanoid machines? 16x9 speaks to some of the world's most brilliant people while exploring the Geminoid Project, Nao Robot, Baxter and…

Suzanne Lee: Grow your own clothes

Using bacterial-cellulose, Lee aims to address pressing ecological and sustainability issues around fashion and beyond. A Senior Research Fellow at Central Saint Martins, University of the Arts London, she is working with scientists to…

Robots That Mimic Biology

[youtube https://www.youtube.com/watch?v=F1gS3w6CMU0&w=420&h=315] Nature is our best engineer, and the finest robots are the ones that mimic it. Festo, a multinational robotics firm based in Germany, has made some of the most amazing…

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