Episode (133)
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The incredible cancer-detecting potential of photoacoustic imaging | Lei Li
Feb 02, 2022Could we use the energy from light and sound to detect disease? TED Fellow Lei Li shares the exciting promise of photoacoustic imaging: an affordable, painless and accurate method of converting light ...
Could we treat Alzheimer's with light and sound? | Li-Huei Tsai
Jan 24, 2022What if we could use brain waves to treat Alzheimer's? Professor and neuroscientist Li-Huei Tsai details a promising new approach to artificially stimulate gamma brain waves using light and sound ther...
How biochar removes CO2 from the air -- and helps farmers thrive | Axel Reinaud
Jan 10, 2022Biochar is a kind of charcoal that removes CO2 from the atmosphere, helping yield healthy crops and even producing abundant renewable energy in the form of electricity as it's made. This exciting clim...
A king cobra bite -- and a scientific discovery | Gowri Shankar
Dec 17, 2021A king cobra has enough venom to kill 10 people in a single bite. Recounting his near-death experience after being bitten by one of these majestic yet deadly snakes, conservationist and TED Fellow Gow...
The science of extreme weather — and how to reduce the harm | Al Roker, Al Gore, David Biello and Latif Nasser
Nov 23, 2021Floods, droughts, heat waves and cold blasts -- why is the weather becoming more extreme? Environmentalist and "America's weatherman" Al Roker discusses the link between climate change and disruptions...
The problem of vaccine spoilage -- and a smart sensor to help | Nithya Ramanathan
Nov 03, 2021Refrigerators do much more than store your groceries -- they're also vital to preserving and distributing vaccines. Illustrating the realities of (and threats to) global vaccine supply chains, technol...
How we could eat real meat without harming animals | Isha Datar
Oct 19, 2021What if you could eat chicken nuggets without harming a chicken? It's possible through "cellular agriculture," says Isha Datar. In a talk about cutting-edge science, she explains how this new means of...
The brain science of obesity | Mads Tang-Christensen
Oct 06, 2021Your belly and your brain speak to each other, says obesity researcher Mads Tang-Christensen. Offering scientific proof that obesity is a disease influenced by genetics and the environment, he introdu...
Planet City -- a sci-fi vision of an astonishing regenerative future | Liam Young
Sep 20, 2021Get transported on a stunningly rendered, sci-fi safari through Planet City: an imaginary metropolis of 10 billion people, from the brain of director and architect Liam Young. Explore the potential ou...
A sci-fi vision of life in 2041 | Chen Qiufan
Sep 08, 2021Sci-fi writer Chen Qiufan doesn't fear a dystopian future. Instead, he believes developments in artificial intelligence will make all of our lives better, healthier and safer. He takes us on a tour of...