
Could 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 into sound in order to create high-resolution images of what's going on inside our bodies. From early detection of breast cancer to steering medicine-delivering micro-robots, learn how this cutting-edge technology could open up a new world of possibility when it comes to seeing, tracking and diagnosing disease.
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Biochar 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 climate change fighter…
A 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 Gowri Shankar shares…
Floods, 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 to weather…
Refrigerators 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, technologist and TED…
What 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 food production…