From aspirin to anticoagulants, penicillin to cancer treatments, some of our most important human medicines come from plants. But extracting the medicinal compounds from plants can be complex, costly and unreliable. Which is why scientists are trying to brew them instead. Inside the hunt to brew an opioid painkiller from common ingredients such as sugar and yeast.


A scary discovery from Arctic ice researcher David Barber — that hints at wild weather to come.


We know surprisingly little about what we want to eat, and why. Researcher Brian Wansink has been leading thousands of studies to understand more.


Afghan-born artist Behnaz Babazadeh hopes to spark a conversation about the burka … by wrapping herself in candy.

Kelly Rakowski for TED

Why an environmental chemist in Holland is betting that both farming and hospitals might be improved with the use of a fancy form of water.

How we're making a pill that cures radiation poisoning | TED

Chemist Rebecca Abergel and her colleagues have found a way to remove radioactive contaminants from the body. Now they are trying to put their solution in a pill.


Anna Rosling-Rönnlund collects photographs of everyday objects from the richest to the poorest households. Even a toothbrush, she says, can reveal a world of inequalities.