The Agony and Ecstasy of Capsaicin

Covering everything about science and technology -- from the outer reaches of space to the tiniest microbes in our bodies -- Science Friday is your source for entertaining and educational stories and activities. Each week, host Ira Flatow interviews scientists and inventors like Sylvia Earle, Elon Musk, Neil deGrasse Tyson, and more.

Science & Medicine

Natural Sciences

Social Sciences

Medicine

Wondrous Beauty Made From Dead Insects

A Tour Through Maria Ferreira’s Crystal Gardens

How Puffins On The Gulf Of Maine Act As ‘Sentinels Of Climate Change’

Breakthrough: The Trauma Tracer

Breakthrough: The Avian Authority

Science Friday Videos

The Agony and Ecstasy of Capsaicin

Download our free app to listen on your phone