Science Friday

Science Friday with host Ira Flatow discusses the latest in science, technology, health, and the environment. It's brain fun, for curious people.

Recent Episodes

Hr1: News Roundup, Dinos and Dark Matter, Back to the Future

A look at this week in science, physicist Lisa Randall explores the theory that a disc of dark matter could have been responsible for the demise of the dinosaurs, and visual effects art director John Bell talks about how he imagined the then-distant world of 2015 for Back to the Future II.