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, Telescope, Sunscreen, Paleoanthropology

A new report says only one quarter of SPF products on the market are up to snuff. And a customizable melanin-like material could offer better protection from the sun.Plus, hominin fossils dating to 300,000 years ago have been found at a site in Morocco.

Hr1: News Roundup, Fisheries, Hedy Lamarr, LIGO

Scientists using LIGO detected a third gravitational wave, this time from two colliding black holes located 3 billion light-years away. Plus, the tale of actress and inventor Hedy Lamarr.

Hr2: Allergies, Bionic Limb Connections, Exosuit

A look at why our immune systems turn on us, and why we are still powerless to stop the attack. Plus, an innovative muscle graft could help people with amputations feel their bionic limbs. And how researchers are developing wearable devices that can improve human movement.

Hr2: Jupiter, Useless Research, Leland Melvin

Scientists report the first scientific results from the Juno mission, now in orbit around Jupiter. Plus reviving a case for foundational science that dates back to Einstein. And Leland Melvin on the perseverance and different communities that helped launch his career into space.