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, Firearms Research, Cephalopod Week

Some researchers argue that we need more research on nearly every interaction people have with guns -- including storage, training, theft, suicides, accidents, and so on. Plus, the amazing world of the octopus, and news from the week in science.

Hr2: Google Doodles, Mary Roach and Grunt, Hyperloop

In Grunt, author Mary Roach looks at the technology used to battle disease, shock, and exhaustion in the ranks. Plus, Google Doodle team leader Ryan Germick joins Ira to give some insight into how doodlers doodle, and a peek inside the Hyperloop project.

Hr2: Alzheimers and Infection, E-Cigarettes, Earthquake App, Vocal Fry

A provocative new study suggests that infection may spur the buildup of amyloid-beta, and that Alzheimer's disease could be a toxic side effect. Plus, assessing risk, known and unknown, in the age of vaping, and a look at what vocal fry in music conveyed to listeners.