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

Hr2: Stem Cells, Future of Sex, Summer Sci-Fi Reading

A look at how stem cells found in the blood can be used to treat cancer, diabetes and other diseases. Them, Hank Greely explores the legal and ethical frontiers of human reproductive technology, and we collect recommendations for summer science fiction reading.

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.