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, Planet 9, Drilling Deep, Book Club

Researchers calculate that there may be a large undiscovered ninth planet lurking in the distant reaches of our solar system. Plus, a deep drilling project, and the SciFri Book Club tackles an Oliver Sacks autobiography.

Hr1: News Roundup, Deep Space Design, Infant Microbiome

Researchers are trying to sort out what effect factors like an infant's delivery method and early diet have on its community of microorganisms. Plus, how space habitations could be constructed out of concrete made of Martian sulfur and inflatable materials, and a roundup of the week's news.

Hr1: News Roundup, Self-Driving Cars, Beautiful Instruments

Imagine a future in which all cars can drive themselves. What might that do to our cities, towns, and society? Plus, the beauty of early scientific and medical instruments, and a roundup of the week in science.

Hr2: Future of Personal Computing Circa 1992, Carl Sagan and Ann Druyan

Tech industry observer Esther Dyson looks back at predictions she made about the future of personal computing, circa 1992. Then, in an archival interview from October 9, 1992, Carl Sagan and Ann Druyan talk about their book Shadows of Forgotten Ancestors: A Search for Who We Are.