On Today's Podcast

The Human Obsession With Aliens Goes Way, Way Back

A new book charts the millennia-old history of our fascination with aliens, and how myth transformed into research.

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Most Recent Broadcast

September 12, 2025

Octopuses can use their suckers to detect harmful microbes on the surface of objects like crab shells, or their own eggs. Plus, a new book charts the millennia-old history of our fascination with aliens, and how myth transformed into research. And, golden oyster mushrooms have escaped from home growing kits into the wild. Could they affect fungal diversity in North American forests?

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From sneak peeks of the show to educational resources to events, stay up to speed with all things SciFri.

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Ocean Priorities

Ira talks with Peter Seligmann, chairman of Conservation International, and with Philippe Cousteau Jr. about the connections between ocean policy, the environment, and the economy.

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Chile Peppers

In this segment, live from Tucson, Arizona, we’ll take a scientific look at the chile pepper, from the chemistry and biology of a pepper’s burn, to the psychology of why some people like it hot. Grab some salsa and listen in!

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Building Social Robots

Sure, robots can weld car parts or stack cartons on an assembly line. But can they develop friendships with people? In this hour, Ira talks with inventors developing robots with personalities. How soon will it be before social, lovable robots enter our homes?

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Sputnik Anniversary

Fifty years ago, a little beeping ball stunned the world. Join Ira Flatow in this hour of Science Friday for a look back at Sputnik and its effect on the way we look at the world.

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Data Reawakening

As archivists struggle to store the mountain of data on the internet, researchers are trying to use atoms, diamonds, and DNA to let data live on forever.

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