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Scott Simon talks with Stanford University mathematics professor Keith Devlin, the Weekend Edition "math guy," about how math makes Internet security possible. It's all about encryption.

In some of the dirtiest places on Earth, author and environmentalist Andrew Blackwell found something worth looking at. His book, Visit Sunny Chernobyl, tours the deforestation of the Amazon, the oil sand mines in Canada and the world's most polluted city, located in China.

The Federal Trade Commission will vote Tuesday on whether to issue a final rule banning noncompete agreements. The Biden administration has argued that noncompetes harm workers and stifle competition.

The new remake of the 1989 Patrick Swayze film comes up short, caught between an unironic '80s homage and a more wised-up contemporary sensibility.

The Federal Trade Commission and 9 states want to stop the deal that would combine the country's two largest grocery store chains. The companies say they have to merge to compete with Walmart.

NPR's Ailsa Chang talks with Dipayan Ghosh, who worked at Facebook, about the testimony of the Big Tech CEOs before Congress and whether these companies operate as monopolies.

Advertisers were careful about which messages they showcased this year, and the results felt handcuffed — so cautious that they were just, well, disappointing.

Lisa Schonberg on juggling life as a musician and entomologist, native bee habitats, ant acoustics and the new Secret Drum Band record "Chuva."

Power of the Dream takes viewers behind the scenes to show how WNBA players took a stand during racial justice protests in 2020, helped elect a senator and negotiated historic pay raises.

Washington Post tech columnist Geoffrey Fowler listened to four years' worth of audio that Amazon had captured and stored from his Alexa smart speaker. He was surprised by what he found.