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NPR's Sacha Pfeiffer talks with Lauren Whitehurst, a cognitive neuroscientist specializing in sleep, about who in our society doesn't get enough sleep and why that's a problem.

We live in a world where celebrities have overtaken movie stars, celebrity being something that can happen to anyone (think Paris Hilton) and stardom being a more elusive quality, that involves having some talent mixed in with your Botox.

A group of Arizona educators rallied at the state capitol on Wednesday, demanding a 20 percent pay raise. Republican Gov. Doug Ducey says that's a no-go. Noah Karvelis, an organizer and music teacher, tells NPR's Ailsa Chang about their next steps.

A new generation of blood tests can help diagnose Alzheimer's disease. But many doctors don't yet know how to use them.

Jonathan Haidt's 2024 book made the case that screen time had "rewired" kids' brains. The Amazing Generation is a collab with science journalist Catherine Price and graphic novelist Cynthia Yuan Cheng.

NPR's Leila Fadel asks a spokesperson for the Saudi Arabian embassy in Washington, D.C., whether Crown Prince Mohammed bin Salman sees his White House visit as a success.

Donald Trump Jr. met in 2016 with Natalia Veselnitskaya, a lawyer described as close to the Kremlin. NPR's Mary Louise Kelly asks Atlantic writer Julia Ioffe exactly what that means.

NPR's Juana Summers speaks with Jason Rezaian, who was imprisoned in Iran when he was the Tehran correspondent for The Washington Post, about the country's current wave of protest.

The Trump administration has shrunk the number of locations for this year's field test of the 2030 census and has added plans to test replacing temporary census workers with U.S. Postal Service staff.

There have been some improvements, but there are still tens of thousands of bridges nationwide that need to be fixed or replaced. Federal funding for such needs has remained flat.