NPR's science podcast Short Wave talk about how ultrarunning affects the body, the trend of intermittent fasting and how to protect people's mental health when they talk with chatbots.

And I'm Mary Louise Kelly sitting here chatting with someone whose voice many of you may recognize. Hi, David. DAVID GREENE: Hey, Mary Louise. It's good to see you. KELLY: It's good to see you. It's ...

NPR's Mary Louise Kelly talks with Sandy Ala, a counselor working with Jewish Community Services of South Florida, who has been talking with survivors and families waiting for news in Surfside. This ...

From NPR News, this is ALL THINGS CONSIDERED. I'm Juana Summers. MARY LOUISE KELLY, HOST: And I'm Mary Louise Kelly sitting here chatting with someone whose voice many of you may recognize. Hi, David.