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Machines that program themselves are all around us and they get smarter every day. But are you ready for the master algorithm that can tell a machine how to learn anything?

Are we too reliant on phone apps?

Robots that clean the bathroom, cars that drive themselves, computers that diagnose disease. They may sound appealing, but technology writer Nicholas Carr warns that the new age of automation could mean we'll lose basic life skills.

Why are so many women criticized for "vocal fry"? Anne Strainchamps talks to podcaster Ann Friedman and NPR pioneer Susan Stamberg about critiques of female voices.

A frog

Humans are not the only creatures who vocalize. Birds, whale and frogs have voices too—but are we listening? Bernie Krause has been recording environmental sounds all over the world since the 1970s. He says it's time for humans to shut up.

Keith Powell in "Keith Breaks His Leg"

Before and since Keith Powell's breakthrough role as Toofer on the sitcom "30 Rock," he has confronted Hollywood's penchant for stereotyping black male voices.

David Thorpe

David Thorpe is a filmmaker who went in search of his voice. For his documentary "Do I Sound Gay?" he investigated why he and many other gay men ended up with a "gay voice"—one with precise enunciation and sibilant "s" sounds.

oscilloscope

As media historian Jonathan Sterne tells Craig Eley, signal processing shapes the sound of all vocal media, from your telephone calls to the music of T-Pain.

Thank you notes for the nurses and doctors in Wuhan, China.

In Japan, there is a name for extreme gratitude — Naikan. Gregg Krech is dedicated to the practice, and he thinks holidays should be less about running around making everything perfect and more about inner reflection.

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