Ari Shapiro

Before she was painted alongside Duke Ellington in a Washington, D.C. mural, Kelela was the daughter of Ethiopian parents, growing up in the DMV suburbs. As a kid, she took violin lessons. She soon moved on to experimenting with punk and heavy metal as well as singing jazz. Eventually, she settled on her signature electronic R&B sound.

Millions of Americans use opioids to relieve pain. But many also struggle with addiction.

This week, a report in JAMA, the journal of the American Medical Association, found that nonopioid painkillers — like acetaminophen and ibuprofen — were as effective as opioids at treating chronic back, hip and knee pain, and with fewer side effects.

Joan Baez has dedicated her life to music — and the causes for which music can speak. The folk star began using her voice to protest in the 1960s, leading rallies against wars and discrimination alongside the likes of Bob Dylan and Arlo Guthrie. Though gentle, her renditions of "We Shall Overcome" and "What Have They Done to the Rain" served as the heartbeat to peaceful revolutions.

Botanist David Fairchild grew up in Kansas at the end of the 19th century. He loved plants, and he loved travel, and he found a way to combine both into a job for the U.S. Department of Agriculture.

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ARI SHAPIRO, HOST:

Every Olympics it seems like people turn into overnight experts on whatever event happens to be on. Who knew that we could so easily master the subtleties of 4x10 cross-country ski relay and...

(SOUNDBITE OF CURLING)

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