Gado Labbo holds her 5-year-old son, Yusuf, at a clinic in Dareta, Nigeria. In 2010, when Yusuf first entered the clinic, he had a blood lead level 30 times higher than the amount the Centers for Disease Control and Prevention considers dangerous. David Gilkey/NPR hide caption
Jelly Belly says its most popular flavors include the savory-sweet Buttered Popcorn and Very Cherry. Meg Vogel/NPR hide caption
TV host Samantha Harris says she will have a double mastectomy after being diagnosed with breast cancer. But the surgery doesn't eliminate cancer risk. Jordan Strauss/Invision/AP hide caption
Factories that got the all-clear now produce quinoa that will bear the OU-P symbol, meaning they're kosher for Passover. Iryna Melnyk/iStockphoto hide caption
A recent study reported that poor dental hygiene and excessive use of mouthwash containing alcohol could increase the risk of oral cancer. iStockphoto hide caption
Recalculating ... Katherine Streeter for NPR hide caption
Marc Silver and his daughter Maya wrote a book about how teens deal with a parent sick with cancer. Richard Nowitz/Courtesy of Marc Silver hide caption
In January 1971, in one of his final performances, Louis Armstrong used "Hello Dolly" to convey the joy of being alive. Courtesy of the artist hide caption
Ryan Shaw covers 1967's "You Don't Know Nothing About Love" with tenderness and pyrotechnics. Carol Friedman hide caption
Heritage Blues Orchestra's "Don't Ever Let Nobody Drag Your Spirit Down" is a vigorous mash-up of blues, gospel and jazz. Michael Wein hide caption
The Black Keys' Dan Auerbach makes Dr. John (pictured) sound fresh and intimate by connecting him to his vital musical past. James Demaria Productions hide caption
Full of unexpected twists, Anderson and Roe's Michael Jackson cover takes a pianistic moonwalk. Courtesy of the artist hide caption
In "Oh My My," Jill Barber is a 21st-century original: a rootsy big-band swinger with hip-hop attitude. Ivan Otis hide caption
Catherine Russell plays with the simple, sultry jazz standard "Romance in the Dark" in unexpected ways. Courtesy of the artist hide caption
Tigran Hamasyan lets the melody sing a song of yearning and hope in "Mother, Where Are You?" Christian Ducasse hide caption