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Forest biologist Patricia Maloney is raising 10,000 sugar pine seedlings descended from trees that survived California's historic drought. Lauren Sommer/KQED hide caption

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Lauren Sommer/KQED

Alex, at 4 years and 11 months old, throws a toy football. Caroline Cheung-Yiu hide caption

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Caroline Cheung-Yiu

A Boy's Mysterious Illness Leads His Family On A Diagnostic Odyssey

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Qieer Wang for NPR

How Magic Mushrooms Can Help Smokers Kick The Habit

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Mohammed Bawazeer (left) and Ian Riley carry a battery that will power the aeration system on Upper Klamath Lake for 32 hours, even if the sun isn't shining. Jes Burns/OPB hide caption

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Doubleday

Bill Bryson's Latest Is A Different Kind Of Journey — Into 'The Body'

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Already, Health Canada has posted safety and efficacy data online for four newly approved drugs; it plans to release reports for another 13 drugs and three medical devices approved or rejected since March. Teerapat Seedafong/EyeEm/Getty Images hide caption

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Teerapat Seedafong/EyeEm/Getty Images

Although Gray will finally go home to Forest, Miss., she will return to Nashville once a month for four months to undergo blood tests and a bone marrow biopsy. But, she says, the hardest part is over. Meredith Rizzo/NPR hide caption

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Meredith Rizzo/NPR

A Patient Hopes Gene-Editing Can Help With Pain Of Sickle Cell Disease

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Grandmother Maria Jose holds her twin granddaughters Heloisa (right) and Heloa Barbosa, both born with microcephaly, during their one-year birthday party on April 16, 2017, in Areia, Paraiba state, Brazil. Mario Tama/Getty Images hide caption

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Depression symptoms dropped significantly in a group of young adults who ate a Mediterranean-style diet for three weeks. It's the latest study to show that food can influence mental health. Claudia Totir/Getty Images hide caption

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Claudia Totir/Getty Images

The 2019 Nobel Prize in chemistry has been awarded to Akira Yoshino (left), M. Stanley Whittingham and John B. Goodenough for the development of lithium-ion batteries. Dmitry Lovetsky; Jonathan Cohen/Binghamton University; The University of Texas at Austin via AP hide caption

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Dmitry Lovetsky; Jonathan Cohen/Binghamton University; The University of Texas at Austin via AP

An artist's impression shows the planet 51 Pegasi b. Discovered in 1995, it was the first planet ever found orbiting a sunlike star outside our solar system. ESO/M. Kornmesser/Nick Risinger hide caption

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ESO/M. Kornmesser/Nick Risinger