Dr. Jim Olson meets with Carver Faull at Seattle Children's Hospital in August. Carver, now 12, had surgery to remove a brain tumor in 2012.
Matthew Ryan Williams for NPR
September 13, 2013 Lessons in optimism from very ill children inspire pediatric oncologist Jim Olson in his hunt for better treatments for brain tumors.
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July 1, 2013 As you probably know, we get a lot of stars who love NPR. And sometimes, they're stars who study stars. Astronomer Andrea Ghez is "a real hotshot scientist," according to Science Correspondent Joe Palca, who she talked to about new technology for supermassive black holes.
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