joe's big idea
Mar 5, 2014 — Removing bacteria and other impurities from water could be done more cheaply thanks to researchers at MIT. They're taking advantage of the way trees move water to filter it.
Sep 13, 2013 — Lessons in optimism from very ill children inspire pediatric oncologist Jim Olson in his hunt for better treatments for brain tumors.
Jul 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.