Apr 24, 2014 — Word about what the pope reportedly said when he called a woman in Argentina set off speculation that he wants to reverse church teachings. His spokesman says that's reading too much into the story.
Apr 24, 2014 — International travel is one reason why the number of measles cases in the U.S. has spiked this year. But the number of people who refuse to get their children vaccinated is a factor, too.
Apr 24, 2014 — Kaji Sherpa recalls taking two steps backwards when a wall of snow careened toward him, and it made all the difference. He survived Everest's deadliest disaster — and now says he'll stick to farming.
Apr 24, 2014 — The Microsoft founder and philanthropist talks with NPR's David Greene about why he's spent billions on health efforts in developing countries, and about the prospect of beating polio and malaria.