Science

It's estimated that one in 10 women experience endometriosis during their reproductive years, a condition where cells that line the uterus go rogue by moving to other organs, taking root and spreading there, leading to terrible pain. Many women who have the disorder struggle to be properly diagnosed. Bioengineer LINDA GRIFFITH talks about her groundbreaking research into endometriosis.

Collins, who died April 27, orbited in Apollo 11 while Neil Armstrong and Buzz Aldrin made their historic moon walk. Speaking to Fresh Air in 1988, he described his solo orbit as "completely serene."