In her new book Strangers Drowning, Larissa MacFarquhar looks at the motives and methods of people who help others — and the reaction of the less altruistic crowd.
When a teenage girl in rural Nepal gets her period, an ancient tradition may drive her to sleep outdoors. But one 15-year-old is trying to break the taboos around menstruation.
New data on survivors shows a range of health problems, from loss of vision to arthritis. It's making researchers realize they need to learn more about how the virus affects the human body.
We're not kidding around. Goats chew up soap that could help remove germs from hands around the world. And they're not the only obstacle to better hygiene.
New research finds that the virus can be present far longer than expected — and that there could be a continuing risk of transmission through sexual contact.