A little more than a year ago, on a trip to Nairobi, Kenya, some colleagues and I met a 12-year-old Masai boy named Richard Turere, who told us a fascinating story. His family raises livestock on the ...

Drowning happens when water enters the lungs and stops oxygen from reaching the heart, causing the body to shut down. It can occur in as little as 20 to 60 seconds and in very small amounts of water.