Only about 300 to 400 people a year give a kidney to someone they never met. It's an act of generosity so unusual, a neuroscientist studies the people who do this.

Get a free copy of the 80,000 Hours in-depth career guide: 80000hours.org/rfb Death toll rises to 85 after plane crashes at South Korean airport Photos show what it ...

WRAL News spoke to Denny Schlindwein, who served as a secret service agent for former President Jimmy Carter for four years ...

It is an act that qualifies as "extraordinary altruism," says Abigail Marsh, who studies altruism as a neuroscientist at Georgetown University. Bruens, it turned out, was a perfect match for the ...