Kevin Hartnett

A painted panel deep in a Spanish cave may push the human relationship with mind-altering plants back thousands of years, earlier than anything previously known

A booming market for mummified remains poses health risks

A conversation with David Samson, evolutionary anthropologist and author of The Sleepless Ape, about how to sleep

Can science point the way toward designing environments to maximize mental health in such situations?

Although it serves as a defense, it’s really all about securing a meal

Meteorites were hot fashion accessories back then