What the World’s Most Sociable People Reveal About Friendliness
Researchers are turning to a rare genetic condition to explore the mysterious origins of human cooperation.
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Terry Monkaba / The Atlantic The Dreams You Can’t Remember Might Never Have Occurred
Is it possible to dream of nothing?
Mark Makela / Reuters Neanderthals Suffered a Lot of Traumatic Injuries. So How Did They Live So Long?
Our ancient-hominid relatives seem to have had surprisingly sophisticated health care.
Vasily Fedosenko / Reuters The 'Underground Railroad' To Save Atheists
A vision to protect those persecuted for non-religion
Henghameh Fahimi / AFP / Getty
