Scientists have used bits of ancient debris to measure the blazing temperatures of the dust and gas that spread from the impact site of the asteroid on.natgeo.com/40blIo8

Uncover the secrets of one of the world’s oldest civilizations on.natgeo.com/3jc0dTn

It’s not quite cosplay, which involves impersonating a specific character. Instead, it’s a kind of freeform historical reenactment—and everyone is invited on.natgeo.com/3Hi074R

Scientists aren’t worried about fungi evolving to turn people into zombies, but rising temperatures do pose a real risk of making fungal infections worse on.natgeo.com/3wCFkE8

Known for her diary that recounted life in hiding during the Holocaust, Anne Frank has become a potent symbol of the Nazi genocide that killed six million Jews and about five million non-Jews between 1939 and 1945 on.natgeo.com/3WK05s5

To warn predators they are toxic, railroad worms turn on the lights pic.twitter.com/77P9lJZw80