National Geographic ‘Doomsday Vault’ Protects Earth’s Food Supply—Here’s How 2018-03-20T18:18:00.000000000+00:00 Designed to be insulated from a global cataclysm, the Svalbard Global Seed Vault sprang a leak last year. Now it’s being retooled for climate change. After Last Male's Death, Is the Northern White Rhino Doomed? 2018-03-20T13:57:23.000000000+00:00 Two females remain at the conservancy in Kenya. Vernal Equinox 2018: Facts About the First Day of Spring 2018-03-20T04:01:00.000000000+00:00 Find out why equinoxes happen and how cultures around the world have marked the biannual alignment. Volcanic Thunder Recorded for the First Time 2018-03-19T21:41:40.000000000+00:00 Until recently, only little was known about the phenomenon. What It's Like Being Transgender in the Emergency Room 2018-03-19T20:44:35.000000000+00:00 One patient described the experience as making them feel like “the freak show.” But some hospitals are forging a path toward inclusive care. 143 Million People May Soon Become Climate Migrants 2018-03-19T20:00:25.000000000+00:00 Climate change will drive human migration more than other events, a new report warns. But the worst impacts can be avoided. Ancient Maya Dog Trade Goes Back 2,400 Years 2018-03-19T19:00:45.000000000+00:00 A study of bones and teeth shows that the animals were transported from distant regions and played an important role in ceremonial sacrifices. How Older Widow Spiders Seduce Younger Males—And Eat Them 2018-03-19T19:00:20.000000000+00:00 Aging females have evolved a trick to attract males more interested in younger mates, a new study found. Why This Gorilla Prefers to Walk Upright 2018-03-19T18:32:02.000000000+00:00 Louis the gorilla isn’t quite a germaphobe, says the zoo’s primate curator, but he’s definitely not a fan of mud. Do Big Cats Get Hairballs? 2018-03-17T04:02:09.000000000+00:00 Domestic cats often hack up gooey mats of fur, but it's rare in their larger kin.