Bizarre Ways Humans Almost Went Extinct

00:00 The Chicxulub Near-Repeat 01:05 The 536 AD Mystery Cloud 02:09 The Carrington Event's Prehistoric Cousin 03:07 When Lake Toba Blacked Out the Sun 04:22 The Younger Dryas Deep Freeze 05:28 The Magnetic Field Collapse Scare 06:32 The Atlantic Current Shutdown 07:52 The Campanian Ignimbrite Eruption 08:54 The African Mega-Drought Bottleneck