Thu, 08/31/2023 - 14:05 Gizmodo Environment Humankind struggled to survive during a 100,000 year period during the early Pleistocene, according to researchers who used a computer model to discover a severe population bottleneck in our species’ ancient past.Read more... Tags human, nick ashton, chris stringer, extinction, hu, speciation, prehistoric migrations, population bottleneck, Environment, ecology, early modern human, recent african origin of modern humans, population genetics, most recent common ancestor, evolutionary biology, human evolution Source Only 1,280 Reproductive Human Ancestors Once Roamed Earth, Gene Study Suggests