Jack McBrideSocial Links NavigationPh.D. Student in Anthropology, Yale UniversityJack McBride is a graduate student within the Department of Anthropology at Yale. He is interested in primate morphological evolution and using morphology to understand what separated the earliest primates from other lineages. Latest articles by Jack McBride Our ancient primate ancestors mostly had twins — humans don't, for a good evolutionary reason By Tesla Monson, Jack McBride published 5 January 25 Twins are pretty rare, accounting for just 3% of births in the U.S. these days. But new research shows that for primates 60 million years ago, giving birth to twins was the norm. Animals Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1SpaceX's Starlink satellite constellation 'under threat' by Russia and China2Northern lights ignite night sky after rare double solar eruption3Elusive colossal squid finally caught on camera 100 years after discovery in world 1st footage — and it's tiny4Vitesy Eteria personal air purifier review: Filterless appliance for the eco-conscious5Newly 'awakened' black hole is releasing 100 times more energy than scientists have seen before
Our ancient primate ancestors mostly had twins — humans don't, for a good evolutionary reason By Tesla Monson, Jack McBride published 5 January 25 Twins are pretty rare, accounting for just 3% of births in the U.S. these days. But new research shows that for primates 60 million years ago, giving birth to twins was the norm.
