Why Human Birth Is Such an Evolutionary Battle – The Cost of the Brains That Make Humans Unique
If you lined up the births of different mammals side by side, the human one would look almost absurdly difficult. Foals, calves, and even baby chimpanzees usually arrive faster, with fewer complications, and are standing or clinging to their mothers within hours. Human babies, on the other hand, take their time getting here, often require ...












