Twins were the norm for our ancient primate ancestors—one baby at a time had evolutionary advantages
Twins have been rare in human history and for that reason can seem special. Many cultures associate twins with health and ...
RealClearScience18d
Twins May Have Been the Norm for Our Primate Ancestors
Despite the fact that almost all primates today, including people, usually give birth to just one baby, our most recent common ancestor, which roamed North America about 60 million years ago, likely ...
Yahoo18d
Twins were the norm for our ancient primate ancestors − one baby at a time had evolutionary advantages
Despite the fact that almost all primates today, including people, usually give birth to just one baby, our most recent common ancestor, which roamed North America about 60 million years ago ...