Research Reveals Our Ancient Primate Ancestors Gave Birth to Twins Regularly, It Was a Norm 60 Million Years Ago The case of ...

Twins are pretty rare, accounting for just 3% of births in the U.S. these days. But new research shows that for primates 60 ...

Once found in the jungles of Africa, researchers in South America have now discovered links tying these extinct primates to the continent—painting an incredible story of survival against the odds.

Further back in evolution, two babies at once was the norm. Our ancient primate ancestors gave birth to twins. Modern humans overwhelmingly birth just a single child – a rather large child with ...

Twin births were common in ancient primates Evolution shifted primates to singletons for survival Modern trends show twin births rising with medical advances ...

Further back in evolution, two babies at once was the norm. Our ancient primate ancestors gave birth to twins. So, when did this evolutionary change in primate litter size occur? The switch to ...

This important manuscript presents a thorough analysis of trans-specific polymorphism (TSP) in Major Histocompatibility Complex gene families across primates. The analysis makes the most of currently ...