The Evolution of the Brain May Have Outpaced the Body, New Study Suggests

For nearly 30 years, a landmark study shaped how scientists understood the relationship between brain and body size in ...

Primate brains might have evolved to 'catch up' with larger bodies, but then kept growing

A new analysis supports the previously overlooked "brain lag" hypothesis—the idea that, in some primate lineages, the evolution of larger body size preceded the evolution of larger brain size—while ...

Primate evolution kept aging rates stable for 25 million years despite lifespan gaps

Biologists group animals with similar traits into broad categories called orders. Despite their similarities, animal species ...

World's Earliest Primate: Did scientists miss this 65.9-million-year-old Colorado fossil?

Tiny fossil teeth discovered in Colorado reveal new clues about Purgatorius, the earliest known primate relative, reshaping ...

Why humans sleep less than other primates: The science behind our unique sleep patterns

Sleep is often treated as a casualty of modern life. Artificial lighting, shift work, endless notifications and late-night ...
New Scientist on MSN

Childbirth for many primate species is even harder than for humans

For decades, we’ve thought that childbirth is uniquely challenging for humans, but it turns out that many other primates find ...

Scientists found that childbirth can be harder than humans thought, as many primates have babies much bigger than birth canal; some species even dislocate pel…

New research challenges the notion that humans have the hardest childbirth among animals, revealing that many primates, ...
Science Daily

The first primates may have evolved in the cold, not the tropics

A surprising new study suggests the earliest primates didn't originate in tropical forests but in cold, dry parts of North ...