Humans perceive emotional expressions displayed by non-human primates and spontaneously mimic these expressions, according to a study published in the open-access journal PLOS One by Ursula Hess from ...

Heated disagreements about sexuality and gender are front and center in today's culture wars. Evolutionary biologist Nathan H. Lents argues in his new book, The Sexual Evolution: How 500 Million Years ...

It’s a common mistake to think we came directly from the monkeys or chimps you see at the zoo today, but the actual story of our origins is more about a complex family tree than a straight line. We ...

Purchased with funds from the S. Dillon Ripley Endowment. Cover -- Cortical Evolution in Primates -- Copyright -- Dedication -- Contents -- List of figures and tables ...

Add Yahoo as a preferred source to see more of our stories on Google. Twins are uncommon in human history. Tesla Monson Our recent research suggests that twins were actually the norm much further back ...

The latest list of the 25 most endangered primates includes nine from Asia, six from the Americas, six from the African mainland, and four from Madagascar. Madagascar is home to 112 known lemur ...