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 ...

Weizmann Institute of Science researchers say a decrease in glycosaminoglycan (GAG) molecules in joints separated human ...

Gene Regulation in Primates Evolves under Tissue-Specific Selection Pressures: Regulatory changes have long been hypothesized to play an important role in primate evolution. To identify adaptive ...

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

What events led to differences between humans and other primates? What changes throughout evolution underlie such a dramatic shift in how we socialize and process information? Although somewhat ...

Recent investigations reveal that primates, such as marmosets, colobus monkeys, and bonobos, possess intricate call patterns.

BUFFALO, N.Y. ­­ ­ ­­— Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining strong teeth and defending against oral disease.

Aggressive behavior in primates can manifest itself in different ways, from ordinary conflicts within a group to deadly ...

(Anup Shah/Stone RF/Getty Images) Human languages are complex and versatile. They reflect our intelligence, our cultures, our ...