Chimp Study Shows How Hanging Out With Friends Makes Life Less Stressful Research suggests friends don't just help in the bad times – they cut damaging stress just by being around.
25 Tiny Bones Give Clues about our Earliest Primate Ancestors When ancient primates reached India, they retained their primitive appearance — but their northern counterparts kept evolving.
Total Number of Neurons — Not Enlarged Prefrontal Region — Hallmark of Human Brain Our brains are "remarkable," but "not exceptional."
Orangutan Gives Clues to Origins of Human Speech An orangutan named Rocky has demonstrated a vocal ability thought to be unique to humans.
Female Baboons Reap Benefits From Having Well-Connected Friends Wild monkeys make their social networks work for them.
Bonobos Form All-Female Coalitions to Target Violent Males When a male bonobo harasses a young female, he’d better look out. A coalition of protective older females might be headed his way.
In Bonobo Society, Females Keep the Peace by Sending Mixed Messages Sexual swellings cause widespread confusion among males.