Tampa, Florida -- Five-month-old chimpanzee Keeva has learned a lot in her young life. She can laugh, reach out and grasp objects, stand upright while holding on, hang briefly from a tree branch or ...

Alcohol can make you woozy and nauseous when you drink too much, but why do humans love it? Wild chimpanzees may hold the answer. Chimps could be eating enough fermented fruit each day and consuming ...