SYDNEY, AUSTRALIA: Three female chimpanzees nod off as they sit on rocks in a family group, with the sun on their backs in their open air enclosure at the Taronga Zoo in Sydney, 26 April 2005. AFP ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Humans have many ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results