A new study finds that up to 215 million hectares of land (an area larger than Mexico) in humid tropical regions around the world has the potential to naturally regrow. That much forest could store 23 ...
If ancestral apes practiced grooming in this way ... the role of grooming for social bonding remained essential. The study explains that the last step in ape grooming includes pressing lips ...
A team at the University of Warwick is suggesting that human kissing evolved from grooming behaviors observed in ancestral great apes. In a study, "The Evolutionary Origin of Human Kissing ...
University of Michigan study found teenage chimps take more risks ... more risks and are more likely to throw tantrums than older apes. The findings are further proof that humans and chimpanzees ...