Old is gold: Like humans, aging chimps prioritize important friendships
Washington (AFP) - When it comes to friendships, people are known to become more selective with age.It turns out the same is true of male chimps, who have fewer yet more genuine pals to ape around with as they get older, according to a study published in the journal Science on Thursday.The research, which was led by animal psychologist Alexandra Rosati at the University of Michigan, was said to provide the first evidence that animals exhibit age-related social selectivity, and could help us understand more about why humans behave as they do.The authors drew on a huge dataset of 78,000 hours of...