Orphaned Baby Chimps Suffer Lasting Social Effects

Being orphaned as a baby may have a bigger impact on chimpanzees than was previously thought, a new study finds. Scientists found that when infant chimpanzees were taken from their parents, the chimps groomed fellow animals considerably less in later life. The researchers already knew that the social behaviors of former lab chimpanzees differ based on the age they were taken away from their mothers, so the scientists wanted to compare these effects with chimps that were orphaned but reared aroun