Marina Davila - Ross, a neuroscientist at the University of Portsmouth in England, sought an answer in what is perhaps science's most enjoyable research project:
tickling human and ape babies to compare their laughter.
And, it turns out, some 10 million to 16 million years ago, the last common ancestor of humans and apes was laughing, too, most likely when tickl
And, it turns out, some 10 million to 16 million years ago, the last common ancestor of
humans and apes was laughing, too, most likely when tickl
and apes was laughing, too, most likely when
tickled.