Genetic analysis of pubic lice suggested that the vermin jumped to humans from gorillas about 3.3 million years ago; since the lice do not have wings and cannot jump very far, a rather close encounter would have been necessary to facilitate the transfer.
Genetic analysis of pubic lice suggested that the vermin jumped to humans from gorillas about 3.3 million years ago; since the lice do not have wings and cannot jump very far, a rather close encounter would have been necessary to facilitate the transfer.