Contact: Diana Yates
University of Illinois at Urbana-Champaign
Caption: A new study led by Kevin Johnson of the Illinois Natural History Survey (seated, at left), with (from left to right) entomology professor Barry Pittendrigh, animal biology professor Ken Paige and postdoctoral researcher Julie Allen, indicates lice are evolving faster than their human and chimpanzee hosts.
Credit: L. Brian Stauffer
Usage Restrictions: Credit required: L. Brian Stauffer
Related news release: Of lice and men (and chimps): Study tracks pace of molecular evolution