This third eyelid is very prominent in birds, and it effectively acts like a windshield wiper to sweep away any dirt that gets in their eyes. It also helps them to keep their eyes moist, which you can ...
Dr Jagadish Hiremath, a public health intellectual, says, “This seemingly innocuous movement reveals much about the complexity of the human body’s anatomy, flexibility, and musculoskeletal health.” ...
On a sunny Sunday morning along the Awash River in the small Ethiopian town of Hadar, a newly minted Ph.D. from the University of Chicago uncovered a fossil-rich site that would redefine human history ...