Scientists have uncovered a hominid skull, nicknamed “Dragon Head,” near Hualongdong that doesn’t fit neatly into any known species. With a mix of ancient and modern traits, this fossil ...

It certainly did in 1976, when paleoanthropologist Andrew Hill and a colleague were tossing elephant dung at each other in Laetoli, a hominid archeological site in Tanzania. As Hill dived out of ...