New clues from two million-year-old tooth enamel tell us more about an ancient relative of humans

For astir a century, scientists person been puzzling implicit fossils from a unusual and robust-looking distant comparative of aboriginal humans: Paranthropus robustus. It walked upright, and was built for dense chewing with comparatively monolithic jaws, and immense teeth with heavy dental enamel. It's thought to person lived betwixt 2.25 cardinal and 1.7 cardinal years ago.