Ancient hominid ears were tuned to high frequencies
![Paranthropus robustus skull and ear anatomy](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/09/092515_bb_homhearing_free.jpg?fit=860%2C460&ssl=1)
Scientists generated a 3-D virtual reconstruction of the ear anatomy for this Paranthropus robustus skull and for two other ancient South African hominids. New findings suggest these hominids could hear high-frequency sounds needed to discern certain consonants.
Rolf Quam