Summary: Humans have vestigial ear muscles that once helped our ancestors focus on sounds. New research shows these muscles still activate when we strain to hear in noisy environments. Scientists used ...
Studies of sediment cores from the sea floor and the coastal regions surrounding the Aegean Sea show that humans contaminated the environment with lead early on in antiquity. Geoscientists conducted ...
More than three million years after her death, the early human ancestor known as Lucy is still divulging her secrets. In 2016, an autopsy indicated that the female Australopithecus afarensis, whose ...