Tens of millions of years ago, our primate ancestors responded to noises in much the same way many other mammals do, pricking their ears and deftly turning them towards the sound's source.
Human ear muscles that scientists long believed were vestigial – or without function – are actually activated when we are trying to listen hard, a new study has found. Although the auricular muscles ...
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 ...