Ancient ear muscles may still be helping humans

Monday, October 19, 2015 - 08:30 in Biology & Nature

Vestigial organs, such as the wisdom teeth in humans, are those that have become functionless through the course of evolution. Now, a psychologist at the University of Missouri studying vestigial muscles behind the ears in humans has determined that ancient neural circuits responsible for moving the ears, still may be responsive to sounds that attract […]

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