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The original was posted on /r/science by /u/mvea on 2025-01-31 08:46:27+00:00.

Original Title: ‘A neural fossil’: human ears try to move when listening - Researchers found that muscles move to orient ears toward sound source in vestigial reaction. It is believed that our ancestors lost their ability to move their ears about 25m years ago but the neural circuits still seem to be present.