Why Are Humans The Only Animals With Chins?
Plants and Animals
Photo credit:
Human, complete with chin. Spyros Papaspyropoulos/Flickr. CC BY-NC-ND 2.0
Photo credit:
Human, complete with chin. Spyros Papaspyropoulos/Flickr. CC BY-NC-ND 2.0
Here’s a question for the ages: Why do humans have chins?
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