Compared with other human relatives such as Neanderthals, modern Homo sapiens have particularly prominent chins. Some researchers have hypothesized that the modern human chin helps the jaw stand up to the forces generated by chewing , said Nathan Holton, an anthropologist at the University of Iowa. Apr 15, 2015
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Jan 4, 2012 · They suggested the chin may have evolved to maintain the jaw's resistance to loads as our ancestors' teeth, jaws and chewing muscles got smaller ...
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Instead, the chin was a byproduct of a shrinking face. Indeed, as the first modern humans evolved, late in the Pleistocene, the face decreased in size and ...
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Apr 13, 2015 · Why are modern humans the only species to have chins? Researchers say it's not due to mechanical forces, such as chewing, but may lie in our ...
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Jan 29, 2016 · PAMPUSH: When you open your jaw and when the tongue moves, those muscles - they strain the front of the jaw. When bone is strained, it begins to ...
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Nov 8, 2021 · The same could have happened in humans, with testosterone levels gradually falling over the generations. “Humans are essentially a self- ...
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Jan 28, 2016 · As early humans started cooking and processing our food, we made fewer demands upon our teeth, which started shrinking as a result. They ...
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Apr 14, 2015 · Compared with other human relatives such as Neanderthals, modern Homo sapiens have particularly prominent chins. Some researchers have ...
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Apr 16, 2015 · Humans are the only primate with a chin, an adaptation that reflects the emergence of complex social networks among our ancestors.
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Apr 16, 2015 · Chins of anatomically modern humans don't come from mechanical forces such as chewing, but instead result from an evolutionary adaptation ...
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Apr 15, 2015 · Until now, researchers have largely attributed our chins to the mechanical force needed to chew our food. However, according to Nathan Holton, ...
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Mar 6, 2016 · Some researchers theorize humans developed chins to help with speech – that they're used as a means to support the force of our wagging tongues ...
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Apr 15, 2015 · So why did we grow chins at all? The answer is, we didn't. Holton and his collaborator, University of Iowa anthropologist Robert Franciscus, ...
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Apr 15, 2015 · Compared with other human relatives such as Neanderthals, modern Homo sapiens have particularly prominent chins. Some researchers have ...
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Feb 2, 2021 · The lower jaw of a chimpanzee or gorilla slopes backwards from the front teeth. So did the jaw of other hominids like Homo erectus. Even ...
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