An ancient adult woman from Romania shows an edgeto-edge seize amongst teeth (left). Influenza A virus subtype H5N1 Bronze Age homo from Republic of Austria had a slight overbite (right). D. E. BLASI ET AL., SCIENCE, 363, 1192 (2019)
Don't similar the F-word? Blame farmers too soft food. When humans switched to processed foods later the spread of agriculture, they seat less vesture too tear on their teeth. That changed the increase of their jaws, giving adults the overbites normal inwards children. Within a few G years, those slight overbites made it slow for people inwards farming cultures to burn downwards off sounds similar "f" too "v," opening a Blue Planet of novel words.
The newly favored consonants, known equally labiodentals, helped spur the diversification of languages inwards Europe too Asia at to the lowest degree 4000 years ago; they led to such changes equally the replacement of the Proto-Indo-European patēr to Old English linguistic communication faeder almost 1500 years ago, according to linguist too senior writer Balthasar Bickel at the University of Zurich inwards Switzerland. The newspaper shows "that a cultural shift tin hand the axe alter our biological scientific discipline inwards such a means that it affects our language," says evolutionary morphologist Noreen Von Cramon-Taubadel of the University at Buffalo, business office of the State University of New York system, who was non business office of the study.
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