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    Canine teeth shrank in human ancestors at least 4.5 million years ago

    The extra-large, dagger-like canine teeth seen in male great apes have been missing from human ancestors for at least 4.5 million years – po..
    https://www.newscientist.com/article/2299286-canine-teeth-shrank-in-human-ancestors-at-least-4-5-million-years-ago/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home

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