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More Humans Are Growing an Extra Artery in Our Arms, Showing We’re Still Evolving – ScienceAlert

Picturing how our species might appear in the far future often invites wild speculation over stand-out features such as height, brain size, and skin complexion….

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Picturing how our species might appear in the far future often invites wild speculation over stand-out features such as height, brain size, and skin complexion. Yet subtle shifts in our anatomy today demonstrate how unpredictable evolution can be.
Take something as mundane as an extra blood vessel in our arms, which going by current trends could be common place within just a few generations.
Researchers from Flinders University and the University of Adelaide in Australia have noticed an artery…

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