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Neanderthals' blood type may help explain their demise, new study finds
Human populations that left Africa evolved quickly whereas Neanderthals stayed the same, according to an analysis of blood ...
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Bird Flu Update: How Regular Influenza May Help Protect You
Stock image of bird flu (main) and white blood cells (inset). Our immune system may be better prepared for infection from H5N1 bird flu if we have recieved a flu shot or been infected with ...