Especially then still I like that in him polite to old women like that

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Researchers at the Fred Hutchinson Cancer Research Center have found traces of male DNA in women’s brains, which seems to come from cells from a baby boy crossing the blood-brain barrier during pregnancy. This is known as microchimerism, and according to the researchers, this is the first description of male microchimerism in the female human brain.

{ Genome Engineering. | Continue reading }