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    Lower male voices linked to lower sperm quality

    Sorry if this is stupid, but was smoking ruled out as both a voice deepener and a sperm killer?
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    Irish surname "Prendergast" and R1 sub-clades

    Hi, I found this thread because of my own search for topics relating to the Prendergast name and Y-DNA. I am currently on a bit of a crusade trying to redress the misinformation and bad science being propagated by a small group of people, some of whom may have the surname Prendergast, on the...
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