With a Drop of Saliva, Family Histories Are Rewritten Widespread DNA testing has shed light on the ancestry of millions of Americans. But these services have limitations, and the results can be uncertain. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Secret to ETERNAL LIFE? Scientists discover how to make old cells YOUNG againFrom Brussels to Arkansas, a Tough Week for MonsantoReligious people are NOT ‘born believers’, landmark study revealsHuman 2.0 could LIVE UNDERWATER! Top scientist says we are on brink of huge breakthroughFUNERAL SHOCK: You can have your ashes scattered in SPACE - and this is how much it costsVolcano 'as powerful as Yellowstone' MELTS ice beneath Antarctica
