Journal reference: PNAS (DOI: 10.1073/pnas.0804472105)
Nearly out of Africa
http://www.newscientist.com/article.ns? ... 021551.800
10 October 1998
Ancient genetic imprint unites the tribes of India
[Emp edit: I've split a thread to make this thread on the earliest occupation of the Americas and another one on the controversy of pre-Columbus contact:
I think you're referring to "Kennewick Man"...