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Also, the 2007 paper by Hawks et al indicated that evolution had accelerated over the past 10,000 years. Dec. 10, 2007 - Researchers discovered genetic evidenc
by Chi019 17y ago
Also, the 2007 paper by Hawks et al indicated that evolution had accelerated over the past 10,000 years.
Dec. 10, 2007 - Researchers discovered genetic evidence that human evolution is speeding up - and has not halted or proceeded at a constant rate, as had been thought - indicating that humans on different continents are becoming increasingly different.
"We used a new genomic technology to show that humans are evolving rapidly, and that the pace of change has accelerated a lot in the last 40,000 years, especially since the end of the Ice Age roughly 10,000 years ago," says research team leader Henry Harpending, a distinguished professor of anthropology at the University of Utah.
Harpending says there are provocative implications from the study, published online Monday, Dec. 10 in the journal Proceedings of the National Academy of Sciences:
"We aren't the same as people even 1,000 or 2,000 years ago," he says, which may explain, for example, part of the difference between Viking invaders and their peaceful Swedish descendants. "The dogma has been these are cultural fluctuations, but almost any Temperament trait you look at is under strong genetic influence."
http://unews.utah.edu/p/?r=120607-1 http://unews.utah.edu/p/?r=120607-1