WHY YOUR JAW IS NARROWER, HOMO SAPIENS

I know. It's been awhile since last I entered here. And I was doing so good, but sitting in front of a computer is not my most pressing interest these days. Though I don't know what else is. You can find the whole article here.

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(AP) Science fiction writers have suggested a future Earth populated by a blend of all races into a common human form. In real life, the reverse seems to be happening.

People are evolving more rapidly than in the distant past, with residents of various continents becoming increasingly different from one another, researchers say.

"I was raised with the belief that modern humans showed up 40,000 to 50,000 years ago and haven't changed," explained Henry C. Harpending, an anthropologist at the University of Utah. "The opposite seems to be true."

"Our species is not static," Harpending added in a telephone interview.

That doesn't mean we should expect major changes in a few generations, though, evolution occurs over thousands of years.

Harpending and colleagues looked at the DNA of humans and that of chimpanzees, our closest relatives, they report in this week's online edition of Proceedings of the National Academy of Sciences.

If evolution had been proceeding steadily at the current rate since humans and chimps separated 6 million years ago there should be 160 times more differences than the researchers found.
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