New DNA study revises Out of Africa origins
Population biologist Alan Templeton argues humans interbred with Neanderthals and other extinct populations over hundreds of thousands of years, suggesting at least two migrations rather than full replacement. His Nature analysis uses a new statistical method, while peers offer cautious support and critique.
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China Demands U S Block Taiwan Defense Minister Visit
Beijing urged Washington to stop any official or military exchanges with Taiwan after Tang Yiao ming planned a private Florida conference. China warned the United States risks harming ties as Taipei seeks closer defense ties with American partners.
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Bombs and infantry close al-Qaida ridges in Afghanistan
Airstrikes by B 52 bombers shook Gardrez and surrounding ridges as U S and Afghan forces press an operation against al Qaida. Coalition troops report at least 100 militants killed the prior day, with several cave complexes cleared and supplies brought in by Chinook helicopters amid harsh weather and heavy resistance.
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Hubble camera installation continues during fourth Atlantis spacewalk
CAPE CANAVERAL Florida AP astronauts on shuttle Columbia completed the fourth spacewalk in as many days to install the $76 million Advanced Camera for Surveys inside the Hubble Space Telescope. James Newman and Michael Massimino maneuvered the 875 pound unit into place after removing an obsolete instrument, while John Grunsfeld noted the telescope now has eyes.
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