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Sensitive test spots newest HIV infections

NEW YORK (Reuters Health) - Standard tests for HIV, the virus that causes AIDS, can't identify people very recently infected with the virus, but a more sensitive test can, new research shows.Full story

Chicago poisoning operation finds no Asian carp

A poisoning operation aimed at rooting out the voracious Asian carp in a Chicago-area river before they make their way into the Great Lakes didn't turn up any of the unwanted fish, Illinois officials said Monday. Full story

World's oldest known DNA discovered

It won't make Jurassic Park a reality, but scientists have discovered 419 million-year-old DNA intact inside ancient salt deposits. Full story

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World's oldest known DNA discovered

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