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Channel: Evolutionary biology
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'Game-changer' in evolution from South African bones

WASHINGTON — Two million-year-old bones belonging to a creature with both apelike and human traits provide the clearest evidence of evolution’s first major step toward modern humans — findings some are...

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Letter: Evolution is just a theory

Evolution is just a theory Re: The letter “Readers’ reaction to his letter.” A-J, April 19. Fact No. 1: Evolution is not fact but theory. The missing link has not been found. Fact No. 2: The ark of...

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Species disappearing faster than before

WASHINGTON — Species of plants and animals are becoming extinct at least 1,000 times faster than they did before humans arrived on the scene, and the world is on the brink of a sixth great extinction,...

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Two dead, 179 exposed after 'superbug' outbreak at hospital

LOS ANGELES — Contaminated medical instruments are to blame for infecting seven patients, including two who died, with a potentially deadly "superbug" at a Los Angeles hospital, officials said. A total...

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Bill under debate would limit farm antibiotics

PORTLAND, Ore. — For decades, farmers have routinely fed antibiotics to livestock to fatten up the animals and protect them from illnesses amplified by confined conditions.But critics say repeated use...

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