Life

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  1. Life

    Wild snakes reproduce without sex

    Virgin births are not just a by-product of captivity.

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  2. Life

    New swine flu virus could infect people

    Strains found in Korean pigs contain gene mutations that make them potentially transmissible to humans.

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  3. Life

    International Congress of Neuroethology, College Park, Md., August 5–10

    Dung beetle gaits and the whine of a mosquito's flight

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  4. Chemistry

    Too-young caterpillars like scent of sex

    Larvae respond to mate-attracting pheromones, raising evolutionary questions about what a very grown-up chemical signal could mean to them.

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  5. Life

    Team releases sequel to the human genome

    ENCODE reveals the machinery that switches genes on and off.

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  6. Humans

    DNA unveils enigmatic Denisovans

    Technical advances amplify the genetic record of a Stone Age humanlike population, ancestors of modern Melanesians.

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  7. Life

    Oldest mites in amber discovered

    Two new species of arthropods found in 230-million-year-old fossilized resin show similarities to modern-day species.

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  8. Life

    Average bear could be pretty smart

    Computer tests of solitary species reveal animals’ ability to learn concepts.

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  9. Life

    Kick in the gut may lead to IBD

    Short-term infection could create conditions for long-term intestinal illness, a study suggests.

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  10. Life

    Antibiotics linked to fat buildup

    Research in mice implicates changes in gut microbe mix; study in infants finds excess weight gain after use of the drugs.

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  11. Humans

    Gene may boost effects of peer pressure

    DNA trait linked to tendency to be affected by high or low levels of alcohol and cigarette use in high school.

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  12. Life

    Unusual virus may tie snakes in knots

    Captive snakes with a fatal disease harbor viruses never before seen in reptiles.

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