News

  1. Life

    Wild snakes reproduce without sex

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

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  2. Health & Medicine

    Anti-inflammatories tied to cardiac risk

    Heart attack survivors who take ibuprofen or diclofenac appear more likely to die or suffer another attack, a large Danish study finds.

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  3. 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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  4. Planetary Science

    Mars clays may have volcanic source

    Deposits didn’t need flowing water to form, new research suggests.

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  5. 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.