News

  1. Animals

    Windows may kill up to 988 million birds a year in the United States

    Single-family homes and low-rise buildings do much more damage than skyscrapers.

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  2. Life

    How to tell good gut microbes from bad

    Researchers sort out influences of specific bacteria on body fat, the immune system.

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  3. Animals

    Mantis shrimp’s bizarre visual system may save brainpower

    The mantis shrimp sees each color separately with one of a dozen kinds of specialized cells, a system that may help the animal quickly see colors without a lot of brainpower.

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  4. Planetary Science

    Old rover finds new evidence of water on Mars

    Opportunity’s analysis of rocks at Endeavour crater reveals chemistry that could have supported life.