1. Microbes

    Microbes help hyenas send status updates

    Bacteria in the animals’ waste give off fumes that let passersby know who has been there before.

  2. Microbes

    Gut bacteria can drive colon cancer development

    Gut microbes may reveal who is at risk for colon cancer, a study in mice suggests.

  3. Microbes

    Bacteria starved in space grow better

    Given limited resources microbes in microgravity make more new cells than their counterparts on Earth.

  4. Microbes

    Prairie microbes could aid region’s restoration

    Surveying the bacteria living in the soils of grassland ecosystems may help revive the habitats.

  5. Life

    Morel mushroom may grow crop of its own

    A fungus could be a farmer itself, sowing, cultivating and harvesting bacteria.

  6. Microbes

    Microbes signal deceased’s time of death

    In a study using mice, germs accompany the body’s decay in a consistent time sequence.

  7. horsetail spore

    Horsetail spores don’t need legs to jump

    Forget legs. A plant uses curly, humidity-controlled ribbons to make epic leaps.

  8. Microbes

    Let the bedbugs bite

    Harold Harlan has been feeding bedbugs, intentionally, on his own blood since 1973. He keeps pint or quart jars in his home containing at least 4,000 bugs.

  9. Animals

    Malaria mosquito dosed with disease-fighting bacteria

    After thousands of tries, lab gets parasite-carrying insect to catch Wolbachia.

  10. Microbes

    Some like it acidic

    In a higher-carbon world of altered oceans, a shelled plankton species may flourish.

  11. Oceans

    Life found deep below Antarctic ice

    Lake buried under 800 meters of ice hosts cells, researchers find.

  12. Microbes

    Protecting the planet

    Catharine “Cassie” Conley has the coolest job title at NASA: She’s the agency’s planetary protection officer. (The best title used to be “director of the universe,” but a reconfiguration a few years back eliminated that job description, she says.)