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  1. Life

    Response to bacterial infection depends on time of day

    Mice that got Salmonella in the evening fared better than those given the microbe in the morning.

    By Meghan Rosen
  2. Life

    Microbes at home in your gut may also be influencing your brain

    When your gut grumbles or growls, it’s speaking to your brain. And it’s a perfectly reasonable thing to do. Evolution favors guts that can tell a brain what they want. So it’s not surprising that the brain and the gut should have a reliable communications connection. But suppose the gut’s messaging system was hacked by […]

    By Tom Siegfried
  3. Plants

    Mosses frozen in time come back to life

    Buried under a glacier for hundreds of years, plants regrow in the lab.