Notebook

  1. Microbes

    This microbe makes a meal of plastic

    A newly identified bacterium can break down plastic waste.

    By Sarah Schwartz
  2. Environment

    Dome effect leaves Chinese megacities under thick haze

    Airborne black carbon lowers an atmospheric boundary, trapping pollution around major cities and worsening air quality, researchers propose.

    By Thomas Sumner
  3. Animals

    Ancient arthropod kept its brood close

    A newly discovered ancient arthropod may offer clues on the evolution of parenting styles.

    By Cassie Martin
  4. Life

    New habitat monitoring tools find hope for tigers

    Free tools such Google Earth Engine and Global Forest Watch show there’s still enough forest left for tigers — if it’s protected.