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  1. Climate

    Mangrove forests on the Yucatan Peninsula store record amounts of carbon

    Dense tangles of roots and natural water-filled sinkholes join forces to stockpile as much as 2,800 metric tons of carbon per hectare in the soil.

    By Carolyn Gramling
  2. Microbes

    These climate-friendly microbes recycle carbon without producing methane

    A newly discovered group of single-celled archaea break down decaying plants without adding the greenhouse gas methane to the atmosphere.

    By Carolyn Gramling
  3. Astronomy

    Saturn has a fuzzy core, spread over more than half the planet’s diameter

    Analysis of a wave in one of Saturn’s rings has revealed that the planet’s core is diffuse and bloated with lots of hydrogen and helium.