Uncategorized

  1. Anthropology

    In Maya society, cacao use was for everyone, not just royals

    Previously considered a preserve of Maya elites, cacao was consumed across all social strata, a new study finds.

    By Richard Kemeny
  2. Environment

    Mangrove forests expand and contract with a lunar cycle

    The carbon-sequestering trees grow in a roughly 18-year cycle according to tides influenced by the moon’s orbit, a study in Australia finds.

    By Katherine Kornei
  3. Earth

    Here’s how olivine may trigger deep earthquakes

    Olivine’s transformation into another mineral can destabilize rocks and set off quakes more than 300 kilometers down, experiments suggest.

    By Nikk Ogasa
  4. Planetary Science

    Here is the first direct look at Neptune’s rings in more than 30 years

    In 1989, the Voyager 2 spacecraft took the first pics of Neptune’s rings.