News

  1. Health & Medicine

    False teeth could double as hearing aids

    Dental implants can conduct sound through jawbone, making them candidates for discreet, high-quality hearing aids, researchers say.

    By James R. Riordon
  2. Planetary Science

    NASA’s DART spacecraft just smashed into an asteroid — on purpose

    If the first-ever attempt to knock a space rock off course works, it could provide a blueprint to protect Earth from a killer asteroid.

    By Maria Temming
  3. 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
  4. 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.