News

  1. Health & Medicine

    The brain’s response to a heart attack may worsen recovery

    In mice, blocking heart-to-brain signals improved healing after a heart attack, hinting at new targets for cardiac therapy.

    By Alessio Cozzolino
  2. Animals

    Spider silk-making organs evolved due to a 400-million-year-old genetic oops

    An ancient ancestor of spiders and relatives doubled its genome about 400 million years ago, setting the stage for the evolution of spinnerets.

    By Jake Buehler
  3. Archaeology

    This ancient stick may be the world’s oldest handheld wooden tool

    These 430,000-year-old wooden tools from Greece are a rare find and provide a glimpse at the technical know-how of our early human ancestors.

    By Tom Metcalfe
  4. Animals

    Some vaccines are making progress in protecting vulnerable species

    Vaccines can be a crucial conservation tool.