News

  1. Paleontology

    Cholesterol traces suggest these mysterious fossils were animals, not fungi

    Traces of cholesterol still clinging to a group of enigmatic Ediacaran fossils suggests the weird critters were animals, not fungi or lichen.

    By Carolyn Gramling
  2. Life

    Humans have skeletal stem cells that help bones and cartilage grow

    Human skeletal stem cells have been found for the first time.

    By Tina Hesman Saey
  3. Life

    DNA from seized elephant ivory unmasks 3 big trafficking cartels in Africa

    Scientists can sleuth out wildlife crime and aid law enforcement by tracing elephant DNA from ivory seizures back to the source.

    By Laurel Hamers
  4. Materials Science

    High-tech ‘skins’ turn everyday objects into robots

    Robotic skins turn inanimate objects into multipurpose machines.