Uncategorized

  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. Agriculture

    Can science build a better burger?

    Researchers hope to replace whole animal agriculture and feed the world with lab-made meats or plants.

    By Susan Milius
  3. 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
  4. 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.