News

  1. Life

    Scientists spy on the secret inner life of bacteria

    New images reveal the inner workings of bacteria.

    By Tina Hesman Saey
  2. Life

    Flight demands may have steered the evolution of bird egg shape

    An analysis of nearly 50,000 bird eggs finds a link between a species’ egg shape and flight ability.

    By Laurel Hamers
  3. Health & Medicine

    Bones make hormones that communicate with the brain and other organs

    Bones send out hormone signals that chat with other parts of the body, studies in mice show. What influence these hormones have in people, though, remain a mystery.

    By Cassie Martin
  4. Health & Medicine

    Protein in Parkinson’s provokes the immune system

    The immune system recognizes parts of a protein linked to Parkinson’s disease as foreign, triggering an autoimmune response.