News

  1. Health & Medicine

    Fewer dopamine receptors makes for risky business 

    Brain-scanning study in people sees link between personality, dopamine system.

    By Laura Sanders
  2. Health & Medicine

    Disturbed sleep tied to Parkinson’s risk

    People who have a disorder that causes them to thrash and kick during sleep face a high risk of developing Parkinson’s disease or other neurodegenerative disorders.

    By Nathan Seppa
  3. Agriculture

    Candy cane strategy sweetens life for goldenrods

    Goldenrods temporarily duck their heads during pest season

    By Susan Milius
  4. Health & Medicine

    New embryonic stem cells ratted out

    Overcoming obstacles, scientists have created stable embryonic stem cells from rats. Researchers hope their method will prove useful as a general recipe for isolating stem cells from other mammals.