News

  1. Paleontology

    Eggs evolved color and speckles only once — during the age of dinosaurs

    Birds’ colorful eggs were inherited from their nonavian dinosaur ancestors.

    By Carolyn Gramling
  2. Neuroscience

    Stimulating the spinal cord helps 3 more paralyzed people walk

    There’s more evidence that with targeted spinal cord stimulation, paralyzed people can move voluntarily — and even walk.

    By Laurel Hamers
  3. Health & Medicine

    The appendix is implicated in Parkinson’s disease

    Removal of the appendix reduced the risk of developing Parkinson’s disease, an analysis of nearly 1.7 million health records in Sweden suggests.

    By Aimee Cunningham
  4. Animals

    How roaches fight off wasps that turn their victims into zombies

    Cockroaches kick attacking emerald jewel wasps to avoid being incapacitated and buried alive as living meat for the wasps’ young.