Uncategorized

  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. Astronomy

    Three gas clouds nearly grazed the edge of the Milky Way’s black hole

    Gas clumps cozy up to the Milky Way’s enormous black hole, new observations reveal.

    By Emily Conover
  4. Tech

    A new robot decides how and when to transform to get the job done

    A bot made of smaller robotic pieces autonomously changes its shape to trundle across flat ground, squeeze into tight spaces or climb stairs.