News in Brief

  1. Planetary Science

    Impact from a space rock may have helped shape Pluto’s heart

    Pluto’s heart is deep basin, possibly caused by a run in with something else in the Kuiper belt.

    By Christopher Crockett
  2. Health & Medicine

    Organ waiting list policy benefits the wealthy, study charges

    Wealthier patients can afford to get on more organ transplant lists, giving them an advantage, a new study says.

    By Laura Beil
  3. Physics

    Water droplets spontaneously bounce, sans trampoline

    Initially stationary water droplets can bounce on an extremely water-repellent surface as if on a trampoline.

    By Andrew Grant
  4. Paleontology

    Ancient larvae built predator-thwarting mazes

    Mazelike tunnels built by ancient insect larvae offered protection from predators, paleontologists propose.