News

  1. Genetics

    Liberia’s Ebola outbreak largely traced to one source

    Ebola’s spread and evolution in Liberia echoes patterns seen in Sierra Leone.

    By Tina Hesman Saey
  2. Animals

    Water bears’ genetic borrowing questioned

    A new analysis of tardigrade DNA suggests that water bears don’t swap many genes with other organisms after all.

    By Tina Hesman Saey
  3. Paleontology

    New dating of dino ancestor challenges Triassic timeline

    New dates for geologic layers of well-known fossil formation show that dinosaurs and their ancient relatives were separated by less time than researchers thought.

    By Chris Samoray
  4. Genetics

    DNA editing shows success in mosquito sterilization

    A new gene drive that sterilizes females could reduce numbers of malaria mosquitoes

    By Tina Hesman Saey
  5. Health & Medicine

    High-potency pot smokers show brain-fiber damage

    People who smoke potent pot had signs of damage in a brain communication link.