News

  1. Astronomy

    Asteroids or planets might trigger a supernova

    Rocky debris falling onto a white dwarf might trigger some supernovas.

    By Christopher Crockett
  2. Materials Science

    Oxygen sneaks into titanium, making it brittle

    Oxygen atoms trigger defects in titanium’s atomic structure, making the metal brittle.

    By Beth Mole
  3. Physics

    Temperatures taken in the realm of the tiny

    Aluminum and other materials can serve as their own thermometers at nanometer scales, opening up the possibility of taking the temperature of tiny computer transistors.

    By Andrew Grant
  4. Neuroscience

    Shots of brain cells restore learning, memory in rats

    Scientists healed damage caused to rats’ brains from radiation by injecting cells that replenish the insulation on neurons.