News

  1. 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
  2. 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.

    By Kate Baggaley
  3. Neuroscience

    With good timing, experiences can rewire old brains

    New experiences can rewire old brains — but the timing has to be just right.

    By Ashley Yeager
  4. Paleontology

    Monkeys reached Americas about 36 million years ago

    Peruvian fossils suggest ancient African primates somehow crossed the Atlantic Ocean and gave rise to South American monkeys.