News

  1. Beyond Clots: Platelets in blood may guide immune response

    Platelets, best known for their ability to create blood clots in wounds, may also have a role in the immune system.

    By John Travis
  2. Astronomy

    Taking the Crab’s pulse

    Simultaneous recordings of a pulsar's radio emissions and its visible beam shed new light on the seemingly chaotic variations in the intensities of those emissions.

    By Ben Harder
  3. Tech

    Press ‘n’ Peel Lasers: Coaxing light beams out of cheap plastic

    Researchers have devised a way to imprint lasers in plastic—an achievement that may one day lead to ultracheap lasers mass-produced like poker chips.

    By Peter Weiss
  4. Astronomy

    Sky Prospecting: Surveying the universe’s middle-aged galaxies

    With a new sky survey, astronomers can tell the story of what happened during the universe’s middle years—about 7 billion years ago.