News

  1. Health & Medicine

    Nanomagnets tackle cancer

    Under the influence of an external magnetic field, tiny magnets act as highly localized space heaters, warming to temperatures that kill adjacent cancer cells.

    By Janet Raloff
  2. Life

    Smallest known snake

    New species is thin as a spaghetti noodle but shorter.

    By Susan Milius
  3. Physics

    Chem 101

    At high pressures, inner electrons begin to affect the structure of lithium.

    By Davide Castelvecchi
  4. Space

    Officially ice

    Phoenix Mars Lander detects water, a landmark that, along with other successes, prompts NASA to extend the mission.

    By Ashley Yeager
  5. Humans

    Wake-up call for sleep apnea

    A large, long-term study of sleep apnea links the breathing disorder to increased risk of death.