News

  1. Health & Medicine

    Asthma may add to sleep apnea risk

    A long-term sleep study strengthens the link between the two breathing disorders asthma and sleep apnea.

    By Nathan Seppa
  2. Health & Medicine

    More oxygen may lead to more tumors

    Lung cancer risk drops at higher elevations where the air is thinner.

    By Tina Hesman Saey
  3. Materials Science

    Graphene’s allure becomes magnetic

    Single-atom-thick sheets of carbon called graphene can be magnetized with the help of an insulating magnet.

    By Andrew Grant
  4. Animals

    Disco clams may flash chemical-weapons warning

    Puzzling disco clam light show might warn predators not to bite.

    By Susan Milius
  5. Climate

    Galápagos waters preview future for corals

    Posthumous analysis of Galápagos coral reefs reveals how climate change, carbon dioxide and pollution could kill off reefs worldwide by 2050.