News

  1. Genetics

    Gene thought to cause obesity works indirectly

    Researchers have discovered a “genetic switch” that determines whether people will burn extra calories or save them as fat.

    By Tina Hesman Saey
  2. Health & Medicine

    Stiff cellular environment links obesity to breast cancer

    Obesity may directly support tumor growth by making a cell’s surroundings stiffer.

    By Sarah Schwartz
  3. Animals

    Hummingbird tongues may work like micropumps

    Hummingbird tongues work as elastic micropumps instead of simple thin tubes, researchers say in latest round of a scientific debate.

    By Susan Milius
  4. Health & Medicine

    Teen e-cig users more likely to smoke tobacco

    E-cigarette use is linked to later tobacco use in teens.