News

  1. Health & Medicine

    Gamblers go all-in on Ritalin

    Risk-taking may rise when healthy people use the stimulant to boost concentration.

    By Laura Sanders
  2. Life

    DNA tags may dictate bee behavior

    Chemical alterations affect genetic activity but not the genes themselves.

    By Tina Hesman Saey
  3. Life

    Flash leads to flex in lab-grown muscle

    Light-activated artificial tissue inspires dream of squirming wormbots.

    By Meghan Rosen
  4. Physics

    Uncertainty not so certain after all

    Lab experiments undermine the first formulation of Heisenberg’s famous physics principle, but leave its broader implications intact.

    By Alexandra Witze
  5. Health & Medicine

    Brain’s white matter diminished in isolated mice

    Experiments may offer a biological explanation for the social and emotional problems of neglected children.