News

  1. Health & Medicine

    Turn off, tune in, drop out

    Magic mushrooms reduce blood flow to parts of the brain responsible for sense of self.

    By Devin Powell
  2. Life

    Chemo drug drives growth of some tumors

    A common treatment stimulates the growth of cells that give rise to ovarian cancer, but researchers may have a fix.

    By Tina Hesman Saey
  3. Humans

    Election night numbers can signal fraud

    Wealth of high-turnout blowouts in Russia’s 2011 parliamentary contest strongly suggests ballot stuffing, an analysis concludes.

    By Rachel Ehrenberg
  4. Climate

    Amazon may become greenhouse gas emitter

    South America’s massive rain forest may soon release more carbon into the atmosphere than it absorbs.