News

  1. Climate

    Amazon may become greenhouse gas emitter

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

    By Devin Powell
  2. Life

    Boxwood blight invades North America

    The devastating fungus has already stripped shrubbery down to sticks in Europe and New Zealand.

    By Susan Milius
  3. Humans

    Junk food in schools gets weighty reprieve

    Disputed data suggest that non-nutritious eats sold on-site don’t fatten kids.

    By Bruce Bower
  4. Health & Medicine

    Mineral quashes deadly bacterial poisons

    Manganese supplement might someday help counter a virulent form of E. coli.

    By Janet Raloff
  5. Health & Medicine

    Proteins may warn of diabetic kidney disease risk

    Patients who have high levels of compounds called TNF receptors in their blood have a heightened risk of developing renal failure, two studies suggest.