Pollution

  1. Environment

    Natural acids in soil could protect rice from toxic nanoparticles

    A common component of dirt makes toxic copper oxide nanoparticles less harmful to rice plants.

    By Beth Mole
  2. Environment

    Oil from BP spill probably sprayed out in tiny drops

    Oil that gushed from the well in the 2010 Deepwater Horizon spill may have shattered into tiny droplets, with high pressures doing the work of dispersants.

    By Beth Mole
  3. Science & Society

    One anniversary to celebrate, one to contemplate

    In this issue, both feature articles focus on anniversaries, though of two very different kinds.

    By Eva Emerson
  4. Environment

    Controversial insecticide use rises as farmers douse seeds

    Use of neonicotinoids, a class of controversial insecticides, has risen dramatically, posing threat to pollinating insects.