News

  1. 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.

    By Nathan Seppa
  2. Humans

    Seaweed study fuels bioenergy enthusiasm

    Munched by a manipulated microbe, ocean algae readily yield ethanol.

    By Rachel Ehrenberg
  3. Health & Medicine

    Sleep solidifies bad feelings

    A night of slumber reinforces not just traumatic memories but the negative emotions that go with them, one study finds.

    By Laura Sanders
  4. Earth

    Carbonation brings diamonds to surface

    Chemical reactions deep inside the Earth fuel magma’s gem-laden upward journey.