News

  1. Plants, bats magnify neurotoxin in Guam

    Researchers have found that the natural neurotoxin BMAA gets magnified as it rises through a food chain on Guam, a finding that strengthens a recent hypothesis that attempts to explain a spike in neurological disease on that island.

    By Susan Milius
  2. Planetary Science

    Martian sand ripples are taller than Earth’s

    New data gathered by a Mars-orbiting probe suggest that large ripples found in sandy areas of the Red Planet are more than twice as tall as their terrestrial counterparts.

    By Sid Perkins
  3. Health & Medicine

    Two markers may predict heart risk

    Two proteins that play a role in inflammation may serve as indicators of a person's risk of heart disease and stroke.