News

  1. Health & Medicine

    Hurt-Knees Rx: Surgical method promotes ligament regeneration

    A new artificial knee ligament that sparks regeneration of natural tissue could eventually make recovering from knee-repair surgery less painful and debilitating.

    By Patrick Barry

  2. Weight Matters: Big and little mouse pups become obese adults

    Being either overnourished or undernourished before birth can alter gene activity, leading to obesity during adulthood.

    By Christen Brownlee
  3. Astronomy

    Alien Light: Taking the spectra of extrasolar planets

    Astronomers have for the first time recorded the spectra of light emitted by two extrasolar planets.

    By Ron Cowen
  4. Health & Medicine

    Inside job dissolves blood clot pronto

    An experimental procedure that delivers a clot-busting drug directly to the brain can bring on a remarkable turnaround in some stroke patients.

    By Nathan Seppa
  5. Health & Medicine

    Aspirin resistance carries real risks

    Some people are resistant to the blood-thinning effects of aspirin, making them more vulnerable to stroke or heart problems.

    By Nathan Seppa
  6. Health & Medicine

    Aneurysm risk may get passed down

    A heightened risk of having a brain aneurysm seems to be passed down in some families, and the life-threatening rupture of an aneurysm appears to strike earlier in a succeeding generation.

    By Nathan Seppa
  7. Health & Medicine

    Brains carry odd load after strokes

    People who die from a stroke have accumulations of a protein called amyloid beta in the thalamus, a part of the brain involved in motor control and sensory processing.

    By Nathan Seppa

  8. Bacteria go for a spin

    Researchers may have found the mechanism powering a mysterious gliding motion in bacteria.

    By Aimee Cunningham
  9. Health & Medicine

    Want that fiber regular or decaf?

    Coffee is a significant, and previously unrecognized, source of dietary fiber.

    By Janet Raloff
  10. Humans

    USDA proposes an office of science

    The Bush administration's proposed 2007 farm bill would merge two existing U.S. Department of Agriculture research agencies into a single office of science.

    By Janet Raloff
  11. Planetary Science

    Solar craft reaches a new low

    The Ulysses spacecraft passed directly below the sun on Feb. 7, looking up at its south pole, a feat the craft has done only twice before.

    By Ron Cowen
  12. Animals

    Perils of Migration: New evidence that bats stalk birds

    Big Mediterranean bats snatch migrating songbirds out of the night sky in spring and fall.

    By Susan Milius