Uncategorized

  1. Health & Medicine

    New Clues: Gene variations may contribute to MS risk

    Variants of two genes encoding immune system proteins may confer a higher risk for multiple sclerosis.

    By
  2. Materials Science

    Crinkle wrinkle

    Wrinkles reveal a thin film's thickness and elasticity.

    By
  3. Chemistry

    Soot Sense: Test tallies exposure to diesel pollution

    A chemical in urine reveals a person's exposure to diesel exhaust.

    By
  4. Fatherless Stem Cells: Scientific fraud involved an accidental advance

    Stem cells that discredited researcher Woo Suk Hwang claimed as the first example of human cloning actually came from embryos that contained only the mother's genetic material.

    By
  5. Planetary Science

    G Whiz! Craft identifies source of faint Saturnian ring

    The Cassini spacecraft has discovered the source of particles that make up Saturn's G ring.

    By
  6. 19866

    Conservation by America is not going to decrease global warming. We need to imitate known global-cooling events, such as the Krakatoa volcano explosion, which spread sunlight-reflecting dust into the stratosphere in 1883. A hydrogen bomb exploded inside a ship full of white clay could be a first step. Daniel ShanefieldHonolulu, Hawaii Recent research suggests that […]

    By
  7. Earth

    Asian Forecast: Hazy, Warmer—Clouds of pollution heat lower atmosphere

    Clouds of smoke and soot that blanket many regions of Asia heat the lower atmosphere by the same amount that rising greenhouse gases do.

    By
  8. Health & Medicine

    Waking Up: Brain stimulator spurs dramatic improvement years after injury

    A man who spent 6 years in a minimally conscious state regained the ability to talk, eat, and move after doctors implanted electrodes deep in his brain.

    By
  9. Earth

    Slick Death: Oil-spill treatment kills coral

    Chemicals used to disperse marine oil spills are more harmful to coral than the oil itself.

    By
  10. Paleontology

    Dinosaurs’ gradual rise to dominance

    Early dinosaurs didn't quickly eclipse the creatures they evolved from, but lived alongside them for perhaps 20 million years.

    By
  11. Earth

    Metal spews from tires and brake pads

    A study in Stockholm says that tires and brake pads emit a variety of metal pollutants despite European regulations aimed at cleaning up these parts.

    By
  12. Materials Science

    Gecko adhesive gets added mussel

    A new adhesive that borrows tricks from the gecko and the mussel can stick and detach repeatedly and works even when wet.

    By