All Stories

  1. Earth

    Trailing dust devils

    Whirlwinds leave dark paths behind by sucking sand grains clean.

    By
  2. Life

    Genetics redraws marsupial family tree

    A new analysis traces the group’s origin to South America.

    By
  3. Chemistry

    More evidence that BPA laces store receipts

    People interested in limiting exposure to bisphenol A — a hormone-mimicking environmental contaminant — might want to consider wearing gloves the next time a store clerk hands over a cash-register receipt. A July 27 report by a public-interest research group has now confirmed many of these receipts have a BPA-rich powdery residue on their surface.

    By
  4. Materials Science

    Erasing wrinkles, the physicists’ way

    Researchers study how folds and other creases disappear.

    By
  5. Space

    Two is the magic number

    New experiments confirm a fundamental postulate of quantum mechanics.

    By
  6. Food for Mars

    Astronauts may have to survive in orbit for months dining on a really limited menu of processed foods and reconstituted beverages served from oh-so-glamorous plastic pouches. Luckily, even the International Space Station can restock its pantry several times a year because these foods are relatively perishable. Which explains the problem NASA faces in planning for really long missions — like a trip to Mars.

    By
  7. Earth

    Researchers create global map of tree height

    A new map shows forest height around the globe and will improve estimates of how much carbon is stored in trees.

    By
  8. Particle Physics

    New data suggest a lighter Higgs

    Fermilab results heat up the race for an elusive particle.

    By
  9. Health & Medicine

    ‘Housekeeping’ proteins may set aging limit

    Aging cells may seal their fate by keeping worn-out proteins when they sprout offspring.

    By
  10. Astronomy

    Heftiest stars discovered

    At more than 200 times sun’s mass, this giant sets a new record.

    By
  11. Math

    Swarming locusts impossible to predict

    A mathematical analysis shows that random factors underlie the insects’ movements across the landscape.

    By
  12. Plants

    Explosions, mushroom clouds — all good for short moss

    BLOG: Sphagnum reproduces with a bang that compensates for life so close to the ground.

    By