Uncategorized

  1. Math

    Math Prizes: Honors for connecting number theory, geometry, and algebra

    Fields Medals were awarded to two mathematicians, Laurent Lafforgue and Vladimir Voevodsky, who forged new links between different branches of mathematics.

    By
  2. Physics

    Relativity and Gravitation

    Learn more about the hot Big Bang, relic radiation, black holes, cosmic strings, inflation, and other topics at the frontiers of cosmology research. Offered by the Cambridge University relativity and gravitation research group, this Web site features illustrated explanations of key concepts, colorful movies, and a link to Stephen Hawking’s pages. Go to: http://www.damtp.cam.ac.uk/user/gr/public/

    By
  3. Ecosystems

    Plants hitch rides with box turtles

    In the pine rocklands of southern Florida, at least nine plant species find new homes by traveling through a turtle's gut.

    By
  4. Plants

    Sunflower genes don’t fit pattern

    Comparison between crop and wild sunflower genes suggests that the plant followed an easy route to domestication.

    By
  5. Health & Medicine

    Tracking signs of memory loss

    A new imaging agent may allow researchers to detect the plaques characteristic of Alzheimer's disease before symptoms are present, when therapies may be most effective.

    By
  6. Physics

    Violent chemistry saps sonobubble energy

    In liquids agitated by sound waves, imploding gas bubbles get cooled when atoms recombine, making the bubbles unlikely nuclear reactors.

    By
  7. Earth

    2002’s tornado tally well below average

    As of August 1, barely half the usual number of tornadoes had struck the lower 48 states of the United States.

    By
  8. Animals

    Male butterflies are driven to drink

    Monarch butterflies that winter in California, especially males that had a demanding day, search out dewdrops as a water source.

    By
  9. Earth

    Cigarette smoke can harm kitty, too

    Compared with animals living in smokefree homes, cats who lived for some time with a smoker at least doubled their risk of developing the feline analog of the cancer non-Hodgkin's lymphoma.

    By
  10. Tech

    Micromachine runs on nuclear power

    Radioactivity creates electric fields that wiggle a tiny lever.

    By
  11. Math

    Probabilities in Bingo

    One of the little pleasures of our annual winter vacation is an evening Bingo party. After a day of sledding and cross-country skiing, it’s relaxing to indulge in a social game that requires minimal thought, affords young and old the same chance of winning, and has a strong element of suspense. To play Bingo, each […]

    By
  12. Paleontology

    Sea Dragons

    About 235 million years ago, as the earliest dinosaurs stomped about on land, some of their reptilian relatives slipped back into the surf, took on an aquatic lifestyle, and became ichthyosaurs—Greek for fish lizards.

    By