Uncategorized

  1. Health & Medicine

    More Than Bit Players: Snippets of RNA might sway pancreatic cancer

    Small pieces of genetic material called microRNA might provide a preview of pancreatic cancer's aggressiveness and offer targets for combating the usually deadly disease.

    By
  2. Planetary Science

    Liquid Center: Mercury has a molten core, radar reveals

    Mercury is hot stuff: It's got a core that's at least partially molten, a new radar study of the planet's spin reveals.

    By
  3. Automatic Networking: Brain systems charge up in unconscious monkeys

    Even when monkeys are anesthetized, their brains show patterns of electrical activity similar to those exhibited during wakeful activity.

    By
  4. Physics

    Quantum Loophole: Some quirks of physics can be good for science

    Physicists have found a way to almost double measurement precision when using photons to gauge distances.

    By
  5. Talk to the Hand: Language might have evolved from gestures

    Language might have evolved from hand gestures, say researchers who study communication in chimpanzees.

    By
  6. Health & Medicine

    Less Is More (Bone): Yearly osteoporosis drug reduces fractures

    Older women with osteoporosis who received yearly infusions of a drug that prevents bone loss had far fewer fractures than did peers who didn't get the drug.

    By
  7. Humans

    From the May 1, 1937, issue

    A vitamin image, sugar versus alcohol, and patterns in cells.

    By
  8. Physics

    Exploring Time

    This new educational site offers time-lapse and high-speed video clips, 3D scientific animations, and other visually stunning features that reveal how events unfold on different timescales—from billionths of seconds to billions of years—and take place too quickly or too slowly for the human senses to perceive. Go to: http://www.exploringtime.org

    By
  9. Planetary Science

    A solar forecast

    Solar activity, which waxes and wanes in an 11-year cycle, will most likely begin its next round in March 2008 and peak sometime between late 2011 and mid 2012.

    By
  10. Animals

    Spider blood fluoresces

    Among spiders, fluorescence under ultraviolet light seems to be a widespread trait.

    By
  11. Earth

    Lake Superior is warming faster than its local climate

    In recent decades, the waters of Lake Superior have warmed significantly faster than have air temperatures at nearby sites onshore, a trend caused in part by a long-term decrease in the lake's winter ice cover.

    By
  12. Anthropology

    Kin play limited role in chimp cooperation

    Male chimps collaborate in a variety of ways and, like people, often find partners outside of their immediate families for cooperative ventures.

    By