Uncategorized

  1. Tech

    Dances with Robots

    Soldiers, rescue workers, and others may attain superhuman strength, speed, and endurance as a result of a new military program to develop powered robotic exoskeletons contoured to a person's body.

    By Peter Weiss
  2. Health & Medicine

    Glucose control spares arteries in diabetes

    Very strict control of blood glucose concentrations helps limit atherosclerosis formation in people with type I, or juvenile-onset, diabetes.

    By Nathan Seppa
  3. Animals

    Condor chicks hatch in zoo and wild

    Newly hatched California condor chicks indicate that reproduction is again taking place in the wild.

    By Janet Raloff

  4. Math fears subtract from memory, learning

    In a study of college students, high levels of anxiety about taking mathematics tests interfered with memory processes needed to perform difficult arithmetic problems.

    By Bruce Bower
  5. Animals

    Microbe lets mite dads perform virgin birth

    A gender-bent mite—in which altered males give birth as virgins—turns out to be the first species discovered to live and reproduce with only one set of chromosomes.

    By Susan Milius
  6. Earth

    Ozone flares with fireworks festivities

    Holiday fireworks and sparklers trigger ozone-generating chemical reactions in the lower atmosphere.

    By Jessica Gorman
  7. Health & Medicine

    Critical Care: Sugar Limit Saves Lives

    Strictly controlling blood-sugar concentrations in critically ill patients can reduce deaths by a third.

    By Damaris Christensen

  8. From the June 27, 1931, issue

    LARGER MERCURY VAPOR ELECTRIC GENERATING UNIT BEING BUILT A new and larger turbine electric generator that will use mercury vapor instead of steam and will consume less fuel than corresponding modern steam plants is being constructed in the General Electric Company plant at Schenectady, N.Y. This 20,000-kilowatt turbine will have twice the output of the […]

    By Science News
  9. Chemistry

    Perfecting Porosity

    Researchers are designing novel porous materials that could clean up toxins, store gases, or catalyze difficult chemical reactions.

    By Jessica Gorman
  10. Astronomy

    An Illuminating Journey

    Astronomers are beginning to use the cosmic microwave background, the remnant glow from the Big Bang, in a dramatically different way: Instead of treating it as a snapshot of the early universe, researchers are proposing to employ the radiation as a flashlight that probes the evolution of structure in the universe over its entire 13-billion-year history.

    By Ron Cowen
  11. Health & Medicine

    Forget about jet lag, and much more

    Airline flight attendants with chronic jet lag have higher stress hormone concentrations and smaller temporal lobes (centers of short-term memory in the brain)than do more rested attendants.

    By Jessa Netting
  12. Health & Medicine

    Prostate protection? This is fishy

    Diets rich in fish may cut a man's risk of prostate cancer.

    By Janet Raloff