Uncategorized
- Physics
Detector spots solar chameleons
A new measurement of the sun's emission of ghostly neutrinos indicates that the prevailing theory of particle physics needs repair.
- Health & Medicine
No benefit from screening
Two large studies confirm that a urine test for a common childhood cancer—neuroblastoma—offers no benefit.
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Boys take a tumble
A long-term study of children from grades 1 through 12 finds a disturbing tendency for boys to report much larger declines in appraisals of their academic abilities than do girls.
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19003
This article says, “While tornadoes are most common on the Great Plains and throughout the Mississippi River valley, they can occur almost anywhere in the United States.” Are tornadoes unique or more common in North America than elsewhere? Ruth HousmanNewton Center, Mass. Tornadoes have been spotted on every continent except Antarctica, says Harold Brooks of […]
- Earth
Tornado Alley, USA
A new model that simulates 30,000 years worth of tornadoes in the United States finds that the place not to be if you fear funnel clouds is southeastern Oklahoma, where any particular spot can expect to get damaged once every 4,000 years.
- Math
Filling In Blanks
Researchers are developing automated methods based on differential equations to reduce the time and effort required to fix digital images, not only to fill in blank areas but also to remove extraneous objects.
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From the May 7, 1932, issue
MONKEYS GET BALD LIKE MEN It is no longer fair to blame your barber or beautician for that bald spot; nor can you lay your gray hairs onto worry over your childrens naughtiness or your brokers shortsightedness. Getting bald or going gray are just primate traits, like walking on two legs instead of four, according […]
- Tech
Cold Lighting
Solid-state light sources, such as light-emitting diodes, promise greater energy efficiency than do incandescent lamps. The Sandia National Laboratories has launched a Web site that offers articles, references, and other information on semiconductor-based lighting and its use for illuminating homes, offices, and public spaces. Go to: http://lighting.sandia.gov/
- Math
Prime Spirals
Precisely defined yet enticingly elusive, prime numbers occupy a central place in number theory. Evenly divisible only by themselves and 1, these special integers–2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, and so on–pose all sorts of conundrums. In a square grid, numbering squares instead of line intersections serves as […]
- Astronomy
Sharper Images: New Hubble camera goes the distance
Astronomers have unveiled a picture of the distant universe that ranks as the sharpest and most detailed ever recorded.
- Health & Medicine
Cancer Link Cooks Up Doubt: Heating may form potential carcinogen in food
Foods cooked at high temperatures contain large concentrations of acrylamide, a compound suspected to cause cancer in people, but researchers are cautious about acting on preliminary, unpublished data.
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19002
This article implies that the universe has a beginning and maybe an end. That seems to be a leap. I think we should not limit our thinking to a universe that was created at some point by a Big Bang or a Supreme Being. The facts in the article point to an event (maybe the […]
