Uncategorized
- Tech
Engineering Top 20
Airplanes, telephones, refrigerators, and spacecraft are among the life-changing technological accomplishments highlighted at the National Academy of Engineering’s Greatest Engineering Achievements of the 20th Century Web site. A variety of illustrations, a brief history, and a timeline of important landmarks accompany each entry. Go to: http://www.greatachievements.org/
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19094
The scientists in this article may want to adapt their solar concentrator for a more prosaic use: cooking. In the early 1970s, I was involved in a project to build a self-sufficient dwelling that drew solely on the wind and sun for its power. We looked into using fiber optics to transmit solar energy to […]
- Tech
Solar Surgery: Sunlight acts like laser
By channeling sunlight down a fiber optic cable, scientists have produced laserlike beams that can burn tumors off major organs.
- Physics
Prize honors physicist with conscience
Physicist-author Freeman J. Dyson received the Templeton prize for originality in advancing religious understanding.
- Physics
Four ions mingle in quantum chorus
A new way to produce mysterious quantum correlations among particles ups the record to four particles linked, or entangled, and opens the door to correlating many more particles on cue, a prerequisite for making quantum computers.
- Chemistry
Sweet tooth is in the genes
Taste researchers have narrowed the search for the sweet tooth gene, at least in mice, to a 100-gene region.
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19093
Cornell University entomologist Jeffrey G. Scott sees a cockroach contraceptive as still being a long way off. He may wish to investigate such a product that has been very effective and on the market for years. I can personally attest to its effectiveness. The common “flea bomb” that one gets from a veterinarian–the kind that […]
- Chemistry
Birth control for male cockroaches
Scientists have discovered a gene in German cockroaches that may lead to a new type of insect control—contraception for male cockroaches.
- Chemistry
Coming up roses in scent research
Aroma chemists have discovered a carotenoid-processing enzyme that makes the chemicals that give rose oil its smell.
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Milestones for Malaria: Parasite, mosquito genes decoded
Unraveling the DNA of a malaria-causing parasite and of a mosquito that carries it may suggest new ways to combat the deadly disease.
- Chemistry
Nutty and fungi-ble taxol sources
The active ingredient in the anticancer drug taxol has turned up in hazelnuts and fungi.
- Chemistry
Unsung benefits of darker, tasty oils
Processing to erase the distinctive flavors and colors in cooking oils also removes or deactivates compounds that can defuse biologically damaging chemical reactions in the body.
