Uncategorized
- Tech
Tiny Timepiece: Atomic clock could fit almost anywhere
Physicists have shrunk the high-tech heart of an atomic clock to the size of a rice grain.
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Your readers should be aware that the increased fatal cancer risk posed by annual whole-body CT scans, although still quite high, is in fact almost five times lower than that stated in this article, which says that annual scans from age 45 to 75 would increase a person’s lifetime risk of dying from cancer by […]
- Health & Medicine
Scanning Risk: Whole-body CT exams may increase cancer
Adults who routinely get whole-body CT scans without medical cause are exposing themselves to doses of radiation that may increase their risk of dying from cancer.
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Cancer Flip-Flop: Gene acts in both proliferation and control of growth
Scientists have identified what might be a new class of cancer-controlling genes that alternates between halting and promoting cancer.
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Cultured Readers: Chinese kids show new neural side of dyslexia
Brain disturbances that underlie the inability to read a non-alphabetic script, such as Chinese, differ from those already implicated in the impaired reading of alphabetic systems, such as English.
- Health & Medicine
Alzheimer’s Advance: Omega-3 fatty acid benefits mice
A diet that includes a key omega-3 fatty acid found in fish prevents some memory loss in mice that develop a disease resembling Alzheimer's.
- Tech
Electrifying Toxic Cleanup: Electrodes could stimulate removal of radioactive waste
Researchers have devised a bioremediation system that electrically stimulates bacteria to break down toxic chemicals in the environment.
- Astronomy
Rocky Road: Planet hunting gets closer to Earth
Astronomers have discovered the three lightest planets known outside the solar system, moving researchers closer to the goal of finding extrasolar planets that resemble Earth.
- Humans
Letters from the September 4, 2004, issue of Science News
Funny pages Horvath and Toffel’s comparison of the environmental impacts of the paper versus the electronic editions of the New York Times is a bit misleading (“Newspaper’s Footprint: Environmental toll of all the news that’s fit to print,” SN: 6/12/04, p. 374: Newspaper’s Footprint: Environmental toll of all the news that’s fit to print). A […]
- Animals
Mom bears more sons when she gets extra bouquets
When researchers spiff up a male starling's courtship by delivering some extra bouquets to his mate on his behalf, the couple tends to produce more sons than usual.
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A call to arms aids recovery of sight
A man was able to recover some of the sight he lost as a result of brain damage simply by reaching out toward objects near his body, researchers say.
- Health & Medicine
Pathogenic partners prompt pneumonia
A study of infants has shown that bacterial and viral pathogens may act together in causing pneumonia, a finding that could affect treatment options.
