Uncategorized
- Health & Medicine
How antipsychotic drugs can cause weight gain
A study of mice has identified a biological mechanism by which medications called atypical antipsychotics cause people to gain weight.
- Anthropology
New age for ancient Americans
New radiocarbon dates indicate that the Clovis people, long considered the first well-documented settlers of the New World, inhabited North America considerably later and for a much shorter time than previously thought.
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19799
This article reports on new age dates for Clovis sites. It may be of interest to your readers that the dates given (11,050 to 10,900 years ago) are in “radiocarbon years” and are not in real or “calendar years.” As a result of variations in the production of carbon-14 in the atmosphere through time, radiocarbon […]
- Chemistry
Lighting up for uranium
A portable sensor could make it possible to rapidly detect environmental uranium contamination.
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19798
Your article shows that meerkats bear an uncanny resemblance to human beings. We, too, have an innate sense of responsibility for our group and individually commit acts of unspeakable violence. John HagerhorstFrederick, Md.
- Animals
Science behind the Soap Opera
Tight family groups of meerkats in Africa's arid lands offer a chance to see the costs, as well as the charms, of cooperation. With audio.
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19797
Your article mentioned choline as a possible treatment. This is not a new idea, as I found while searching the Science News Web site: In the June 22, 1935, issue, choline is reported as “a new aid in controlling diabetes.” Dr. C.H. Best, codiscoverer of insulin, reported the new finding. Daniel VanceCleveland, Tenn.
- Health & Medicine
Fixes for Fatty Liver
A slate of experimental treatments, including three established diabetes drugs, could become medicines for nonalcoholic fatty liver disease, an obesity-related cause of cirrhosis.
- Math
Ancient Islamic Penrose Tiles
Medieval Islamic artisans developed a process for creating elaborate, nonrepeating patterns now associated with Penrose tiles.
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Microbe World
Created by the American Society for Microbiology, the Microbe World Web site highlights the increasing importance of microbes in the environment, biotechnology, alternative energy, food science, and healthcare. Designed for science enthusiasts, students, teachers, parents, and the general public, the site features articles, images, audio and video podcasts, RSS feeds, and mobile “phonecasts.” Microbe World […]
- Ecosystems
Warming Sign? Larger dead zones form off Oregon coast
Unprecedented recent changes in the yearly pattern of ocean currents off North America's West Coast have wreaked havoc on aquatic ecosystems there, another possible symptom of Earth's warming climate.
