Uncategorized
- Health & Medicine
Phthalate exposure from drugs?
Use of an ingestible prescription drug may explain the highest blood concentration of a chemical plasticizer ever observed.
- Chemistry
Microbes craft unusual crystals
Bacteria dwelling in an abandoned iron mine form unusual crystals that could help scientists look for signs of previous life on Mars.
- Health & Medicine
All Roads Lead to RUNX
Genetic mutations that predispose some people to the autoimmune diseases lupus, psoriasis, and rheumatoid arthritis appear to have a common molecular feature: They derail the work of a protein, called RUNX1, that regulates how active certain genes are.
- Humans
Letters from the April 3, 2004, issue of Science News
Lack of data? Something jumped out at me from “Telltale Charts: Is anticipating heart disease as easy as 1, 2, 3, 4?” (SN: 1/31/04, p. 72: Telltale Charts). It’s that there were no published data supporting the 50 percent rule taught for years in medical schools. I think this speaks volumes about science and medicine […]
- Math
Pinpointing Killer Asteroids
Two award-winning high school students' projects focused on new methods for pinpointing asteroids locations.
- Humans
From the March 24, 1934, issue
A meteorite photo, the discovery of triple-weight hydrogen (tritium), and a new mirror for movie production.
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Earth Image
Presented by the Universities Space Research Association, this Web site features a new photo, graphic, or illustration every day. Each one deals with an aspect of earth science. Captions provide information about the images and links to related Web material. The archive, dating back to September 2000, includes images of atmospheric phenomena, unusual cloud formations, […]
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It’s Time! Fetal lungs tell mom when to deliver baby
The maturing lungs of a fetus may signal the mother when it's time for labor.
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19398
In this article, the thesis is that wolves hunt in packs because they lose less of a carcass to ravens (37 percent loss per pair versus 17 percent loss per pack). Yet the article also states that it’s more energy efficient for wolves to hunt in pairs and that a pack is not needed to […]
- Animals
Wolf vs. Raven? Thieving birds may drive canines to form big packs
A previously underappreciated reason why wolf packs get so big could be the relentless food snitching of ravens.
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19397
Wait a minute. Your article first indicates a 15.6 percent rise in the U.S. population between 1990 and 2002 but then goes on to claim an increase at “faster rates” in coastal counties: 13.3 percent. Richard LaatschOxford, Ohio The 13.3 percent rise in population is only for the 330 counties that touch the coastline. The […]
- Ecosystems
Coastal Surge: Ecosystems likely to suffer as more people move to the shores
Rapid development and population growth on and near U.S. coastlines in the near future will probably spell trouble for ecosystems in these areas, scientists say.
