All Stories
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Groomed DNA Handles Threats: Mothering styles alter rats’ stress responses
In rats, mothering styles set the genetic stage for a pup's lifelong responses to stressful situations.
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Might donating blood reduce blood concentrations of organochlorines, once the body has time to regenerate blood? Bill WallerDallas, Texas Researchers Catherine Pelletier and Angelo Tremblay of Laval University in Quebec City, Quebec, say this question is interesting but that the small quantity of donated blood wouldn’t significantly affect the overall concentration of organochlorines .—C. Lock
- Health & Medicine
A Toxic Side of Weight Loss: Pollutants may slow body’s metabolism
Weight loss releases toxic chemicals into the bloodstream, which may slow the body's metabolism.
- Earth
Sea Change: Carbon dioxide imperils marine ecosystems
Almost half the carbon dioxide produced by human activity in the past 2 centuries is now dissolved in the oceans, resulting in chemical changes that, if unchecked, could threaten some marine ecosystems.
- Humans
Caring for a Historic House
The National Park Service offers advice on taking care of the exterior—or skin—of an old home. From repairing shingles and fixing chimneys to painting trim and improving site drainage, this online course provides handy pointers about what to do and what not to do to keep an historic house in good shape. Go to: http://www2.cr.nps.gov/tps/roofdown/index.htm
- Humans
Letters from the July 17, 2004, issue of Science News
Readers on reading Other librarians and I regularly discuss illiterate, functional, aliterate, and avid readers. I am pleased that research has begun into what happens in readers’ brains (“Words in the Brain: Reading program spurs neural rewrite in kids,” SN: 5/8/04, p. 291: Words in the Brain: Reading program spurs neural rewrite in kids). The […]
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Female brains know how to fold ’em
Women compensate for the smaller overall volume of their brains by squeezing more folds into some of the space than men do.
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Not to detract from this project’s accomplishments or its potential, but does space really need tourists? It’s not a sideshow. It will still be dangerous and expensive. Assuming that space travel will be like today’s airline travel is mistaken, especially in the near term. Let’s remember that this project’s success so far also rests on […]
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- Physics
Quantum snare entraps key fifth photon
By coaxing five quantum particles into a state of entanglement, physicists have taken an important step toward dependable quantum computers and more-versatile schemes for transferring quantum information.
- Earth
Bacteria found to release arsenic into groundwater
Arsenic gets into groundwater largely through the action of bacteria residing in aquifer sediments.
- Health & Medicine
Four die of rabies in transplanted tissues
Four people who received tissue transplanted from a man who had died from an undiagnosed rabies infection have since themselves died from the same incurable neurological disease.
