Uncategorized
- 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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19443
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.
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19442
This article didn’t mention that professional journals usually charge exorbitant page charges, require that a paper be sent in a format that can be directly typeset, and price print and electronic subscriptions identically. What I conclude from this is that greed is as prevalent at professional societies as it is in the commercial world. Edmond […]
- Humans
The high cost of staying current
Reading peer-reviewed journals remains a primary means by which researchers stay on top of developments in their fields, but the annual costs for these periodicals are steep.
- Tech
Nanorods go for the gold
Gold blobs grown onto the ends of tiny, rod-shaped crystals provide potential points for electric contact and chemical liaisons that could enable such semiconductor bits to self-organize into complex circuits or structures.
