Uncategorized
- Humans
Letters from the June 25, 2005, issue of Science News
Dark secret? “Dark Influence: Most of the universe’s matter is out of sight, but not out of mind” (SN: 4/23/05, p. 264) made me wonder about the possibility of a continuum of matter. Could part of the problem in identifying dark matter be that only part of the spectrum of matter is observable by our […]
- Health & Medicine
Alcohol increases bacterium’s virulence
Drinking alcohol can increase the ability of one type of bacteria to cause disease.
- Health & Medicine
Ready-to-eat spinach bears tough microbes
Bagged spinach may contain a significant number of bacteria, many of which are resistant to several antibiotics.
- Health & Medicine
Raisins may combat cavity-causing bacteria
Raisins may fight the bacteria that cause cavities rather than contribute to tooth decay.
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Biofilm-producing bacteria could stabilize buildings
Bacteria that ooze a sticky matrix could help stabilize the soil beneath structures in earthquake-prone areas.
- Health & Medicine
Heart attack treatment: Better late than never
A new study contradicts the notion that heart attacks run their course in less than a day and suggests that even delayed treatment can preserve endangered heart tissue.
- Health & Medicine
Cocaine abusers get more heart aneurysms
Regular cocaine users are about four times as likely as nonusers to have an aneurysm in a coronary artery.
- Physics
Probing chemical signatures in an earthy way
Scientists have performed nuclear magnetic resonance analysis using Earth's magnetic field.
- Planetary Science
Opportunity rolls out of Purgatory
After being stuck for nearly 5 weeks, the Mars rover Opportunity has freed itself from a sand trap on the Red Planet.
- Chemistry
Energy on Ice
Recent efforts to unlock a frozen source of natural gas deep under the permafrost and ocean floor have energized prospects for a methane-hydrate industry.
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This article states that the gas-hydrate deposit near Prudhoe Bay “contains more than 1.2 trillion cubic meters of gas. That’s twice the total amount of natural gas consumed annually in the United States. . . .” Does it behoove us to invest the time and dollars it will take to tap that field for a […]
- Health & Medicine
A Matter of Time
Some patients are diagnosed with severe heart attacks in or near hospitals that can't offer them the best treatment, but is emergency transport to a better-equipped facility worth the delay?
