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Mood disorder cuts work performance
A national survey finds that people with bipolar disorder lose even more workdays each year as a result of their illness than do workers with major depression.
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This article says that people with bipolar disorder tend to have more lost workdays than those with major depression do. The data shows this is true. However, the authors point out that in the sample of 3,378 workers, 1 percent suffered from bipolar disorder while 6 percent experienced major depression. Clearly, the greater impact on […]
- Tech
Start your engines
Mechanical engineers have developed a system that greatly decreases the amount of toxic hydrocarbons a car releases.
- Planetary Science
SMART stop
The European Space Agency's first mission to the moon ended with a deliberate bang on Sept. 3.
- Health & Medicine
Shingles shot’s value is uncertain
The cost-effectiveness of a new vaccine against shingles remains uncertain, making it difficult to assess whether adults should routinely receive the shot.
- Planetary Science
Martian doings
The Mars Reconnaissance Orbiter has finished reshaping its orbit, while the venerable rover Opportunity is approaching the rim of the widest and deepest crater it has yet visited.
- Health & Medicine
Progestin linked to hearing loss in older women
Elderly women who received progestin as part of hormone replacement therapy have poorer hearing than do women who didn't get progestin.
- Anthropology
Neandertal debate goes south
A controversial report concludes that Neandertals lived on southwestern Europe's Iberian coast until 24,000 years ago, sharing the area for several thousand years with modern humans before dying out.
- Tech
A thin laser gets thinner
Researchers have created a microchip laser that fires an extraordinarily thin beam of high-intensity light.
- Astronomy
Temperamental Monsters
A new theory suggests that many huge stars undergo outbursts during which they shed most of their mass late in life rather than doing it gradually over their 3-to-4-million-year lifetimes.
- Health & Medicine
Calling Death’s Bluff
New methods of assessing a person's risk of sudden death due to a heart arrhythmia may enable doctors to better identify which patients need to receive an implanted defibrillator.
- Humans
Letters from the September 23, 2006, issue of Science News
Moo juiced? I live in Northern California, where forest-biomass power plants are common (“Radiation Redux: Forest fires remobilize fallout from bomb tests,” SN: 7/15/06, p. 38). One power plant takes the ashes that result and places them where cows forage. I’m wondering to what level of concentration this process will accumulate the cesium in organic […]
