Uncategorized
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19086
This article says that the water drop is added to the back of the paper “as a wall against which the metal plume could push.” It seems more likely that the heat of the laser would even more violently vaporize the water, creating a small explosion that would drive the plane forward via the relatively […]
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- Earth
Study links cancer to Vatican Radio
Broadcast transmissions from a forest of antennas owned by Vatican Radio, outside Rome, appear to have boosted leukemia incidence in neighboring communities.
- Health & Medicine
Method could boost diabetes therapy
Allowing insulin-producing islets to grow in close contact with each other during cell culture may increase the chance of successful transplant into diabetic people.
- Tech
Software bugs cost big bucks
An epidemic of software errors in industrial computer programs is costing the United States $60 billion per year.
- Health & Medicine
Melanoma gene quickly reeled in
Biologists have discovered a gene that may contribute to many cases of deadly skin cancer.
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19085
Regarding this article, I live close to Mendota, Calif., the site of the photo depicting ground subsidence due to overpumping of groundwater. Though I have only lived here for two summers, I am surprised at the amount of water wasted daily by agriculture and residential users in this area. A casual observer would not know […]
- Earth
Crisis on Tap?
Because people are becoming ever more dependent on underground aquifers as sources of water, scientists are striving to understand better how groundwater systems interact with the water that flows across Earth's surface.
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19084
This article confirms what food-allergic persons have known for quite awhile, that food allergy reactions are not provoked only by ingestion. Another kind of kiss can cause reactions. My food-allergic daughter reports that “kisses” from pets may or may not cause hives, depending on the animal’s diet. Diane SmithOakton, Va.
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19021
As stated in the article, nitric oxide is a recognized and commonly monitored pollutant. It would be of interest to see the incidence of sickle-cell disease plotted against NO pollution levels for similar populations. Sufficient data are probably already available. Ken MartwickFall Creek, Ore.
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19078
I was saddened to see that water conservation received such short shrift in this article. The easiest, cheapest way to conserve water supplies is simply not to use them. Instead of figuring out how to put blankets on snowdrifts, why not just focus on turning off the tap while brushing your teeth or shaving? Alan […]
