Uncategorized
- 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 […]
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From the July 16, 1932, issue
CANADIAN RESEARCH BUILDING READY FOR USE AT OTTAWA “In time of war, prepare for peace” is an adage worthy of being followed in economic conflict such as now grips the world. The impending dedication of Canada’s $3 million laboratory building at Ottawa for its National Research Council is a fitting reminder that research undertaken now […]
- Physics
Sandcastle Physics
Just about anyone can build a sandcastle out of wet sand. Why sand behaves as it does–on the beach, during earthquakes, at low pressures–isn’t yet fully understood. A NASA space shuttle experiment is now slated to tackle details of what happens when sand is compressed. Go to: http://science.nasa.gov/headlines/y2002/11jul_mgm.htm
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19091
This article is highly deceptive in implying that avid recyclers are responsible for more dioxin in backyard burning. True, the article does say that’s per pound of trash burned. But how many fewer pounds of trash per person per year do these people burn? In reality, many people who are avid recyclers are probably also […]
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From the January 25, 1930, issue
IF AMERICA HAD NOT BEEN DISCOVERED The suggestion that ancient America appears to parallel ancient Europe rather remarkably was made recently by Dr. A.V. Kidder, archaeologist of Phillips Academy, Andover, and director of archaeological researches for the Carnegie Institute of Washington. Dr. Kidder pointed out that the Mayan Indians who lived in Central America and […]
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Let’s Go to Lascaux
Take a virtual trip to France’s Lascaux Cave. Gawk at the prehistoric paintings and engravings while learning about the site’s history, scientific work performed there, and Stone Age art techniques. Go to: http://www.culture.fr/culture/arcnat/lascaux/fr/index.html
- Chemistry
Buckymedicine
Scientists are turning carbon-cage molecules called fullerenes into drug candidates and medical diagnostic tools.
- Astronomy
X-ray observatory captures a rare supernova
Astronomers have obtained the first portrait of X-ray emission from a rare, so-called Ic supernova.
