Uncategorized
- Animals
Redder is healthier in squawking birds
When barn swallow nestlings open wide for food, their parents may be looking for the healthiest throats.
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Evolution may not be slow or random
Studies of fruit flies taking over the New World and stickleback fish adapting to Canadian lakes suggest that evolution can proceed quickly and take predictable paths.
- Astronomy
Chandra eyes low-temperature black hole
An observatory in space has detected the coolest black hole yet found
- Health & Medicine
NO News
Preliminary research suggests that inhaled nitric oxide may offer a much-needed treatment for patients suffering from complications of sickle cell disease.
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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.
- Earth
Liquid Assets
Research provides guidance on how best to bank water during times of plenty for use during subsequent droughts
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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
- Materials Science
In glass, fast crowds boogie to brittle end
New experiments suggest that a coordinated dance involving more and more molecules may help explain the puzzling transformation from liquid to the molecular gridlock of solid glass.
- Humans
Students shine in Science Talent Search
The Intel Science Talent Search announces its 40 finalists
- Earth
Backyard burning is recipe for dioxin
A few rural households burning trash may generate more toxic dioxins than a major, properly operated municipal incinerator.
