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- Humans
Letters from the June 2, 2007, issue of Science News
Where there’s fire Regarding “Risky Flames: Firefighter coronaries spike during blazes” (SN: 3/24/07, p. 180), was the increased death rate due to firefighters having a higher rate of heart disease than people do in other jobs? An analysis of eating habits may reveal more insight. Jim SchmitzSt. Louis, Mo. The study looked only at what […]
- Earth
Using seismometers to monitor glaciers
Seismic instruments could be used to estimate the amount of ice that shears away from glaciers as they flow into the sea, offering a way to better estimate sea level rise due to the breakup of those ice masses.
- Physics
Carbon’s mysterious magnetism
An X-ray experiment has yielded the most conclusive evidence to date that carbon can be magnetic.
- Planetary Science
Powering Enceladus’ plumes
The action of Saturn's gravity is responsible for plumes of water vapor shooting out from cracks on the moon Enceladus.
- Health & Medicine
Stem cells not required
Insulin-producing cells in the pancreas proliferate by cell division, unlike other body tissues, which regenerate from adult stem cells.
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I would debate the “1,000 watts or more” value attributed to typical adults during strenuous exercise as mentioned in this story. Hiking up steep slopes, I rarely exceed 250 W myself, and typical hikers are going much slower. The 1,000-watt figure can only apply to elite athletes during brief periods of peak exertion. David B. […]
- Tech
Powering the Revolution
Sensors and other electronic devices that can scavenge energy could open a new realm for technology.
- Ecosystems
Slime Dwellers
The health of corals, and their adaptability in the face of adversity, may rest largely on the microbes they recruit into a slime that coats their surfaces.
- Humans
From the May 22, 1937, issue
Hidden beauty revealed, an electric french horn, and safer toy balloons.
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Earth Portal
This Web site, created by the National Council for Science and the Environment, is a comprehensive, free, and dynamic resource for timely, objective, science-based information about the environment built by a global community of environmental experts. It features news, a forum, the Encyclopedia of Earth, and more. Go to: http://www.earthportal.org
- Humans
Hot Competition: Students display winning projects
High school students from 51 countries gathered in Albuquerque last week to compete for scholarships and other prizes at the 2007 Intel International Science and Engineering Fair.
