Uncategorized
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Different Views of Molecules
Interested in viewing molecular structures from different angles? Part of a Web site devoted to crystallography research, these pages provide colorful, interactive images of common, biologically important molecules, including amino acids, hormones, and nucleosides. Users can view and rotate a three-dimensional image of each molecule and obtain such information as its chemical formula. Requires a […]
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Salamander moms use bacteria to save eggs from fungi
Salamander skin has bacteria that repel egg-destroying mold.
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While the report of ballistic testing of bacteria is a fascinating study of bacterial survival, I’d be more concerned about the effects of severe extremes of heat, cold, and vacuum on the survival of bacterial spores. As the study stands, we’re still left wondering about these other important factors. Jon OngWoodland Hills, Calif. Bacteria can […]
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Bulletproof bacteria
Bacteria can survive being blasted into space.
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Smoking out microbes
The addictive compound nicotine kills bacteria, which may explain why smokers get lung disease.
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Some like it hotter
A microbe found on the ocean floor can grow at 121°C, a new record for the upper temperature limit for life.
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Chopping up a microbial tail
An enzyme made by immune cells destroys the proteins that make up bacterial tails.
- Earth
Whale meat in Japan is loaded with mercury
Some people in Japan who eat dolphins and other toothed whales are ingesting amounts of mercury that exceed legal health limits.
- Astronomy
Finding a nearby star
Astronomers have discovered a star that may be among the very closest known to us.
- Ecosystems
Zebra mussels to the rescue
Bioengineers have harnessed zebra mussels to help avert algal blooms by cleaning particles, including algae, from the water.
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This short piece didn’t say how self-esteem was assessed. Overdeveloped egotism is often a compensatory phenomenon in individuals with low self-esteem and can falsely present as high self-esteem. Self-reported self-regard taken at face value can lead to wrong conclusions about the effects of different levels of self-esteem on behavior, perception, relationships, and other aspects of […]
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Findings puncture self-esteem claims
People who report high levels of self-esteem experience few of the beneficial effects often assumed to flow from this attitude.
