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Smoking out microbes
The addictive compound nicotine kills bacteria, which may explain why smokers get lung disease.
By John Travis -
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.
By John Travis -
Chopping up a microbial tail
An enzyme made by immune cells destroys the proteins that make up bacterial tails.
By John Travis - 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.
By Ben Harder - Astronomy
Finding a nearby star
Astronomers have discovered a star that may be among the very closest known to us.
By Ron Cowen - Ecosystems
Zebra mussels to the rescue
Bioengineers have harnessed zebra mussels to help avert algal blooms by cleaning particles, including algae, from the water.
By Janet Raloff -
19324
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 […]
By Science News -
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.
By Bruce Bower - Astronomy
Satellite begins its ultraviolet survey
NASA last month released the first images taken by the recently launched Galaxy Evolution Explorer satellite.
By Ron Cowen - Health & Medicine
Heart drug derails algal toxin
A drug for treating high cholesterol might someday find use relieving the debilitating symptoms of poisoning from some algal toxins.
By Janet Raloff - Chemistry
Danger Detection
Analytical chemists are exploring ways to improve chemical and biological weapons detection.