Uncategorized
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19734
I was extremely disappointed to read the definition of ecotourism as being “the practice of visiting sites where exotic landscapes and rare animals are the main attractions.” Ecotourism was founded with the specific goal of countering the overuse of the kind of travel described in the article. A better definition would be one used by […]
- Chemistry
Catalyst cleans up
A new chemical catalyst can remove the pollutant perchlorate from water.
- Chemistry
Altering ant uniforms
The chemical coat that an invasive ant species relies upon to recognize its kin may someday serve to turn family into foe.
- Materials Science
Rice-straw sweaters
Textile scientists have for the first time extracted from rice straw natural cellulose fibers that can be spun into yarn.
- Animals
Mother deer can’t ID their fawns by call
Fawns can distinguish their mom's voice from another deer's, but a mom can't pick out her fawn's call.
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Insecticide gets help from gut bacteria
The world's most widely used organic insecticide appears to rely on an insect's normal gut flora to do its dirty work.
- Tech
Muscling up colors for electronic displays
Researchers have found a way to provide the complete color palette for television and computer screens.
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Chemical Enlightenment
After a 40-year hiatus, research on the psychedelic drug psilocybin indicates that it often triggers mystical and spiritual experiences in ordinary people, at least temporarily changing their lives for the better.
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19733
The “mystical journey” described in this article has long been available drug free and under carefully controlled conditions via biofeedback. The results of these sessions are very similar to those described by people who received psilocybin. In the rare circumstances when clients become uncomfortable in their altered states, a session can be terminated immediately. Doreen […]
- Humans
Letters from the September 30, 2006, issue of Science News
Not a pretty picture “Deadly Disorder: Imagined-ugliness illness yields high suicide rate” (SN: 7/22/06, p. 52) raises some questions. What about people who are physically unattractive—those whom a majority of the society considers ugly? I suspect that many people treated for body dysmorphic disorder (BDD) are unattractive by that definition. The psychiatric profession tends to […]
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- Humans
From the September 19, 1936, issue
A nebula photographed, thin films, and cancer as uncontrolled cell growth.
