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Science News for November 19, 2006


Women are diagnosed with PTSD more than men, says research

A review of 290 studies found that women are more likely to meet diagnostic criteria for PTSD despite males experiencing more traumatic events on average. Women's higher PTSD rates were linked to sexual trauma and emotional responses to traumatic events.

SourceAmerican Psychological Association·JournalPsychological Bulletin·DateNov 19, 2006

Chemical exchanges show wasps are bad losers

Researchers have discovered that female wasps release a potent gas when losing fights over larvae, which could help control crop-destroying pests. This finding has great potential for applied spin-offs in biological control.

SourceBiotechnology and Biological Sciences Research Council·DateNov 19, 2006
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

A quantum (computer) step

Researchers at the University of Utah have demonstrated a way to read data stored in the magnetic spins of phosphorus atoms, a major obstacle for building a particular kind of quantum computer. This breakthrough could lead to the development of superfast computers based on quantum physics.

SourceUniversity of Utah·JournalNature Physics·DateNov 19, 2006

Fighting like a girl or boy determined by gene in fruit flies

A study by Harvard Medical School researchers found that a gene called 'fruitless' is responsible for sex-specific behaviors in fruit flies, including fighting patterns. The findings provide a new model for understanding the biology of aggression and its neural circuitry.

SourceHarvard Medical School·JournalNature Neuroscience·DateNov 19, 2006