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Brief Points, December 2005

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  • Screening for C-reactive protein as a cardiovascular risk factor may not help, because the protein typically occurs with traditional risk factors, such as smoking, high blood pressure and obesity. Archives of Internal Medicine, October 10

  • Losing consciousness on falling asleep results not because parts of the brain are shutting down but because the connections among different areas cease. Science, September 30

  • The Hall effect, the sideways deflection of electrons by a magnetic field, can also occur in phonons—or vibrations in a crystal lattice—even though phonons are not charged. The deflection showed up as a slight temperature variation across a sample. Physical Review Letters, October 4

  • A gene calledvSEPS1vunderlies inflammation. Ordinarily, the gene helps to clear out a cell's faulty proteins, but individuals who had an impairedvSEPS1vvariant suffered from higher levels of inflammation. Nature Genetics online, October 9

Scientific American Magazine Vol 293 Issue 6This article was published with the title “Brief Points” in Scientific American Magazine Vol. 293 No. 6 (), p. 36
doi:10.1038/scientificamerican1205-36a

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