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Science News for November 29, 2009


Spinons -- confined like quarks

Scientists have observed a phenomenon known as confinement of spinons in a condensed matter system, where individual particles behave like quarks. The researchers used neutron scattering experiments to study the crystal and magnetic structure, finding evidence for the confinement idea.

SourceHelmholtz Association·JournalNature Physics·DateNov 29, 2009

Caltech scientists explain puzzling lake asymmetry on Titan

Researchers suggest that the planet's oblong orbit exposes different areas of Titan to varying amounts of sunlight, affecting precipitation and evaporation cycles. This leads to an uneven distribution of lakes in the northern and southern polar regions.

SourceCalifornia Institute of Technology·JournalNature Geoscience·DateNov 29, 2009
Apple iPhone 17 Pro

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

New study finds men and women may respond differently to danger

A recent study using fMRI found that men tend to process emotional stimuli in terms of required action, while women focus on the feelings engendered by these stimuli. Women showed stronger activation in the left thalamus when viewing negative images, indicating a stronger neural circuit for identification of emotional stimuli.

SourceRadiological Society of North America·DateNov 29, 2009

Europe's device therapy use for heart failure doubles 2004-2008, some countries have low uptake

The use of implantable devices for treating heart failure increased substantially in Europe between 2004-2008, but disparities in device adoption remain. Device therapy, including ICDs and CRT, has gained acceptance as an adjunct to traditional drug treatment, with significant benefits in reducing mortality and morbidity.

SourceEuropean Society of Cardiology·JournalEuropean Journal of Heart Failure·DateNov 29, 2009

Scientists get up close to bacteria's toxic pumps

Researchers are gaining insights into how Gram-negative bacteria infect host cells and spread antibiotic resistance. The crystal structure of the outer membrane part of type IV secretion systems has been revealed, offering potential targets for novel antibiotics.

SourceWellcome Trust·JournalNature·DateNov 29, 2009
Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Deciding to have a baby is an easier step for public sector workers

A study by Dr. Tiziana Nazio found that public sector workers are more likely to have children due to the relative security of employment, flexible hours, and career progression linked to seniority. In contrast, men's careers do not directly influence their decision to have children, but rather the pattern of women's careers and househ...

SourceEconomic & Social Research Council·DateNov 29, 2009

Study shows new brain connections form rapidly during motor learning

Researchers at the University of California, Santa Cruz, found that new brain connections form quickly within one hour of training, leading to long-lasting memories. The study used mice with genetically altered fluorescent proteins to visualize changes in individual brain cells.

SourceUniversity of California - Santa Cruz·JournalNature·DateNov 29, 2009