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Science News for March 9, 2005


AGU journal highlights - 9 March 2005

Researchers improved hurricane prediction using high-resolution general circulation models, predicting the course of four storms with increased accuracy. A new study found that solar emissions likely control Jupiter's X-ray emissions, providing a potential proxy for monitoring flares invisible to space weather satellites.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateMar 9, 2005

Colour profile exposes stolen gems

Researchers use microspectrometry to map the unique color patterns of individual gems, revealing differences even among same-type stones. This technique could provide valuable information for gemstone authentication and potential recovery of stolen stones.

Breakthrough in medical research: New chemotherapy gives hope to brain tumour patients

A new chemotherapy combination has shown significant improvement in survival rates for brain tumour patients, with almost half of those with an inactivated MGMT gene surviving after 2 years. The treatment also did not negatively impact patients' quality of life, offering a promising breakthrough in glioblastoma treatment.

SourceEuropean Organisation for Research and Treatment of Cancer·JournalNew England Journal of Medicine·DateMar 9, 2005

Canada's shrinking ice caps

Researchers have found that Canada's Arctic ice caps and glaciers are thinning at lower elevations due to increased melting. The study suggests that these changes contribute significantly to global sea level rise, with an estimated 0.065 millimeters per year added to sea levels during the 1995-2000 period.

3D animation gives evidence more bite

Forensic bite-mark matching has been criticized due to its fallibility and distortion problems. A new approach using 3D imaging has shown promise in improving accuracy, but with a 15% chance of incorrect matches. The technology could be useful in courtrooms for illustrating the likelihood of a match.