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Science News for November 28, 2002


Rice deciphers optical spectra of carbon nanotubes

Researchers at Rice University have precisely identified the optical signatures of 33 'species' of light-emitting carbon nanotubes, revolutionizing the field of nanotechnology. This breakthrough enables chemists to measure nanotubes using simple and faster methods, accelerating research in this rapidly evolving field.

SourceRice University·JournalScience·DateNov 28, 2002

New treatment option for children with cholera

A new study has identified azithromycin as an effective single-dose antibiotic treatment for children with cholera, reducing diarrhoea duration by 24 hours compared to erythromycin. However, the high cost of azithromycin may limit its widespread adoption in treating childhood cholera.

SourceThe Lancet_DELETED·JournalThe Lancet·DateNov 28, 2002

Examining a disease decimating global potato yields

Potato late blight, a mutated funguslike pathogen, is affecting global potato production, causing brownish lesions that turn healthy plants into mush. The disease has spread globally, with Russia experiencing devastating yields, and experts warn of dire consequences for food security.

SourceCornell University·JournalScience·DateNov 28, 2002

New thoughts on evolution arise from UH yeast study

Researchers observed rapid creation of new species by mating two separate yeast species, shedding light on the evolution process and suggesting potential ways to improve biotechnology and fermentation processes. The findings extend the range of known mechanisms causing reproductive isolation.

SourceUniversity of Houston·JournalScience·DateNov 28, 2002
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

New approach for treating asthma

Researchers found that normalizing induced sputum eosinophil count reduces asthma exacerbations by 63% and severe asthma attacks by 67%. The strategy has implications for regular monitoring of airway inflammation to treat moderate to severe asthma.

SourceThe Lancet_DELETED·JournalThe Lancet·DateNov 28, 2002
Apple iPhone 17 Pro

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

Suicide in China – Underlying risk factors similar to western countries

Research in China identifies eight significant risk factors for suicide, including depression, previous attempts, and chronic stress. The study suggests that focusing on individual risk factors may not be effective in reducing suicide rates, emphasizing the importance of a multi-factor approach to prevention.

SourceThe Lancet_DELETED·JournalThe Lancet·DateNov 28, 2002

The Sirente crater field: The first impact crater in Italy

The Sirente crater field is the world's first known impact crater in Italy, dated between the 4th and 5th century A.D. The crater features fine-grained lacustrine sediments and a well-preserved structure due to its young age.

SourceInternational Research School of Planetary Sciences·DateNov 28, 2002