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Science News for November 3, 2005


Dyslexia: risk gene is identified

A German-Swedish team has identified a single gene, DCDC2, as an important factor in the emergence of dyslexia. The gene appears to affect the migration of nerve cells in the developing brain, with frequent changes found among dyslexics.

SourceUniversity of Bonn·JournalAmerican Journal of Human Genetics·DateNov 3, 2005
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

New drug could substantially reduce deaths from heart attack

A new drug, clopidogrel, has been shown to significantly reduce deaths from heart attacks, with a 9% decrease in mortality rates compared to placebo. The treatment also resulted in a 14% reduction in repeat heart attacks during the study period, highlighting its potential to save thousands of lives each year.

SourceThe Lancet_DELETED·JournalThe Lancet·DateNov 3, 2005

New study uncovers major inaccuracies in global wildlife trade monitoring

A new study by Conservation International and WWF reveals significant discrepancies between CITES and US Customs data on international wildlife trade, with figures varying wildly from 5,200 percent. The study identifies widespread errors and inefficiencies in recordkeeping, hindering effective conservation efforts.

SourceConservation International·JournalConservation Biology·DateNov 3, 2005

Odd energy mechanism in bacteria analyzed

Researchers at Oregon State University have cultured SAR11 bacteria in a lab to study its unique 'proteorhodopsin' gene. The findings suggest that this gene may serve as an auxiliary energy system for the cells when faced with starvation, benefiting ocean life.

SourceOregon State University·JournalNature·DateNov 3, 2005

Tryptophan no turkey in boosting immune system, Stanford study shows

A Stanford study finds that certain tryptophan metabolites can alleviate symptoms of multiple sclerosis, a condition affecting over 2.5 million people worldwide. The research suggests that diet and immunity are linked, with tryptophan playing a pivotal role in immune system regulation.

SourceStanford Medicine·JournalScience·DateNov 3, 2005

UCR environmental scientists propose chemical solution to cleaning California's Salton Sea

Researchers found that alum and polyacrylamide were highly effective in removing dissolved phosphorus and suspended sediment in river waters entering the lake. This treatment could help meet California's growing population needs, support commercial growth, and develop the region as a water-sports recreational area.

SourceUniversity of California - Riverside·JournalJournal of Environmental Quality·DateNov 3, 2005
Apple iPhone 17 Pro

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

New and sharper X-rays of cell's ribosome could lead to better antibiotics

Scientists have captured high-resolution snapshots of the bacterial ribosome, allowing them to build more detailed models and gain insights into how specific antibiotics work. The new data reveals the ribosome's structure and function during protein manufacturing, including its ability to withstand stress and neutralize negative charge.

SourceUniversity of California - Berkeley·JournalScience·DateNov 3, 2005

Department of Energy grants fuel hydrogen research at UGA

Researchers aim to mass produce technologies for consumer market, focusing on fundamental research and nanofabrication techniques to improve hydrogen storage and generation from solar cells. The grants are part of a $64 million DOE initiative aiming to make vehicles powered by hydrogen fuel cells available and affordable by 2020.

SourceUniversity of Georgia·DateNov 3, 2005

New findings help explain how brain pathways control body weight

Researchers discovered divergent neuronal pathways at the melanocortin-4 receptor (MC4R), controlling food intake and energy expenditure. The study provides new insights into the intricate process of maintaining stable body weight, with potential implications for obesity treatment.

SourceBeth Israel Deaconess Medical Center·JournalCell·DateNov 3, 2005

Insect pheromone research wins Eppendorf/Science prize

Three finalists, Pingxi Xu, Justin Blau, Paul Frankland, and Johanna Montgomery, have made significant contributions to understanding insect behavior through pheromone signaling. Their research has the potential to develop sustainable methods of pest control and improve human health by preventing disease.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateNov 3, 2005
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Scientists crack code for motor neuron wiring

Researchers mapped Hox protein expression patterns to understand motor neuron wiring and diversification. The code governs columnar, divisional, and pool identities, enabling precise connections between neurons and muscles.

SourceHoward Hughes Medical Institute·JournalCell·DateNov 3, 2005

Scientists show how thinking can harm brain cells

Researchers have discovered that inflammation in the brain can cause toxic nerve impulses that inflict injury on neurons and disrupt function. Chemical preconditioning, induced by small amounts of stress, may be able to prevent this damage and preserve neurologic function, offering a new path for treating neurodegenerative diseases.

SourceUniversity of Rochester Medical Center·JournalJournal of Clinical Investigation·DateNov 3, 2005

Making medicine 'smarter'

Anke Meyer-Baese is developing computer software to mimic the way a radiologist analyzes all of that information -- and to do it better and faster. The goal is to provide doctors with a new tool to better diagnose breast cancer using MRI technology, which holds promise in detecting hard-to-find cases.

SourceFlorida State University·DateNov 3, 2005

New sensor based on human organ is no tin ear

Researchers have developed a new sensor based on a human organ that can detect specific frequencies of sound waves. The device, which is a microelectromechanical system, has three main benefits over existing artificial cochlea designs: mass production potential, comparable size, and efficiency.

SourceU.S. National Science Foundation·DateNov 3, 2005
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Measure of obesity should be redefined to accurately assess heart attack risk

A recent study found that waist-to-hip ratio is a stronger predictor of heart attack than BMI in diverse ethnic populations. The researchers discovered that larger waist size was harmful, while larger hip size was protective, leading to substantial reassessment of obesity's importance for cardiovascular disease worldwide.

SourceThe Lancet_DELETED·JournalThe Lancet·DateNov 3, 2005

Five questions that need to be addressed at international flu meeting

The Geneva summit aims to address critical issues in preventing the spread of H5N1 influenza, including early detection of new clusters, effective surveillance systems, and strategies to avoid resistance to antivirals. The event seeks to promote global cooperation and coordination in addressing this pandemic threat.

SourceThe Lancet_DELETED·JournalThe Lancet·DateNov 3, 2005

Technique offers new view of dynamic biological landscape

E-MAP technique enables researchers to analyze epistatic interactions between genes in a systematic way, revealing new insights into protein functions and evolutionary processes. By quantifying the effects of interacting mutant genes, E-MAPs help optimize drug treatments and improve our understanding of biological systems.

SourceHoward Hughes Medical Institute·JournalCell·DateNov 3, 2005
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Yale scientists confirm how crystals form

Researchers at Yale University have devised a way to predict the microstructure of crystals as they form in materials. This new method enables the estimation of grain size and subsequent material properties dependent on microstructure, opening up possibilities for tailoring material characteristics.

SourceYale University·JournalApplied Physics Letters·DateNov 3, 2005

Twin molecular scissors link creation of microRNAs with gene-silencing

A new study published in Cell identifies RISC as a three-protein complex responsible for microRNA production and specificity in gene silencing. The complex, consisting of Dicer, Argonaute 2, and TRBP enzymes, oversees the creation of microRNAs and guides them to target specific messenger RNAs.

SourceThe Wistar Institute·JournalCell·DateNov 3, 2005
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Latin America has high prevelance of lung diseases

A study found that Chronic Obstructive Pulmonary Disease (COPD) affects around 1,000 people in Latin American cities. The disease prevalence varies greatly between cities, with rates ranging from 7.8% to 20%. Altitude is a key factor contributing to the high COPD rates in Latin America.

SourceThe Lancet_DELETED·JournalThe Lancet·DateNov 3, 2005

Ultrasound – a diagnostic tool for space, sports and more

Researchers at NSBRI have developed an ultrasound training method that reduces learning time to two-to-three hours a year. The program uses computer-based instruction and remote guidance to enable non-physicians to assess and manage emergency medical conditions in space, sports, and emergency response situations.

SourceNational Space Biomedical Research Institute·DateNov 3, 2005

Solving the mystery of the Tibetan Plateau

Researchers have discovered a unique layer of molten rocks beneath the Tibetan Plateau, explaining its massive rise over millions of years. The study also reveals that this geological makeup is typical of the entire Himalayan range, not just Tibet.

SourceUniversity of Alberta·JournalNature·DateNov 3, 2005
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Compound in wine reduces levels of Alzheimer's disease-causing peptides

Researchers found that resveratrol, a compound in red wine, significantly reduces amyloid-beta peptide levels in cells. The compound is believed to stimulate the degradation of these peptides by the proteasome, a multi-protein complex. However, it remains unclear whether eating grapes can effectively prevent Alzheimer's disease.

SourceAmerican Society for Biochemistry and Molecular Biology·JournalJournal of Biological Chemistry·DateNov 3, 2005

Carbon nanotube membranes allow super-fast fluid flow

Researchers at the University of Kentucky developed carbon nanotube membranes that allow for fast transit approaching the speed of biological channels. The membranes' scalable fabrication enables industrially useful chemical separations.

SourceUniversity of Kentucky·JournalNature·DateNov 3, 2005

Wild birds help to create human flu vaccine

Wildlife Conservation Society's field vets collected samples from hundreds of wild birds affected by H5N1 strain, helping to develop a human pandemic influenza vaccine. The collaboration highlights the importance of protecting wildlife diversity and monitoring their health for potential benefits to humankind.

SourceWildlife Conservation Society·DateNov 3, 2005

Gene expression profile helps predict chemotherapy response in ovarian cancer patients

Researchers developed a genetic profile of ovarian cancer that predicts survival and identifies key genes involved in chemotherapy response. The study used microarray analysis to identify a gene expression profile known as the Chemotherapy Response Profile, which confirms the importance of genes such as BAX.

SourceBeth Israel Deaconess Medical Center·JournalJournal of Clinical Oncology·DateNov 3, 2005

Anti-aging hormone reduces reactive oxygen species

Researchers discovered Klotho protein increases cell resistance to oxidative stress by detoxifying harmful reactive oxygen species. This finding may lead to the development of anti-aging drugs, potentially useful as medicines.

SourceAmerican Society for Biochemistry and Molecular Biology·JournalJournal of Biological Chemistry·DateNov 3, 2005
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.