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Science News for December 6, 2006


Breakthrough in magnetic devices could make computers more powerful

Researchers have developed a way to precisely control magnetic fields in thin magnetic films, enabling the storage of information in permanent memory. The new technology allows for faster and more efficient data storage, overcoming the limitations of current hard drive technology.

SourceUniversity of Bath·JournalPhysical Review Letters·DateDec 6, 2006

Planning for surge of disaster victims? Discharge the healthiest from every hospital, experts advise

A nationwide panel recommends ranking hospitalized patients by their risk level and assigning a score-based system to make decisions about discharging or transferring patients in emergency situations. This approach could safely empty 70% of hospital beds within 72 hours, improving resource allocation and patient care during disasters.

SourceJohns Hopkins Medicine·JournalThe Lancet·DateDec 6, 2006
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.

Treatment discovered for deadly childhood disease

A year-long study found that enzyme replacement therapy reduced the risk of death in children with Pompe disease by 99 percent. The treatment, which involves replacing the deficient enzyme acid a-glucosidase, was shown to improve respiratory performance and reduce the need for ventilators.

SourceAmerican Academy of Neurology·JournalNeurology·DateDec 6, 2006

Origin of inherited pain disorder pinpointed

Researchers pinpointed paroxysmal extreme pain disorder (PEPD) to specific porelike sodium channels in peripheral nerve cells, highlighting the role of such channel disorders in inflammatory pain. Mutations in SCN9A gene were found to be responsible for at least two-thirds of PEPD cases.

SourceCell Press·JournalNeuron·DateDec 6, 2006

Protein's tail may be flu virus's achilles heel

Researchers at Rice University and UT Austin have identified a promising antiviral drug target in the long, flexible tail of the nucleoprotein protein. Minor changes to this region prevent the protein from fulfilling its role in structural columns that transmit viral copies.

SourceRice University·JournalNature·DateDec 6, 2006

Researchers learn from analyses of rare tsunami earthquake

Analyses of a classic, slow-rupturing tsunami earthquake have provided insight into seismologists and engineers. The data revealed a secondary underwater movement that amplified the original tsunami, creating a wave run-up of over 60 feet along a one-mile section of coastline.

SourceGeorgia Institute of Technology·DateDec 6, 2006

All itches not created equal -- Different parts of brain activated depending on cause

Researchers found that different parts of the brain are activated depending on the cause of itching, with allergen-induced itches activating the supplementary motor and posterior parietal areas. Histamine-induced itches, on the other hand, activate a smaller area of the brain, suggesting a compulsion to scratch in those cases.

SourceAmerican Physiological Society·JournalJournal of Neurophysiology·DateDec 6, 2006
Apple iPhone 17 Pro

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

Don't move a muscle: Evolutionary insight into myogenesis

Researchers detail transcription network driving muscle development in C. elegans and propose evolutionary conserved program across animals. Three transcription factors redundantly control body wall muscle development in worms, with corresponding vertebrate factors playing key roles in myogenesis.

SourceCold Spring Harbor Laboratory·JournalGenes & Development·DateDec 6, 2006

Global warming will reduce ocean productivity, marine life

A 10-year satellite-based analysis found that global warming reduces marine life and phytoplankton production, which removes carbon dioxide from the atmosphere and fuels ocean ecosystems. This study reveals a tight link between climate change and ocean productivity, highlighting the importance of understanding this feedback mechanism.

SourceOregon State University·JournalNature·DateDec 6, 2006
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

'Stranger danger' threat and lack of green spaces put kids off walking

Research in Birmingham, UK found that children who walked less were more likely to worry about strangers, lack of local parks, and prefer car travel. Higher walking levels correlated with perceptions of heavy traffic, yet these views didn't deter kids from walking.

SourceBMJ Specialty Journals·JournalArchives of Disease in Childhood·DateDec 6, 2006

Study looks at effects of national trauma on Americans' health

A longitudinal US study explores how individuals respond to national trauma and their long-term health outcomes. The research found that people's initial emotional response to a disaster, their approach to coping with the trauma, and their demographic background significantly impacted their health over time.

SourceUniversity at Buffalo·JournalBasic and Applied Social Psychology·DateDec 6, 2006

Psychologist to study how we put stress into words

A new project led by Dr Padraic Monaghan will investigate the mechanism of language processing that determines stress in words, potentially aiding the treatment of reading difficulties and second language learning. The research may also provide insights into neurological representations of language and recovery following brain injury.

SourceUniversity of York·DateDec 6, 2006
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.

Hotspots or not? Isotopes score one for traditional theory

A recent study in Nature supports the traditional theory of mantle plumes as the source of volcanic islands. Researchers found a close correlation between modeled and observed ratios of uranium-series isotopes across eight island locations, allowing them to estimate changes in temperature, speed, and size of mantle plumes.

SourceBrown University·JournalNature·DateDec 6, 2006

Brown scientists map structure of DNA-doctoring protein complex

Researchers at Brown University have solved the structure of a DNA-protein complex that aids in site-specific recombination, a process that allows mobile DNA to cut into chromosomes. The discovery provides new insights into how this process shapes species over time and its role in spreading antibiotic resistance and certain diseases.

SourceBrown University·JournalMolecular Cell·DateDec 6, 2006

Tracing the formation of long-term memory

A team of researchers from Baylor College of Medicine has found a key component in the formation of long-term memory in fruit flies. The study showed that increased calcium influx into mushroom body neurons parallels the creation of new synapses associated with long-term memory, and can be blocked by specific laboratory techniques.

SourceBaylor College of Medicine·JournalNeuron·DateDec 6, 2006
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Scientists learning to create nanomaterials based on micro-algae patterns

Researchers are studying how unicellular micro-algae, known as diatoms, create complex cell walls and aim to learn from their intricate micro-architectures. Genetic engineering of diatoms using microparticle bombardment enables the insertion of mutated or foreign genes into the genome, potentially leading to novel silica nanostructures.

SourceGeorgia Institute of Technology·DateDec 6, 2006

Factors affecting kernel yield in maize

Research reveals two isoforms of glutamine synthetase determine major yield components in maize: kernel size and number. Nitrogen retranslocation dominates grain filling, improving nitrogen use efficiency and yields with reduced fertilizer inputs.

SourceAmerican Society of Plant Biologists·JournalThe Plant Cell·DateDec 6, 2006

No matter their size black holes 'feed' in the same way

Astronomers found that black holes of all sizes follow the same 'feeding' process, with characteristic timescales changing linearly with mass and inversely with accretion rate. This discovery helps determine black hole masses in hard-to-reach cases.

SourceScience and Technology Facilities Council·JournalNature·DateDec 6, 2006

Elusive rust resistance genes located

Researchers have identified a DNA marker that is 99% effective in flagging the presence of Lr34 and Yr18 rust resistance genes. This breakthrough enables breeders to quickly test seedlings for these genes, allowing them to incorporate durable rust resistance into new wheat varieties.

SourceCSIRO Australia·DateDec 6, 2006
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.

Top awards go to Williams College physics professor William Wootters

Professor Wootters was awarded the International Quantum Communications Award and the APS Prize to a Faculty Member for Research in an Undergraduate Institution. His research on quantum teleportation has been widely cited, and he is recognized for his engagement of undergraduate students in physics research.

SourceWilliams College·DateDec 6, 2006

Smokers risk more painful and progressive osteoarthritis

A recent study published in Annals of the Rheumatic Diseases found that smokers are more likely to experience severe cartilage loss and knee pain due to osteoarthritis. Smokers were also significantly more likely to report greater pain severity than non-smokers.

SourceBMJ Specialty Journals·JournalAnnals of the Rheumatic Diseases·DateDec 6, 2006
Meta Quest 3 512GB

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

Prescribing information for kidney disease far too vague

Chronic kidney disease affects a significant portion of the UK population, particularly elderly individuals taking multiple medications. Healthcare professionals require specific guidance on using drugs that can cause or be altered by kidney disease, as 'use with caution' advice is often insufficient.

SourceBMJ Specialty Journals·JournalDrug and Therapeutics Bulletin·DateDec 6, 2006

Brain wave changes in adolescence signal reorganization of the brain

Research suggests that adolescent brain maturation is associated with synaptic pruning, a process that eliminates weak connections between neurons. Delta wave activity declines during adolescence, beginning at around age 11, with a 25% decrease by age 14, and is related to age but not physical growth or sexual maturation.

SourceAmerican Physiological Society·DateDec 6, 2006

Two-slice-touch rule reliable when diagnosing meniscal tears

A study by the University of Wisconsin Medical School and Hospital found that the two-slice-touch rule increases the accuracy of diagnosing meniscal tears. The positive predictive value for diagnosing a meniscal tear increased from 91% to 94%, making it a reliable tool for diagnosis.

SourceAmerican College of Radiology·JournalAmerican Journal of Roentgenology·DateDec 6, 2006

Structure essential for brain remodeling identified

The study found that recycling endosomes transport cargo needed to grow new synapses, leading to advances in understanding Alzheimer's disease, autism, and age-related memory loss. The discovery may lead to potential treatments for these conditions by targeting critical cellular processes.

SourceDuke University Medical Center·JournalNeuron·DateDec 6, 2006
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Immigrants of a feather don't necessarily flock together

A new study reveals that immigrants' neighborhood choices are largely determined by their partners, contradicting the traditional notion of clustering with countrymen. The research found that those who partner outside their native group are less likely to live near their countrymen.

SourceUniversity of Washington·JournalUrban Geography·DateDec 6, 2006

Study in the Journal of Clinical Pharmacology

A recent study published in The Journal of Clinical Pharmacology found that palifermin clearance and tolerability are not affected by renal function. No dose adjustment is indicated for patients with impaired kidney function, allowing the drug to be used without restrictions.

SourceSAGE·JournalThe Journal of Clinical Pharmacology·DateDec 6, 2006

5-year study shows Gleevec's potency against chronic myeloid leukemia

A five-year study has shown that Gleevec's potency against chronic myeloid leukemia, with only 5% of patients dying from the disease during the study period. The drug produced few significant side effects, particularly after the initial two years of treatment.

SourceHoward Hughes Medical Institute·JournalNew England Journal of Medicine·DateDec 6, 2006

Changes in brain density can help predict schizophrenia

A study found that monitoring grey matter density over time using brain scans could help early detection of individuals at risk for schizophrenia. The results showed a correlation between reduced grey matter density and increased risk of developing the condition.

SourceBMC (BioMed Central)·JournalBMC Medicine·DateDec 6, 2006
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

NASA research reveals climate warming reduces ocean food supply

A NASA study reveals that climate warming leads to a decline in ocean's primary food supply, phytoplankton, which is responsible for photosynthesis. This reduction affects fishery yields, marine bird populations, and carbon dioxide removal from the atmosphere.

SourceNASA/Goddard Space Flight Center·JournalNature·DateDec 6, 2006

Blame our evolutionary risk of cancer on body mass

Scientists discovered that higher body mass, not lifespan, increases the risk of cancer due to telomerase expression. Rodents from various species showed a correlation between body size and telomerase activity, while human's don't express it in somatic cells, suggesting evolution prioritized cancer prevention over healing.

SourceUniversity of Rochester·JournalAging Cell·DateDec 6, 2006

'Diabetes gene' may be linked to polycystic ovary syndrome

A new study found a genetic link between the 'diabetes gene' (calpain-10) and polycystic ovary syndrome (PCOS), which affects up to five percent of females. The study suggests that specific variants of the CAPN10 gene may contribute to PCOS susceptibility, providing hope for diagnosis and treatment.

SourceAmerican Physiological Society·DateDec 6, 2006

Magnetic whirlpools feed Earth's magnetosphere

Researchers have discovered that giant whirlpools of electrically charged gas above the Earth inject electrified gas into the planet's magnetic environment. The whirlpools, known as Kelvin-Helmholtz instabilities, cause magnetic reconnection events that redirect plasma along new routes.

SourceEuropean Space Agency·JournalAnnales Geophysicae·DateDec 6, 2006
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.

Functional brain imaging insights from UC San Diego grad student

A recent UCSD graduate has won an award for his work on human functional brain imaging, specifically analyzing competing Bayesian approaches for source localization. His research may lead to improvements in existing algorithms used in magnetoencephalography (MEG) and electroencephalography (EEG) techniques.

SourceUniversity of California - San Diego·DateDec 6, 2006

Rochester study rolls out RU-486 to treat uterine fibroids

A University of Rochester study published in Obstetrics and Gynecology journal found that low doses of mifepristone shrink uterine fibroid tumors and greatly improve the quality of life in women who suffer from pain and heavy bleeding. The treatment resulted in a 135% improvement in quality of life for women taking mifepristone compare...

SourceUniversity of Rochester Medical Center·JournalObstetrics and Gynecology·DateDec 6, 2006

Juries reluctant to convict in rape cases in which alcohol involved

Juries are more likely to acquit defendants in rape cases where the victim was intoxicated, even if they were spiked with date rape drugs. The research found that jurors often relied on stereotypes and misunderstood the effects of Rohypnol, leading to inadequate convictions.

SourceEconomic & Social Research Council·DateDec 6, 2006