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Science News for December 3, 2009


A window that washes itself?

A breakthrough in assembling peptides at the nano-scale level could lead to self-cleaning coatings for windows and solar panels. The material can also boost electric battery capacity, potentially solving limitations like thrust.

SourceAmerican Friends of Tel Aviv University·JournalNature Nanotechnology·DateDec 3, 2009

Species down, disease up

New research suggests that biodiversity loss and habitat destruction can increase the incidence and distribution of infectious diseases in humans. Studies show that extinction of plant and animal species can lead to a rise in new diseases, such as West Nile Virus, and even re-emergence of diseases thought to be in decline, like malaria.

SourceUniversity of Vermont·JournalBioScience·DateDec 3, 2009
Apple iPhone 17 Pro

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

Research on the molecular basis of body size

Michael Crickmore's prize-winning essay describes his research on the molecular basis of size differences in animals. He found that a delicate balance of size-regulating genes and signaling pathways control tissue development and shape specialized cells.

SourceAmerican Association for the Advancement of Science (AAAS)·DateDec 3, 2009

Lifelong memories linked to stable nerve connections

Researchers discovered that the brain integrates new information by forming and eliminating neural connections, maintaining a balance between old and new memories. This dynamic process allows humans to learn and adapt without losing existing memories.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalNature·DateDec 3, 2009

CWRU researchers report poor outcomes for CCI patients leaving hospitals on ventilators

A recent study by Case Western Reserve University researchers found that CCI patients who leave hospitals on ventilators have poor outcomes, with only a small percentage achieving 'better' outcomes. The study suggests that knowledge of these outcomes is crucial for ICU clinicians and families in care planning and decision-making.

SourceCase Western Reserve University·JournalAmerican Journal of Critical Care·DateDec 3, 2009

Grooving down the helix

Researchers discovered that proteins locate genetic information in DNA by sliding down the double helix, like traveling along a screw. This finding validates a recent theory and could lead to new ways to alter DNA-binding protein behavior.

SourceDOE/Brookhaven National Laboratory·JournalNature Structural & Molecular Biology·DateDec 3, 2009
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

U of M researchers discover how a brain hormone controls insect metamorphosis

Researchers at the University of Minnesota have discovered how a brain hormone controls insect metamorphosis, allowing scientists to develop new and more environmentally safe ways to control agricultural pests. The study sheds light on human development as well, as both puberty and metamorphosis involve similar biological processes.

SourceUniversity of Minnesota·JournalScience·DateDec 3, 2009

Scientists map deep origins of the 'Hawaiian Hotspot'

Researchers have mapped the deep origins of the Hawaiian Hotspot using a large network of sea-floor seismometers. The study provides strong support for the existence of a mantle plume beneath Hawaii, with implications for the Earth's composition and evolution over time.

SourceUniversity of Hawaii at Manoa·JournalScience·DateDec 3, 2009

Study links real-time data to flu vaccine strategies

Researchers found that targeting young adults between 20-59 years for vaccinations could help mitigate the impact of ongoing pandemic waves, resulting in a 37% reduction in hospitalizations and 42% reduction in deaths. The study's adaptive strategy was effective in reducing influenza-related deaths by 35% when compared to traditional s...

SourceArizona State University·JournalPLOS ONE·DateDec 3, 2009
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.

January-February 2010 GSA Bulletin highlights

The January-February 2010 GSA Bulletin features studies on the kinematic evolution of curved mountain belts, including a paleomagnetic study of the Sevier thrust belt. The issue also covers the Sudbury impact crater in Michigan, USA, and GIS assessments of post-fire debris-flow hazards in central Idaho.

SourceGeological Society of America·JournalGeological Society of America Bulletin·DateDec 3, 2009

2 heads better than 1 in new antibiotic method

Researchers have discovered a novel way to target bacterial DNA gyrase, an essential enzyme for bacterial survival and growth. The new antibiotic molecule, simocyclinone D8 (SD8), uses two heads to bind to the enzyme, making it 100 times more potent than single-headed versions.

SourceNorwich BioScience Institutes·JournalScience·DateDec 3, 2009

CO2 levels rising in troposphere over rural areas

Researchers from the University of Valladolid have measured CO2 levels in a rural area near Valladolid, finding significant increases between 2002 and 2005. The study reveals an annual increase of 3 ppm, highlighting the impact of emissions and atmospheric conditions on carbon dioxide levels.

SourceSpanish Foundation for Science and Technology·JournalTheoretical and Applied Climatology·DateDec 3, 2009
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.

Green tea chemical combined with another may hold promise for treatment of brain disorders

Scientists at Boston Biomedical Research Institute discovered that combining EGCG and DAPH-12 can prevent and destroy various protein structures known as amyloids, which are primary culprits in fatal brain disorders. The study may contribute to future therapies for Alzheimer's, Huntington's, and Parkinson's diseases.

SourceBoston Biomedical Research Institute·JournalNature Chemical Biology·DateDec 3, 2009

The big blow-up

Researchers discover supernova that fits predictions for a star hundreds of times the sun's mass, revealing new insights into star formation and heavy metal creation. The study also suggests hyper-giant stars may exist beyond 150 suns, challenging our understanding of celestial physics.

SourceWeizmann Institute of Science·JournalNature·DateDec 3, 2009
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Muhammad Ali Parkinson Center launches new research trial

Researchers at the Muhammad Ali Parkinson Center are conducting a study to determine if simple exercise can help protect neurons in the brain from Parkinson's disease. Participants will follow a structured exercise program called pole-striding, which involves walking with ski-like poles, for 12 weeks.

SourceSt. Joseph's Hospital and Medical Center·DateDec 3, 2009

Team using Subaru Telescope makes major discovery

An international team of scientists has made the first direct observation of a planet-like object orbiting a star similar to the sun. The object, GJ 758 B, is estimated to be 10-40 times as massive as Jupiter and orbits its star at a distance of approximately 300 trillion miles.

SourcePrinceton University·JournalThe Astrophysical Journal Letters·DateDec 3, 2009

Poisonous Poisson

A recent study by Jeremy Wright has catalogued the presence of venom glands in 158 catfish species, suggesting that at least 1250 and possibly over 1600 species may be venomous. Catfish venoms are neurotoxic and hemolytic, causing severe pain, muscle spasm, and respiratory distress.

SourceBMC (BioMed Central)·JournalBMC Evolutionary Biology·DateDec 3, 2009
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Turbulence around heat transport

Scientists have discovered that extremely strong turbulent convection can lead to two distinct states of heat transport, defying the previously established law. The researchers found an exponential increase in heat transport that decreases by a power of two as the turbulence strengthens.

SourceMax-Planck-Gesellschaft·JournalNew Journal of Physics·DateDec 3, 2009

Forest deal at Copenhagen must avoid creating 'carbon refugees'

A new study published in Nature suggests that accurate monitoring of carbon stored in drier tropical forests requires data from local communities. The researchers propose that at least 50% of REDD payments should be made directly to forest dwellers, ensuring their property rights and means of subsistence are protected.

SourceUniversity of Leeds·JournalNature·DateDec 3, 2009

Papillomavirus silences innate immune response

Research reveals that HPV16 oncoprotein silences the production of interferon-kappa, a key protein in the innate immune response. This allows cancer cells to grow unchecked, highlighting a potential new target for cancer treatment. The study provides insight into the mechanisms by which high-risk HPV types cause cervical cancer.

SourceHelmholtz Association·JournalCancer Research·DateDec 3, 2009

Parents gone wild? Study suggests link between working memory and reactive parenting

A study by Kirby Deater-Deckard et al. found that mothers with poorer working memory skills were more prone to reactive negativity towards their children, leading to increased child abuse and adverse behavior. The research suggests that enhancing working memory skills in parents can lead to improved parenting outcomes.

SourceAssociation for Psychological Science·JournalPsychological Science·DateDec 3, 2009
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.

Elevated CO2 levels may mitigate losses of biodiversity from nitrogen pollution

A University of Minnesota study found that elevated CO2 levels can reduce species richness by 16 percent under ambient conditions, but this effect is halved when more CO2 is added. The interaction between CO2 and nitrogen enrichment ameliorates biodiversity loss, offering relief in the fight against environmental degradation

SourceUniversity of Minnesota·JournalScience·DateDec 3, 2009

Mice holding back muscular dystrophy research

Researchers found that mice lack two key features of a critical DMD gene, hindering the use of mice as primary models for studying DMD. The findings indicate that mouse models are particularly poor at replicating brain effects of DMD, which could limit understanding of the disease's mechanisms.

SourceBMC (BioMed Central)·JournalBMC Biology·DateDec 3, 2009

Prasad honored with Pride of India Award

M.G. Prasad, a professor at Stevens Institute of Technology, received the Bharat Gaurav Award for his work in noise and vibration control. The award recognizes his efforts to inspire others towards remarkable achievement and promote global participation in India's economic development.

SourceStevens Institute of Technology·DateDec 3, 2009
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Transplant infectious disease experts provide pandemic guidance

The article discusses the impact of the H1N1 pandemic on solid organ transplant patients and donors. Experts recommend testing for influenza-like illnesses, empiric antiviral therapy, and vaccination with at least one dose of H1N1 vaccine to prevent transmission and severe disease.

SourceWiley·JournalAmerican Journal of Transplantation·DateDec 3, 2009

Birds call to warn friends and enemies

Researchers at UC Davis studied birds' alarm calls to determine their purpose. The findings suggest that these vocalizations serve both to alert other birds to danger and to warn off predators.

SourceUniversity of California - Davis·DateDec 3, 2009

Understanding DNA repair and cancer

Researchers found that proliferating cell nuclear antigen plays a key role in copying and repairing DNA, which helps cancer cells resist radiation and chemotherapy. The study's findings could lead to new ways to make tumors more vulnerable to treatment or predict patient outcomes.

SourceUniversity of California - Davis·JournalMolecular Cell·DateDec 3, 2009

Researchers identify gene that spurs deadly brain cancer

Atoh1, a transcription factor critical for fetal development, is necessary for the development of many forms of medulloblastoma. Shutting down Atoh1 in susceptible brain cells prevented medulloblastoma from developing in mice, suggesting it as a potential target for new drug treatments.

SourceHoward Hughes Medical Institute·JournalScience·DateDec 3, 2009
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.

Movies promote smoking among Mexican-American adolescents

A three-year study of 1,286 Mexican-American adolescents found that those exposed to up to 600 smoking scenes in R-rated movies were nearly 30% more likely to experiment with smoking. For youths born in Mexico, the effect was even stronger, with fewer than 10% of experimenters among those with little or no exposure.

SourceUniversity of Texas M. D. Anderson Cancer Center·DateDec 3, 2009

No change in brain tumor incidence during a time when cell phone usage increased

A recent study published in the Journal of the National Cancer Institute found no significant link between increased cell phone usage and brain tumor incidence. The research analyzed data from Denmark, Finland, Norway, and Sweden over a 30-year period, concluding that induction periods may be longer than previously thought.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateDec 3, 2009

Personality predicts success in medical school, says new study by U of Minnesota professor

A new study published in the Journal of Applied Psychology found that personality characteristics play a significant role in determining who succeeds in medical school. Conscientious individuals tend to excel in early years, while extraverted students perform better in later years as interpersonal skills become more important.

SourceUniversity of Minnesota·JournalJournal of Applied Psychology·DateDec 3, 2009
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.

By feeding the birds, you could change their evolutionary fate

Researchers found that feeding birds can lead to the evolution of reproductive isolation, resulting in two distinct populations within a single species. This study shows that human activities can influence the evolutionary trajectories of even common bird species.

SourceCell Press·JournalCurrent Biology·DateDec 3, 2009

Hawaiian hot spot has deep roots

Seismic images of a mantle plume extending to depths of at least 1,500 kilometers reveal the roots of Hawaii's volcanic hotspot. The PLUME project provides high-resolution seismic images of the structure beneath the island of Hawaii.

SourceCarnegie Institution for Science·JournalScience·DateDec 3, 2009
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Model predicts dialysis patients' likelihood of survival

A new clinical tool helps determine if kidney disease patients on dialysis are likely to die within the next few months. The model considers a doctor's estimate of prognosis, nutritional status, age, and additional illnesses or conditions.

SourceAmerican Society of Nephrology·JournalClinical Journal of the American Society of Nephrology·DateDec 3, 2009

Ending intimate partner violence

The UK Government's new strategy focuses on preventing intimate partner violence through education and community programs. The plan includes a national communications program and adding gender equality to the school curriculum.

SourceThe Lancet_DELETED·JournalThe Lancet·DateDec 3, 2009

CCNY professor foresees rising Antarctic snowmelt

A 30-year record low in Antarctic snowmelt was likely caused by strong positive phases for two main climate drivers, ENSO and SAM. The Antarctic snowmelt is expected to revert to higher norms as the damage to the ozone layer is repaired.

SourceCity College of New York·JournalGeophysical Research Letters·DateDec 3, 2009

New drug technology produces marked improvement in hepatitis C therapy in animals

A new drug, SPC3649, developed by Santaris Pharma, targets liver cells and showed a substantial drop in blood levels of the virus in animals, continuing to work after treatment stopped. The study also suggests that this technology could be useful for treating other diseases like HIV, cancer, and inflammatory diseases.

SourceTexas Biomedical Research Institute·JournalScience·DateDec 3, 2009
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.

Random DNA mix-ups not so random in cancer development

Chromosomal translocations, a hallmark of leukemias and lymphomas, may be more systematically driven than previously thought. The study identifies the male sex hormone (androgen) receptor as a key player in driving specific translocations in prostate cancer.

SourceUniversity of California - San Diego·JournalCell·DateDec 3, 2009

Quake prediction model developed

A trio of papers in Nature suggests a new method of predicting earthquakes, focusing on the stresses inside the Earth's crust. The forecasting model can estimate stress levels and provide an indirect measure of future quake sizes and locations.

SourceUniversity of Southern California·JournalNature·DateDec 3, 2009

The end of deforestation in the Brazilian Amazon?

A new study suggests that Brazil can end deforestation in the Amazon by 2020 with the help of market forces and government will. The estimated cost of achieving this goal is between $6.5 billion to $18 billion, which would result in a 2-5% reduction in global carbon dioxide emissions.

SourceWoodwell Climate Research Center·JournalScience·DateDec 3, 2009

New antibiotics urgently needed

A global drive is necessary to develop new antibiotics, with only a single new antibacterial approved in the USA since 2006. The EU report also shows limited progress, with just five new drugs reaching phase 3 clinical trials within the next 10 years.

SourceThe Lancet_DELETED·JournalThe Lancet·DateDec 3, 2009
Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

A greener way to get electricity from natural gas

Researchers propose a novel configuration of existing components to create a power plant that runs on natural gas without emitting greenhouse gases. The system has the advantage of producing clean water as a side benefit and could be retrofitted with carbon capture technologies.

SourceMassachusetts Institute of Technology·JournalJournal of Power Sources·DateDec 3, 2009

December 2009 Geology and GSA Today highlights

Researchers discovered that microorganisms can survive for thousands of years trapped in salt crystals, and a study found that river flood dynamics may not be recorded in marine deposits. Additionally, scientists analyzed volcanic eruptions and their impact on the environment.

SourceGeological Society of America·JournalGeology·DateDec 3, 2009
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.

Novel carbon-trading scheme could stop large-scale extinctions

A new strategy proposes a biodiversity-focused approach to reduce carbon emissions from deforestation, favoring high-biodiversity nations in Southeast Asia and the Indian Ocean. This approach has been shown to contribute more to slowing biodiversity loss than traditional carbon-based credit scenarios.

SourceSmithsonian Tropical Research Institute·JournalScience·DateDec 3, 2009

Major impacts of climate change expected on mental health

Climate change is projected to exacerbate existing mental illness and increase overall burden of mental disorder worldwide. This is due to factors such as natural disasters, heat-related deaths, and mass migration, which disproportionately affect vulnerable populations.

SourceKing's College London·JournalPsychological Medicine·DateDec 3, 2009