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Science News for November 3, 2011


Exercise provides clue to deadly ataxia

Researchers discovered that brief periods of exercise in early life increased survival rates in mice with spinocerebellar ataxia 1 (SCA1), a devastating inherited disorder. Exercise reduced levels of capicua, a protein partner of ataxin1, which improved symptoms and extended lifespan.

SourceBaylor College of Medicine·JournalScience·DateNov 3, 2011

UofL researcher to develop oral health plan for those with IDD

A UofL researcher is developing an oral health plan for individuals with intellectual and developmental disabilities (IDD). The pilot study aims to improve oral hygiene and prevent respiratory infections. Caregivers will receive education and support to help their patients with IDD maintain good oral health.

SourceUniversity of Louisville·DateNov 3, 2011

First-of-its-kind search engine will speed materials research

The Materials Project accelerates material discovery, enabling faster development of new materials used in clean energy technologies and common consumer products. Researchers can access a database of over 15,000 inorganic compounds to predict and discover new materials.

SourceDOE/US Department of Energy·DateNov 3, 2011
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.

Android add-on monitors eyewitness mobile media reports

Duke University researchers developed YouProve, an Android add-on that monitors images and audio captured on mobile devices for authenticity and fidelity. It uses advanced algorithms to track changes and produce non-forgeable certificates, ensuring the integrity of crowd-sourced content.

SourceDuke University·DateNov 3, 2011

Tropical forests are fertilized by air pollution

Scientists have discovered that human activities are perturbing the nitrogen cycle in tropical forests, leading to an increase in nitrogen levels. This finding has significant implications for tree communities and global change models.

SourceSmithsonian Tropical Research Institute·JournalScience·DateNov 3, 2011

Chromosome centromeres are inherited epigenetically

A team of scientists has discovered that the histone protein CenH3 is both necessary and sufficient to trigger the formation of centromeres and pass them on from generation to generation. This discovery may help develop artificial human chromosomes for gene therapies in medicine.

SourceMax-Planck-Gesellschaft·JournalScience·DateNov 3, 2011

University of Nevada, Reno, professor publishes study on public education finance systems

A new study by University of Nevada, Reno professor Deborah Verstegen analyzes public education finance systems across the United States, highlighting funding policies for populations with special educational needs. The research provides valuable insights into accountability and equity issues in US education finance systems.

SourceUniversity of Nevada, Reno·JournalEducation Policy Analysis Archives·DateNov 3, 2011

Hybrid power plants can help industry go green

Researchers at Tel Aviv University have developed a new technology that combines conventional fuel with lower-temperature steam produced by solar power, allowing power plants to operate with 25-50% green energy. This hybrid cycle is highly efficient and uses cost-effective materials, making it a more realistic option for the short-term.

SourceAmerican Friends of Tel Aviv University·JournalSolar Energy·DateNov 3, 2011
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.

Chromosomal 'breakpoints' linked to canine cancer

Researchers at NC State University found evolutionary breakpoints in canine chromosomes associated with canine cancer. Mapping these 'fragile' regions could provide new tools for human cancer detection and treatment.

SourceNorth Carolina State University·JournalChromosome Research·DateNov 3, 2011

Gene discovered as cause of fatal condition

A new gene, LRP1, has been identified as the cause of fatal abdominal aortic aneurysms (AAAs). Researchers found that this gene is specific to AAA and not linked to other cardiovascular diseases. The discovery paves the way for new methods to treat AAAs.

SourceUniversity of Leicester·JournalAmerican Journal of Human Genetics·DateNov 3, 2011
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.

Supercomputers accelerate development of advanced materials

The Materials Project, a Google-like search engine for materials research, uses supercomputers to characterize material properties and organize them into a database. This accelerates the discovery process, enabling researchers to develop novel materials for industries such as energy, transportation, and food packaging.

SourceDOE/Lawrence Berkeley National Laboratory·DateNov 3, 2011

San Diego Zoo scientists establish cell cultures of endangered frog

Researchers successfully established cell cultures from frozen biopsy specimens of the critically endangered Mississippi gopher frog, marking a breakthrough in banking viable amphibian cells. The technique expands conservation efforts to combat diseases and advance reproductive studies.

SourceSan Diego Zoo Wildlife Alliance·DateNov 3, 2011

The cerebellum as navigation assistant

The cerebellum contributes to creating a cognitive map of the environment through altering chemical communication between its neurons. Inactivation of this ability impairs navigation, as seen in transgenic mice lacking long-term depression in cerebellar neurons.

SourceRuhr-University Bochum·JournalScience·DateNov 3, 2011

Brain probe that softens after insertion causes less scarring

Researchers at Case Western Reserve University have developed a brain probe that softens after insertion, inducing less scarring and enabling the brain to heal faster. The nanocomposite probe, inspired by the skin of the sea cucumber, changes its mechanical properties in response to water, reducing damage to surrounding brain tissue.

SourceCase Western Reserve University·JournalJournal of Neural Engineering·DateNov 3, 2011
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.

Climate change causing massive movement of tree species across the West

A massive shift in tree species is underway across the Western United States due to climate change, with many native species declining or disappearing and opportunistic newcomers replacing them. The research identifies areas where forests will change composition, with some regions shifting into grasslands or deserts.

SourceOregon State University·JournalRemote Sensing of Environment·DateNov 3, 2011

Adolescent amphetamine use linked to permanent changes in brain function and behavior

A study by McGill University Health Centre researchers found that adolescent amphetamine use can cause neurobiological imbalances and increase risk-taking behavior, effects that persist into adulthood. The study used animal models and found abnormalities in key neurotransmitters serotonin, dopamine, and norepinephrine.

SourceMcGill University Health Centre·JournalThe International Journal of Neuropsychopharmacology·DateNov 3, 2011

Skin 'sees' UV light, starts producing pigment

Skin detects UVA radiation using a light-sensitive receptor found in eyes, leading to melanin production within hours. Researchers find that long-wavelength UVA light stimulates rhodopsin in melanocytes, triggering calcium signals and melanin accumulation.

SourceBrown University·JournalCurrent Biology·DateNov 3, 2011
Apple iPhone 17 Pro

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

November GSA Today science article -- Southern Gulf of California

The November GSA Today science article explores why the Southern Gulf of California ruptured so rapidly, attributing it to an oblique divergence across a thin and hot, weak lithosphere. This process allowed for rapid deformation and stretching of the crust, resulting in new sea floor formation in just 6-10 million years.

SourceGeological Society of America·JournalGSA Today·DateNov 3, 2011

Research team unravels tomato pathogen's tricks of the trade

A research team has sequenced the genome of Pseudomonas syringae pv. tomato to understand how it evades plant defenses and develop methods to prevent further spread. The study found that the pathogen likely evolved on a recent time scale and continues to adapt by minimizing its recognition, posing a threat to biosecurity.

SourceVirginia Tech·JournalPLOS Pathogens·DateNov 3, 2011

Gene therapy shows promise as hemophilia treatment in animal studies

Researchers have combined gene therapy and stem cell transplantation to successfully reverse hemophilia A in large animals, eliminating symptoms and restoring normal activity. However, the treatment's effects may be reduced or shorter due to an immune response developed by the treated animals.

SourceAtrium Health Wake Forest Baptist·JournalExperimental Hematology·DateNov 3, 2011

Saving the day

A study published in BMC Emergency Medicine found that higher body mass index (BMI) and fitness levels improve CPR performance, while lower BMI and fitness lead to decreased compression depth and fatigue. The researchers recommend changing CPR providers every two minutes to prevent tiredness from impeding proper compression.

SourceBMC (BioMed Central)·JournalBMC Emergency Medicine·DateNov 3, 2011
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.

Study finds voters concerned with privacy in US elections

A Brigham Young University study found that voters who go against the neighborhood norm have less confidence in ballot privacy, with 30% less confidence. Election officials' shift to new voting technology has increased concerns among some voters about privacy.

SourceBrigham Young University·JournalPublic Opinion Quarterly·DateNov 3, 2011

Evolution during human colonizations

Researchers analyzed genealogies of over one million individuals in Quebec to show that pioneers on the edge of colonization waves had a selective advantage. This advantage led to increased fertility and reproductive success, as well as a desire for exploration and colonization.

SourceSwiss Institute of Bioinformatics·JournalScience·DateNov 3, 2011
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Discovery of new gene could improve efficiency of molecular factories

Researchers at Michigan State University have discovered a new gene, Clumped Chloroplasts (CLMP1), which plays a key role in chloroplast separation and division. The discovery could lead to improvements in crop yields and efficiency through breeding and genetic manipulation.

SourceMichigan State University·JournalProceedings of the National Academy of Sciences·DateNov 3, 2011

Annual UH Mars Rover event gets $400,000 boost from NASA

The UH Mars Rover Model Celebration and Exhibition will receive a $414,000 grant from NASA to develop a stronger event, expand beyond Texas, and provide hands-on science projects for elementary and middle school students. The program aims to inspire the next generation of scientists and engineers.

SourceUniversity of Houston·DateNov 3, 2011

Caucasians who avoid sun exposure more likely to be vitamin D deficient, Stanford study suggests

A Stanford study found that Caucasians who avoid sun exposure have lower blood levels of vitamin D, with a 40% prevalence among all participants increasing to 53% and 56% among those wearing long sleeves and staying in the shade. The use of sunscreen did not significantly affect vitamin D levels due to insufficient application.

SourceStanford Medicine·JournalCancer Causes & Control·DateNov 3, 2011
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Clemson researcher says high blood pressure may lead to missed emotional cues

Research suggests a link between high blood pressure and reduced ability to recognize emotional faces and texts, potentially causing miscommunication and increased distress in social situations. This 'emotional dampening' can lead to distrust, risk-taking behavior, and worsened mental health conditions.

SourceClemson University·JournalPsychosomatic Medicine·DateNov 3, 2011

Secluding aggressive young offenders is always the last resort says 4-country study

A four-country study published in the Journal of Psychiatric and Mental Health Nursing found that verbal intervention was the favoured technique for dealing with aggressive episodes involving young offenders. The research team also recommended continuous education, sufficient resources, and further studies to improve practices.

SourceWiley·JournalJournal of Psychiatric and Mental Health Nursing·DateNov 3, 2011

Human skin begins tanning in seconds, and here's how

Researchers have discovered that human skin can begin tanning in seconds after exposure to UV light, using a mechanism similar to the retina's detection of light. This early response provides rapid protection against UV damage and may impact sunscreen design.

SourceCell Press·JournalCurrent Biology·DateNov 3, 2011

A new definition for periprosthetic joint infection

Researchers at Thomas Jefferson University have developed a new definition for periprosthetic joint infection (PJI) to help diagnose patients with suspected PJI. The criteria include sterile sampling, biomarker testing, and histological analysis to identify virulent organisms like Staphylococcus aureus.

SourceThomas Jefferson University·JournalClinical Orthopaedics and Related Research·DateNov 3, 2011
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.

Researchers help in search for new ways to image, therapeutically target melanoma

Researchers developed a nanomedicine-based tool to target malignant melanoma, which showed promising results in preclinical studies. The system's ability to deliver targeted therapies with high affinity and selectivity holds great potential for improved diagnosis and therapy.

SourceH. Lee Moffitt Cancer Center & Research Institute·JournalJournal of Medicinal Chemistry·DateNov 3, 2011

City lights could reveal E.T. civilization

Researchers suggest looking for artificial illumination on distant planets as they orbit their stars, which could provide a measurable signal. This technique relies on the assumption that intelligent life uses Earth-like technologies and could potentially spot alien cities using future generations of telescopes.

SourceCenter for Astrophysics | Harvard & Smithsonian·JournalAstrobiology·DateNov 3, 2011

IVF proven unnecessary for many infertile couples

A new study published in European Obstetrics & Gynaecology shows that DuoFertility's monitoring and support service can achieve pregnancy rates comparable to IVF for many infertile couples. This viable, non-invasive alternative could save the NHS millions of pounds each year.

SourceCambridge Temperature Concepts·JournalEuropean Journal of Obstetrics & Gynecology·DateNov 3, 2011

A KAIST research team has developed a fully functional flexible memory

A KAIST research team has developed a fully functional flexible non-volatile resistive random access memory (RRAM) that can be randomly accessed, written, and erased on a plastic substrate. This breakthrough overcomes cell-to-cell interference issues by integrating a memristor with high-performance silicon transistors.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalNano Letters·DateNov 3, 2011
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.

NASA's Fermi finds youngest millisecond pulsar, 100 pulsars to date

A team of scientists using NASA's Fermi Gamma-ray Space Telescope has discovered a young millisecond pulsar named PSR J1823−3021A, challenging existing theories about its formation. The discovery pushes the total count of detected pulsars to over 100, with NGC 6624 globular cluster contributing significantly.

SourceNASA/Goddard Space Flight Center·DateNov 3, 2011

What sort of youth centers do young people really want?

A study involving 50 secondary school children explored what types of youth services young people want. The research found that providing youth services helps prevent youth crime and has a positive impact on their behavior. Young people were asked to prioritize and distribute limited resources, informing the development of youth centers.

SourceEconomic & Social Research Council·DateNov 3, 2011

It takes two: Brains come wired for cooperation, neuroscientist asserts

A study led by Johns Hopkins behavioral neuroscientist Eric Fortune found that the brain prefers cooperative activity over solo ones, as demonstrated in plain-tailed wrens' duet songs. The research has implications for programming autonomous robots and understanding human social behavior.

SourceJohns Hopkins University·JournalScience·DateNov 3, 2011
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.

Millisecond pulsar in spin mode

Scientists have found the first gamma-ray pulsar in a globular cluster, J1823-3021A, which is also the youngest millisecond pulsar discovered to date. Its high luminosity and strong magnetic field challenge current theories on its formation.

SourceMax-Planck-Gesellschaft·JournalScience·DateNov 3, 2011

The benefits of being the first to settle

Researchers analyzed genealogies of early pioneers and found they had significantly more children than those who settled within the core of an existing colony. Women on the edge of colonization also showed a 15% higher fertility rate due to earlier marriage, suggesting that fertility can rapidly evolve during range expansion.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateNov 3, 2011

Low vitamin D common in spine surgery patients

A study of 313 spine surgery patients found that more than half had inadequate vitamin D levels. Patients with insufficient vitamin D may benefit from taking supplements before and after surgery to aid in recovery.

SourceWashU Medicine·DateNov 3, 2011
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Study identifies an expanded role for PKM2 in helping cancer cells survive

A new study identifies PKM2 as a critical enzyme for cancer cell survival under oxidative stress. Researchers found that activating PKM2 can sensitize cancer cells to ROS-induced death, opening up potential therapeutic avenues for cancer treatment. The study suggests that manipulating PKM2 activity could be a way to disrupt tumor growth.

SourceBeth Israel Deaconess Medical Center·JournalScience·DateNov 3, 2011

Health check on the road

A research team at TUM has developed a sensor system that monitors drivers' vital signs, including heart rate, skin conductance, and oxygen saturation, to prevent fainting spells or heart attacks. The system uses simple sensors in the steering wheel and can initiate measures such as phone call blocking or emergency braking if necessary.

SourceTechnical University of Munich (TUM)·DateNov 3, 2011

Researchers find anti-depressants reduce pain in opioid-dependent patients

A study published in the journal Pain found that opioid-dependent patients treated with escitalopram experienced significant reductions in pain severity and interference. The findings suggest that antidepressants may be an effective alternative to non-opioid pharmacologic therapies for managing chronic pain in this population.

SourceBoston University School of Medicine·JournalPain·DateNov 3, 2011

Alternate ending -- living on without telomerase

Researchers have found a novel mechanism by which cancer cells can continue to divide without the help of telomerase, a key enzyme involved in cell aging. The discovery identifies a special protein complex called APBs as a potential target for cancer therapy.

SourceHelmholtz Association·JournalJournal of Cell Science·DateNov 3, 2011
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.

Erasing the signs of aging in cells is now a reality

Researchers at Inserm have successfully rejuvenated cells from elderly donors, erasing signs of aging and demonstrating the reversibility of cellular aging. The breakthrough uses a new 'cocktail' of six genetic factors to reprogram senescent cells into functional induced pluripotent stem cells.

SourceINSERM (Institut national de la santé et de la recherche médicale)·JournalGenes & Development·DateNov 3, 2011

Nano-tech makes medicine greener

Researchers at the University of Copenhagen have developed a nano-tech method to test new medicines in extremely small volumes, allowing for faster and cheaper drug development. The technique uses self-assembling systems made from biological materials, significantly reducing environmental impact.

SourceUniversity of Copenhagen·JournalNature Nanotechnology·DateNov 3, 2011

Scientists identify genes that may signal long life in naked mole-rats

Researchers found genes associated with mitochondria and respiration are expressed at high levels in naked mole-rats, suggesting mechanisms for longevity and disease resistance. The study's findings provide clues on how the rodent protects itself against oxidative stress and may help understand aging processes.

SourceUniversity of Liverpool·JournalPLOS ONE·DateNov 3, 2011

Embryonic signal drives pancreatic cancer and offers a way to kill it

A new therapy approach targets a self-renewal pathway in embryonic stem cells to eliminate cancer stem cells in pancreatic cancer. In mice with human pancreatic cancer tumors, the combination of Nodal/Activin pathway inhibition and chemotherapy led to 100% survival after 100 days.

SourceCell Press·JournalCell Stem Cell·DateNov 3, 2011
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Latex gloves lead to lax hand hygiene in hospitals, study finds

A study of over 7,000 patient contacts found that healthcare workers wearing latex gloves were less likely to clean their hands before and after patient contact. The researchers call this phenomenon the 'Dirty Hand in the Latex Glove,' highlighting an opportunity for improved hand hygiene practices when using gloves.

SourceSociety for Healthcare Epidemiology of America·JournalInfection Control and Hospital Epidemiology·DateNov 3, 2011

Biologists use flies and mice to get to the heart of Down syndrome

Biologists have identified two critical genes, DSCAM and COL6A2, responsible for congenital heart defects in individuals with Down syndrome. These genes disrupt cardiac development and function when produced at elevated levels. The study used a novel approach combining fruit flies and mice to untangle the problem.

SourceUniversity of California - San Diego·JournalPLOS Genetics·DateNov 3, 2011

The selective advantage of being on the edge of a migration wave

A study using Quebec's BALSAC population database found that families on the edge of migration waves had more children and contributed more to the contemporary population's genetics. This phenomenon, known as 'gene surfing', may explain the elevated frequency of genetic diseases in certain regions.

SourceUniversity of Montreal·JournalScience·DateNov 3, 2011

Tiago Branco wins Eppendorf/Science Prize

Tiago Branco's research focuses on how single neurons process information from the outside world to generate behaviors. He discovered that dendrites actively filter and transform this information, enabling single neurons to solve complex computational tasks.

SourceAmerican Association for the Advancement of Science (AAAS)·DateNov 3, 2011
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.

Creating markets to pay for public good offer promise, peril

A study by Arizona State University experts warns that some payment mechanisms for ecosystem services can be detrimental to the environment. The report highlights the need for carefully designed payment schemes to track changes in publicly owned environmental assets, similar to tracking economic indicators like GDP.

SourceArizona State University·JournalScience·DateNov 3, 2011

VCU researchers discover mechanism in brain cancer responsible for neuron death

Researchers at VCU Massey Cancer Center have discovered a mechanism by which glioblastoma multiforme promotes neurodegeneration, leading to neuron death. AEG-1, an oncogene overexpressed in brain tumors, inhibits expression of EEAT2, a glutamate transporter, resulting in excitoxicity and excessive glutamate levels.

SourceVirginia Commonwealth University·JournalCancer Research·DateNov 3, 2011

The devastating health consequences of earthquakes

Earthquakes result in massive death tolls due to trauma, crush injuries, and disruptions to medical services. Many victims succumb to complications, sepsis, or organ failure, while others experience mental health problems like depression and post-traumatic stress disorder.

SourceThe Lancet_DELETED·JournalThe Lancet·DateNov 3, 2011
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.

X marks the spot -- TBL1X gene involved in autism spectrum disorder

A genome-wide association study has identified the TBL1X gene as a novel candidate gene for autism spectrum disorder (ASD) in males. The study found an association between variations in the TBL1X gene and an increased risk of ASD, with an estimated 15% increase in risk.

SourceBMC (BioMed Central)·JournalMolecular Autism·DateNov 3, 2011