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Science News for November 30, 2011


Super athletic mice are fit because their muscles burn more sugar

Researchers at Sanford-Burnham Medical Research Institute discovered a way to reprogram muscle cells to burn sugar more efficiently, resulting in increased athletic ability and reduced lactic acid production. This novel mechanism could lead to new prevention or treatment methods for obesity, metabolic syndrome, and diabetes.

SourceSanford Burnham Prebys·JournalGenes & Development·DateNov 30, 2011
Apple iPhone 17 Pro

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

Petroleum-eating mushrooms

Researchers B. Franz Lang and Mohamed Hijri have identified mushroom species that can consume petroleum, offering a breakthrough in soil decontamination. The discovery is based on phytoremediation principles, where microorganisms play a key role in degrading contaminants.

SourceUniversity of Montreal·DateNov 30, 2011

British butterfly is evolving to respond to climate change

New research reveals that climate change is causing certain species to adapt to new habitats, helping them track ongoing warming. The Brown Argus butterfly has successfully expanded its distribution northwards in the UK, using a range of distinct habitats.

SourceUniversity of Bristol·JournalMolecular Ecology·DateNov 30, 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.

Engineered botulism toxins could have broader role in medicine

Scientists re-engineered botulism toxins to target non-nerve cells, blocking inflammation-linked protein release. This could expand treatment options for chronic inflammatory diseases like rheumatoid arthritis and asthma, reducing risks associated with nerve cell disruption.

SourceAmerican Chemical Society·JournalBiochemistry·DateNov 30, 2011

MAKS: Drug-free prevention of dementia decline

Researchers found that a year-long Maks therapy, combining motor stimulation, cognitive exercises, and daily living activities, halted the progression of dementia in patients. This therapy showed similar results to cholinesterase inhibitors, but with twice as much effect on daily living tasks.

SourceBMC (BioMed Central)·JournalBMC Medicine·DateNov 30, 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.

Unlocking the genetic and molecular mystery of soft-tissue sarcoma

Researchers at Joslin Diabetes Center have identified two major molecular signaling pathways that regulate cell growth and division, hallmarks of cancer biology. The study provides new candidate targets for treating soft-tissue sarcomas, which can be controlled but not cured by current treatments.

SourceJoslin Diabetes Center·JournalProceedings of the National Academy of Sciences·DateNov 30, 2011

UBC study explores distrust of atheists by believers

A UBC study explores the social psychological processes underlying anti-atheist sentiments, finding that religious believer's distrust is central to prejudice against atheists. The research suggests that outward displays of belief may be viewed as a proxy for trustworthiness, leading to disapproval and mistrust of atheists.

SourceUniversity of British Columbia·JournalJournal of Personality and Social Psychology·DateNov 30, 2011
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.

Biocompatible graphene transistor array reads cellular signals

Researchers demonstrate graphene-based transistor array compatible with living cells, recording electrical signals generated by individual nerve cells. The platform shows potential for future bioelectronic applications, including brain-eye-ear implants to compensate for neural damage.

SourceTechnical University of Munich (TUM)·JournalAdvanced Materials·DateNov 30, 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.

Lithosphere highlights for Dec. 2011

Research highlights the age of continental crust, with over 60% originating in the Archean, 2.5 billion years ago. A new paleomagnetic pole for chron 32 corrects for spreading-rate dependence, improving skewness data accuracy. Seismic ambient noise analysis reveals structural alignments in the Chile Ridge Subduction Region.

SourceGeological Society of America·JournalLithosphere·DateNov 30, 2011

Researchers' new recipe cooks up better tissue 'phantoms'

Scientists have created a novel combination of additives that enable gelatin to mimic the acoustical and optical properties of soft tissue in humans. The resulting tissue 'phantoms' can be used to test photoacoustic and ultrasonic imaging technologies, which are increasingly being used in clinical applications.

SourceOptica·JournalBiomedical Optics Express·DateNov 30, 2011

Is transparency bad for science?

The article discusses the controversy surrounding science transparency, with some scientists arguing that data sharing and freedom of information can hinder their work. Researchers like Fred Pearce argue that openness would have prevented time-consuming debates between climate deniers and scientists.

SourceSAGE·JournalIndex on Censorship·DateNov 30, 2011

Bush embryonic stem cell lines different from newly derived cell lines

Researchers found that newly derived human embryonic stem cell lines have a better molecular signature than established lines, indicating higher quality and potentially better performance in disease modeling. The study suggests that maintaining the original state of X chromosome inactivation could be crucial for achieving optimal results.

SourceUniversity of California - Los Angeles Health Sciences·JournalHuman Molecular Genetics·DateNov 30, 2011

A dash of physics thrown into the cocktail mix

Top bartenders are ditching trial and error for a more measured approach to cocktail making, inspired by physics techniques. Rotary evaporators and thermocouples help extract flavors and balance the taste of cocktails, such as martinis and manhattans.

SourceIOP Publishing·JournalPhysics World·DateNov 30, 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.

Chemical warfare of stealthy silverfish

Researchers found that silverfish steal the ant's scent to avoid being killed or rejected from the nest. By continually updating this scent, the silverfish remain protected from ant aggression. This co-evolutionary arms race highlights the ants' complex scent recognition system and the silverfish's elaborate behavioral adaptations.

SourceBMC (BioMed Central)·JournalBMC Ecology·DateNov 30, 2011

MIT: New algorithm may improve defensive driving

Researchers developed an algorithm that accurately identifies potential 'red-light violators' within seconds, reducing false alarms. The algorithm's accuracy surpasses existing safety-prediction technologies, with a 85% success rate in identifying violators.

SourceMassachusetts Institute of Technology·JournalIEEE Transactions on Intelligent Transportation Systems·DateNov 30, 2011

In a star's final days, astronomers hunt 'signal of impending doom'

Researchers studying a binary star system in the Whirlpool Galaxy have detected a star dimming noticeably before its companion exploded in a supernova. The study provides evidence that certain patterns of brightening and dimming may signal an impending doom for stars, making it possible to predict when a star is near death.

SourceOhio State University·DateNov 30, 2011

Health-care providers should be alert to risk of suicide among pregnant women and new mothers

A University of Michigan Health System-led analysis of federal data found that over half of women who killed themselves had a known mental health diagnosis, with mood disorder being the most common. The study highlights the importance of identifying risk factors in pregnant and postpartum women to intervene and prevent suicide.

SourceMichigan Medicine - University of Michigan·JournalGeneral Hospital Psychiatry·DateNov 30, 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.

Stronger corn? Take it off steroids, make it all female

Researchers at Purdue University have found a naturally occurring mutation in corn that eliminates the need for detasseling, a labor-intensive process. The mutation, which affects brassinosteroids, results in plants that produce only female organs, including kernels where male tassels should be.

SourcePurdue University·JournalProceedings of the National Academy of Sciences·DateNov 30, 2011

The newest of the new in gene therapy: 'Tag and target and exchange'

Scientists have developed a new approach to gene therapy using site-specific recombinases from yeast and phages, allowing for precise genetic modifications. This technique has the potential to improve efficiency and effectiveness of experimental gene therapies while reducing side effects.

SourceFederation of American Societies for Experimental Biology·JournalThe FASEB Journal·DateNov 30, 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.

Artificial leaf could debut new era of 'fast-food energy'

The artificial leaf technology uses sunlight and renewable ingredients to produce electricity, with the potential to power homes in developing countries. The technology has the potential to provide a low-cost solution for generating electricity, making it an attractive option for households and communities.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateNov 30, 2011

Magnetic pole reversal happens all the (geologic) time

Magnetic pole reversals occur frequently over millions of years, with hundreds of occurrences recorded in the past three billion years. The process is gradual and does not have significant effects on plant or animal life, climate, or glaciation.

SourceNASA/Goddard Space Flight Center·DateNov 30, 2011

Self-monitoring of blood-thinning treatment almost halves risk of developing blood clots compared with conventional care

A meta-analysis found that self-monitoring of oral anticoagulation therapy with vitamin K antagonists reduced the risk of thromboembolic events, such as deep vein thrombosis and stroke, by 49% compared to conventional care. Self-monitoring was particularly beneficial for younger patients and those with mechanical heart valves.

SourceThe Lancet_DELETED·JournalThe Lancet·DateNov 30, 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.

Marzipan Santas, elves and stollen: Real deal or cheap fakes?

A new test developed by scientists can accurately detect contaminants in marzipan pastes, including cheap substitutes made from soy and peas. The polymerase chain reaction (PCR) method can identify small amounts of almond substitutes as little as 0.1%.

SourceAmerican Chemical Society·JournalJournal of Agricultural and Food Chemistry·DateNov 30, 2011

Trauma drug first for civilian ambulance service

The South West Ambulance Service will introduce TXA for civilian trauma patients, which has shown a 30% reduction in death from bleeding when used within three hours of trauma. The cost of the drug is estimated to be £2,560 in year one, with potential savings of many lives and reduced trauma-related disability.

SourceThe Peninsula College of Medicine and Dentistry·DateNov 30, 2011

Hull research proves color is not a black and white issue

Scientists at the University of Hull found that highly suggestible individuals can see colours in monochrome patterns and experience changes in brain activity under hypnosis. The study suggests that these abilities exist independently of hypnosis and may be useful for medical interventions, such as pain control.

SourceUniversity of Hull·JournalConsciousness and Cognition·DateNov 30, 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.

Astronomers look to neighboring galaxy for star formation insight

Researchers mapped over 100 molecular clouds in the LMC and found many low-mass clouds, contradicting conventional wisdom. The team hopes to learn more about the metamorphosis of gas clouds into stars.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalThe Astrophysical Journal Supplement Series·DateNov 30, 2011

Improving patient care by improving nurses' work environment

A new study published in Health Care Management Review found that physical environment, workgroup cohesion, and job satisfaction have a significant impact on nurses' ratings of patient care quality. Improving these factors can lead to better patient outcomes without requiring increases in nurse staffing.

SourceNew York University·JournalHealth Care Management Review·DateNov 30, 2011

Violent video games alter brain function in young men

A study found that playing violent video games for one week reduced activation in certain brain regions associated with emotional control and aggressive behavior in young adult men. After two weeks without game play, the changes were diminished.

SourceRadiological Society of North America·DateNov 30, 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.

A Spanish botanist searches for prehistoric flora refuges in China

Researchers use ancient species distribution to identify areas where vegetation resisted glaciations, providing insights into plant conservation and evolution. The study highlights the importance of mountain ranges like the Hengduan in preserving relic flora.

SourceSpanish Foundation for Science and Technology·JournalJournal of Biogeography·DateNov 30, 2011

Eating fish reduces risk of Alzheimer's disease

A study found that consuming baked or broiled fish on a weekly basis preserves gray matter volume in areas at risk for Alzheimer's disease. This reduction in risk is associated with improved cognitive function, particularly working memory.

SourceRadiological Society of North America·DateNov 30, 2011

Prior hospitalization for mental illness increases death risk in patients with chest pains

A recent study published in the European Heart Journal found that patients with a history of psychiatric hospitalization have a higher rate of death from any cause and cardiovascular disease compared to those without such a history. This increased risk was seen across both men and women, particularly among younger individuals.

SourceEuropean Society of Cardiology·JournalEuropean Heart Journal·DateNov 30, 2011

Medical researchers in Canada and the US discover hidden side of prion diseases

Medical researchers have discovered a hidden process that erases the shadoo protein in infected brains, up to seven months before physical symptoms of prion diseases like BSE or mad cow disease appear. This new understanding opens up research opportunities into attenuating the disease.

SourceUniversity of Alberta Faculty of Medicine & Dentistry·JournalPLOS Pathogens·DateNov 30, 2011

UC research examines home births –- then and now

A University of Cincinnati researcher is comparing historical data on home births from the 1970s with current trends, highlighting similarities in higher education levels among women opting for home births. In contrast, physician attendance at home births has decreased significantly over time, according to the study.

SourceUniversity of Cincinnati·DateNov 30, 2011
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Earthquakes: Water as a lubricant

Researchers found that rock water acts as a lubricant, causing significant differences in mechanical properties along the fault at depth. This supports the idea that fluids play a key role in the onset of earthquakes, and tremor signals are linked to areas with trapped fluids.

SourceHelmholtz Association·JournalNature·DateNov 30, 2011

In the Dragonfish's mouth: The next generation of superstars to stir up our galaxy

Researchers have found the largest batch of young, supermassive stars yet observed in our galaxy, including dozens of massive blue stars. The intense light emitted by these newborn stars has carved out a glowing hollow shell around them, offering a unique opportunity to study energy transmission and star formation.

SourceUniversity of Toronto·JournalThe Astrophysical Journal Letters·DateNov 30, 2011

Surgeons perform better with eye movement training

Research by the University of Exeter shows that trainee surgeons learn technical surgical skills more quickly and deal better with stress if taught to mimic expert eye movements. The study highlights the potential for 'gaze training' to speed up initial skill learning, getting trainees ready for the operating room earlier.

SourceUniversity of Exeter·JournalSurgical Endoscopy·DateNov 30, 2011
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.

Texas drought visible in new national groundwater maps

The record-breaking Texas drought has reduced groundwater levels in much of the state to their lowest levels in over 60 years. The latest maps from NASA's Gravity Recovery and Climate Experiment (GRACE) satellites show severely depressed groundwater levels, indicating a prolonged drying effect.

SourceNASA/Goddard Space Flight Center·DateNov 30, 2011

Study shows hospice caregivers need routine care interventions

A study led by the University of Kentucky found that hospice family caregivers experience 'second-order patient' stress due to caregiving tasks and emotional impact. Researchers recommend routine care interventions to address these unique needs and improve caregiver outcomes.

SourceUniversity of Kentucky·JournalQualitative Health Research·DateNov 30, 2011

From gene to function

Researchers have identified 68 genetic variants involved in platelet formation, including a novel role for tropomyosin 1 in platelet production. The study found that genes associated with heart attacks and strokes overlap with those affecting platelets, offering potential new targets for treatments.

SourceWellcome Trust Sanger Institute·JournalNature·DateNov 30, 2011

Supercomputers take a cue from microwave ovens

Berkeley researchers are exploring a co-design approach to scientific computing, which brings together scientists and computer engineers to create purpose-built systems for specific applications. This could lead to increased code efficiency, reduced energy consumption, and faster modeling of complex problems like clouds.

SourceDOE/Lawrence Berkeley National Laboratory·JournalJournal of Advances in Modeling Earth Systems·DateNov 30, 2011
Celestron NexStar 8SE Computerized Telescope

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

Risk factors for CCSVI are similar to risk factors for developing MS, UB study shows

A University at Buffalo study of 252 volunteers identified an association between chronic cerebrospinal venous insufficiency (CCSVI) and multiple sclerosis (MS) risk factors, including infectious mononucleosis, irritable bowel syndrome, and smoking. The findings suggest that CCSVI may be a vascular condition similar to MS, warranting f...

SourceUniversity at Buffalo·JournalPLOS ONE·DateNov 30, 2011

NASA's Swift finds a gamma-ray burst with a dual personality

Astronomers propose two exotic scenarios for the unusual cosmic explosion: a novel supernova billions of light-years away or an unusual collision within our own galaxy. The 'Christmas burst' was caused by either event, with observations suggesting a neutron star and rapid tightening of its orbit.

SourceNASA/Goddard Space Flight Center·JournalNature·DateNov 30, 2011

Study finds inadequate mask use among health care workers early in 2009 H1N1 outbreak

A study published in Infection Control and Hospital Epidemiology found that 43 healthcare workers who never used masks during patient encounters became infected with the 2009 H1N1 virus, while 20 who wore masks at least once did not contract the disease. The findings highlight the importance of proper mask use among healthcare workers.

SourceSociety for Healthcare Epidemiology of America·JournalInfection Control and Hospital Epidemiology·DateNov 30, 2011

Collecting carbon in a concrete jungle

A new project aims to reduce carbon emissions by using microscopic tubes that can adsorb CO2 from the air, with potential applications in built-up urban areas. The technology could lead to a patentable unit being developed within five years, offering a sustainable solution for reducing carbon footprint.

SourceEngineering and Physical Sciences Research Council·DateNov 30, 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.

Abrupt permafrost thaw increases climate threat

Permafrost thaw could release approximately the same amount of carbon as deforestation, but with a greater impact due to methane emissions. The study estimates that by 2100, carbon released from permafrost will be 1.7-5.2 times larger than previous models.

SourceUniversity of Alaska Fairbanks·JournalNature·DateNov 30, 2011

Promising and perilous? The ambivalent role of the CXCL12/ CXCR4 axis in heart repair

Researchers found that reducing CXCR4 levels correlated with reduced infarct size and inflammation, but impaired recovery of blood flow and neovascularization. The study suggests that localized approaches, such as injecting stem cells with higher CXCR4 levels or CXCL12 variants, may be more effective in heart repair.

SourceLudwig-Maximilians-Universität München·JournalJournal of the American College of Cardiology·DateNov 30, 2011

Heart attack risk differs between men and women

A study using coronary CT angiography found that women are at a significantly greater risk of cardiovascular events than men when experiencing large amounts of plaque build-up or extensive artery narrowing. In contrast, men with non-calcified plaque are at higher risk for major adverse cardiac events compared to women.

SourceRadiological Society of North America·DateNov 30, 2011
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.

Scientists discover anti-inflammatory polyphenols in apple peels

Researchers discovered that oral ingestion of apple polyphenols can suppress T cell activation and ameliorate experimental colitis in mice. The study found that apple polyphenols protect against colitis via the suppression of T cell activation and/or recruitment.

SourceFederation of American Societies for Experimental Biology·JournalJournal of Leukocyte Biology·DateNov 30, 2011

Scripps Florida scientist awarded $3.4 million for HIV/AIDS research

A Scripps Florida scientist has received a $3.4 million grant to study a new compound that blocks HIV replication by targeting the viral protein Tat. The goal is to evaluate its therapeutic potential in animal models and optimize it for human clinical trials, potentially leading to a novel class of anti-viral drugs.

SourceScripps Research Institute·DateNov 30, 2011

Self-referral leads to more negative exams for patients

A study found that physicians with financial interest in imaging equipment refer more patients for unnecessary MRI exams, leading to increased healthcare costs. The study revealed a higher rate of negative scans and younger patients among those referred by financially interested physicians.

SourceRadiological Society of North America·DateNov 30, 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.

Geology highlights: New research posted in Nov.

Scientists have discovered tranquillityite in Australia's Eel Creek Formation, a mineral previously believed to originate on the Moon. Meanwhile, researchers in Hong Kong present the first three-dimensional seismic velocity model of the region, providing insights into crustal structures and earthquake activity.

SourceGeological Society of America·JournalGeology·DateNov 30, 2011

Training peers improves social outcomes for some kids with ASD

A recent NIH-funded study found that engaging peers in social skills intervention may be more effective than training children with ASD directly. The study showed that children with ASD who interacted with trained peers had improved social outcomes, including reduced time alone on playgrounds and increased classmate friendships.

SourceNIH/National Institute of Mental Health·JournalJournal of Child Psychology and Psychiatry·DateNov 30, 2011

New research distinguishes roles of conscious and subconscious awareness

A study by Hebrew University researchers found that integration of input parts occurs even without conscious awareness, but awareness is needed when results are incompatible with expectations or prior knowledge. Conscious awareness plays a crucial role in dealing with novel situations.

SourceThe Hebrew University of Jerusalem·JournalPsychological Science·DateNov 30, 2011

Study finds savanna chimps exhibit sharing behavior like humans

Chimpanzees from the Fongoli research site in Senegal frequently share plant food and hunting tools with other chimps, exhibiting behavior similar to humans. The study found that females commonly receive food from males, potentially as a future mating strategy.

SourceIowa State University·JournalPrimates·DateNov 30, 2011
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.

Nano meets pharma at Harvard-BASF symposium

Researchers at Harvard University and BASF are working on creating nanoscale particles of drugs to overcome hydrophobic drug compounds. The symposium aims to discuss efficient creation and delivery of these tiny particles for targeted treatment, addressing major challenges in modern medicine.

SourceHarvard University·DateNov 30, 2011

Stinky frogs are a treasure trove of antibiotic substances

Scientists discovered a vast array of anti-bacterial substances, known as peptides, in the skin of odorous frogs. These peptides account for almost one-third of all antimicrobial peptides found worldwide, offering potential clues for developing new antibiotics.

SourceAmerican Chemical Society·JournalJournal of Proteome Research·DateNov 30, 2011
Meta Quest 3 512GB

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