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Science News for December 15, 2010


Where unconscious memories form

A study published in Neuron found that the perirhinal cortex plays a crucial role in forming unconscious conceptual memories. Researchers used functional magnetic resonance imaging (fMRI) scans to map brain activity while participants performed memory tests, revealing that damage to this area impairs memory formation.

SourceUniversity of California - Davis·JournalNeuron·DateDec 15, 2010

'Shaky' plan: Quake experiments may lead to sturdier buildings

The study aims to fill knowledge gaps in cold-formed steel's performance during earthquakes, providing structural engineers with better tools to predict and mitigate damage. The researchers will test two-story buildings and develop computer models to analyze how various building components respond to seismic forces.

SourceJohns Hopkins University·DateDec 15, 2010
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.

Marinomed's iota-carrageenan effective against H1N1

A study published in PLoS ONE found that iota-carrageenan directly binds to influenza viruses, blocking attachment and spread. In animal experiments, it demonstrated equivalent efficacy to Tamiflu, offering a potential alternative for treating H1N1 influenza.

SourceUniversity of Veterinary Medicine -- Vienna·JournalPLOS ONE·DateDec 15, 2010

Hemodynamic responses to the mother's face in infants by near-infrared spectroscopy

Researchers used near-infrared spectroscopy to investigate 7-8 month old infants' brain activity while perceiving their mother's face and female strangers. The study found increased hemodynamic responses in the bilateral temporal cortex for mothers, but only in the left temporaI cortex for maternal recognition.

SourceNational Institute for Physiological Sciences·JournalEarly Human Development·DateDec 15, 2010

New research finds delaying surgical procedures increases infection risk and health care costs

A recent study published in the Journal of the American College of Surgeons found that delaying elective surgical procedures after hospital admission significantly increases the risk of infectious complications. The study analyzed data from over 163,000 patients and found that infection rates increased with delays in procedures such as...

SourceWeber Shandwick Worldwide·JournalJournal of the American College of Surgeons·DateDec 15, 2010

Link between cholesterol compound and multiple sclerosis unlikely, researchers say

A new study published in the Journal of Lipid Research found that oxysterols, previously thought to be associated with multiple sclerosis, are not present in significant amounts in MS patients. The research contradicts a previous study and suggests the potential role of oxysterols in MS needs reconsideration.

SourceAmerican Society for Biochemistry and Molecular Biology·JournalJournal of Lipid Research·DateDec 15, 2010
Apple iPhone 17 Pro

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

Study supports gluten-free diet in potential celiac disease patients

A new study published in ACS' Journal of Proteome Research found that people with symptoms of potential celiac disease may not be 'potential' patients at all. The study suggests that these individuals have the same distinctive metabolic fingerprint as those with full-blown disease who benefit from gluten-free diets.

SourceAmerican Chemical Society·JournalJournal of Proteome Research·DateDec 15, 2010

Put on the brakes after foot or ankle surgery

A new study by the American Academy of Orthopaedic Surgeons found that patients wearing immobilization devices, such as splints or braces, take longer to brake than those wearing normal footwear. The results showed a significant impairment in braking response time for drivers using various types of devices.

SourceAmerican Academy of Orthopaedic Surgeons·JournalJournal of Bone and Joint Surgery·DateDec 15, 2010

Soft substrate promotes pluripotent stem cell culture

Researchers at University of Illinois found that soft gel substrates promote homogeneous pluripotent stem cell cultures without expensive growth chemicals. This discovery has huge applications in regenerative medicine, offering a step toward understanding the basic biology of stem cells.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalPLOS ONE·DateDec 15, 2010
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.

New method for making tiny catalysts holds promise for air quality

Researchers at the University of Illinois have developed a simpler method to add iron to tiny carbon spheres, creating catalytic materials that can remove pollutants. The new technique uses ultrasonic spray pyrolysis and produces ash-free, inexpensive materials with potential applications for fuel cells and environmental remediation.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalCarbon·DateDec 15, 2010

Plasma therapy: An alternative to antibiotics?

A study published in Journal of Medical Microbiology found that low-temperature plasma was effective in killing drug-resistant bacteria causing wound infections, and increased the rate of wound healing. Plasma therapy may offer a promising method to treat chronic wound infections where other approaches fail.

SourceMicrobiology Society·JournalJournal of Medical Microbiology·DateDec 15, 2010

Dealing with an epidemic of loneliness

A UK doctor shares a poignant story of an elderly patient struggling with loneliness, highlighting the need for companionship and support. The Lancet argues that tackling loneliness requires a multi-faceted approach, including social clubs, workshops, and simply spending time with neighbors.

SourceThe Lancet_DELETED·JournalThe Lancet·DateDec 15, 2010
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.

Ancient forest emerges mummified from the Arctic

A team of researchers has discovered a mummified forest in the Arctic that provides valuable insights into how plants adapted to a long-ago global cooling event. The trees, which are estimated to be 2-8 million years old, show signs of stress and suffered from extreme conditions, including half a year of darkness and cooling climate.

SourceOhio State University·DateDec 15, 2010

Study links increased BPA exposure to reduced egg quality in women

A study by the University of California, San Francisco found that increased BPA exposure in women can lead to a 50% decline in fertilized eggs during IVF treatment. The researchers recommend reducing BPA levels through lifestyle and dietary modifications to minimize reproductive health risks.

SourceUniversity of California - San Francisco·JournalFertility and Sterility·DateDec 15, 2010
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.

Bacterial life on and in humans orchestrates health and disease

The article highlights the significant impact of human microbiome on overall health, with microbes contributing to protection from disease and production of essential vitamins. Researchers are also exploring how the gut microbiome affects body weight and odor.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateDec 15, 2010

Veterinarians helping Iraq rebuild food, livestock industries

Michigan State University veterinarians are providing expertise to Iraqi farmers and veterinarians through bi-weekly videoconferencing sessions, focusing on farm management, animal nutrition, and diseases. The project aims to revitalize Iraq's livestock industry and improve productivity.

SourceMichigan State University·DateDec 15, 2010

Missing molecules hold promise of therapy for pancreatic cancer

Researchers at Johns Hopkins Medicine discovered a potential therapy strategy by restoring lost microRNAs in human pancreatic tumor cells. The study found that these microRNAs put brakes on tumors when the KRAS gene is mutated, a common event in pancreatic cancer.

SourceJohns Hopkins Medicine·JournalGenes & Development·DateDec 15, 2010

Close proximity leads to better science

A new Harvard Medical School study found that physical proximity of researchers strongly correlates with the impact of their work. The closer the first and last author are located, the more impactful a paper is as measured by citations.

SourceHarvard Medical School·JournalPLOS ONE·DateDec 15, 2010

Protein disables p53, drives breast cells toward cancer transition

High expression of TRIM24 in breast cancer correlates with poor survival, as it disables tumor suppressor p53 and stimulates estrogen receptor activity. The study suggests that TRIM24 could be a therapeutic target to prevent breast tumorigenesis.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalNature·DateDec 15, 2010
Fluke 87V Industrial Digital Multimeter

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

MDMA: Empathogen or love potion?

Research suggests that MDMA produces empathogenic effects, increasing feelings of friendliness, playfulness, and loving feelings in individuals. However, it also reduces the ability to recognize facial expressions of fear, potentially leading to increased social risk-taking.

SourceElsevier·JournalBiological Psychiatry·DateDec 15, 2010

Hospice care increasing for nursing home patients with dementia

A new study finds that the proportion of nursing home residents with dementia benefiting from Medicare hospice care nearly tripled between 1999 and 2006, with duration of care more than doubling. This trend has implications for policymakers seeking to control Medicare costs while preserving access to essential end-of-life care.

SourceBrown University·DateDec 15, 2010

A positive mood allows your brain to think more creatively

A recent study published in Psychological Science found that a positive mood enhances creative problem solving and flexible yet careful thinking. Volunteers who listened to happy music and watched funny videos performed better on a category learning task than those in negative moods.

SourceAssociation for Psychological Science·JournalPsychological Science·DateDec 15, 2010

Second brain death exam may be unnecessary, hurt organ donation rates

A new study suggests that requiring a second brain death exam may be unnecessary and can lead to prolonged family suffering while waiting for the exam. The study found that no one declared brain dead in the first exam was found to have restored brain stem function in the second exam.

SourceAmerican Academy of Neurology·JournalNeurology·DateDec 15, 2010
Celestron NexStar 8SE Computerized Telescope

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

Nanomaterials in our environment

A study by the University of Kentucky found that earthworms can absorb copper nanoparticles present in soil, raising concerns about potential exposure to humans and animals. The research has significant implications for understanding the interactions of nanomaterials in the environment.

SourceAmerican Society of Agronomy·JournalJournal of Environmental Quality·DateDec 15, 2010

New research shows dolphin by-catch includes genetic relatives

A new genetic analysis published in PLoS One found that Franciscana dolphins entangled in fishing nets are more likely to be mother-offspring pairs, leading to reduced genetic diversity and reproductive potential. The study's findings have significant implications for the conservation of small marine mammals.

SourceAmerican Museum of Natural History·JournalPLOS ONE·DateDec 15, 2010

Cyclone lasting more than 5 years is detected on Saturn

A cyclone on Saturn has been detected to last more than 5 years, making it the longest-lasting cyclone recorded on a giant planet. The cyclone, similar in size to Europe, was tracked using images from the Cassini probe and found to have a weak circulation with properties similar to its surroundings.

SourceSpanish Foundation for Science and Technology·JournalIcarus·DateDec 15, 2010
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.

Toxic toy crisis requires fresh solutions

A new analysis by ACS suggests that banning toxic substances in toys and children's products is crucial. The authors recommend government action, including restrictions on well-documented toxins, and industry-wide efforts to establish safe production practices.

SourceAmerican Chemical Society·JournalEnvironmental Science & Technology·DateDec 15, 2010

Feast, famine and the genetics of obesity: You can't have it both ways

Researchers discovered a genetic link between the gene CRTC3 and obesity. Mice lacking the gene were protected from weight gain on high-fat diets, suggesting that increased brown fat cells may control obesity. Human studies also found a higher incidence of obesity in individuals with an active version of the gene.

SourceSalk Institute·JournalNature·DateDec 15, 2010

Study classifies and uses artificial proteins to analyze protein-protein interfaces

Researchers found that approximately 90% of protein-protein interfaces have close structural neighbors, and most interfaces are roughly planar. The study suggests that the interfaces' structures depend on simple physics principles and are primed for promiscuity, which could help explain biological phenomena and inform drug discovery.

SourceGeorgia Institute of Technology·JournalProceedings of the National Academy of Sciences·DateDec 15, 2010
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.

New discoveries make it harder for HIV to hide from drugs

Researchers have made significant breakthroughs in understanding how HIV mutates and evades treatment, providing new insights into developing better tests and treatments for patients. The study found that a specific mutation allows the virus to resist two main families of drugs, highlighting the need for tailored therapies.

SourceUniversity of Missouri School of Medicine·JournalJournal of Biological Chemistry·DateDec 15, 2010

deCODE discovers genetic markers that improve the power of PSA testing for detecting prostate cancer

Scientists from deCODE genetics and academic colleagues report discovering genetic markers that impact individual baseline levels of prostate-specific antigen (PSA). Analyzing four SNPs in tandem with genetic risk factors detected by the deCODE ProstateCancer test yields substantial improvement in PSA screening efficacy.

SourcedeCODE genetics·JournalScience Translational Medicine·DateDec 15, 2010

SIDS spikes on New Year's Day

A US study suggests a link between sudden infant death syndrome and alcohol consumption by caretakers, particularly on New Year's Day. The research found that SIDS deaths rose by 33% on this day, with no similar spike observed during other holidays or weekends.

SourceUniversity of California - San Diego·JournalAddiction·DateDec 15, 2010

Doctors on Facebook risk compromising doctor-patient relationship

A survey of 405 postgraduate trainee doctors found that nearly three-quarters had a Facebook profile, with many sharing personal information and photos. The authors warn that this could lead to an ethically problematic situation if patients access their profiles, as it may be misinterpreted outside its original context.

SourceBMJ Group·JournalJournal of Medical Ethics·DateDec 15, 2010

Blood-sucking superbug prefers taste of humans

Researchers at Vanderbilt University have discovered that Staphylococcus aureus bacteria favor human hemoglobin over other animal hemoglobins, which may contribute to why some people are more susceptible to staph infections. Genetic variations in hemoglobin could be a key factor in individual susceptibility to these infections.

SourceVanderbilt University Medical Center·JournalCell Host & Microbe·DateDec 15, 2010
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.

Warning lights mark shellfish that aren't safe to eat

A new shellfish marker developed by University of California, San Diego researchers enables the detection of toxin-producing dinoflagellates in shellfish. The marker reveals fluorescent tags on dinoflagellates, indicating potential food poisoning risks, and can be used to develop early warning systems for aquaculturists.

SourceUniversity of California - San Diego·JournalChemical Communications·DateDec 15, 2010

Body fat distribution associated with a higher risk of ER-negative breast cancer

A study found that body fat distribution is associated with an increased risk of ER-negative breast cancer. Abdominal adiposity was more strongly linked to ER-negative breast cancer than ER-positive breast cancer, suggesting sex hormone-independent pathways may be involved.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateDec 15, 2010

Meteorite just one piece of an unknown celestial body

Researchers expand study of 2008 TC3 meteorite, finding diverse oxygen isotopes that suggest the asteroid's source had a complex formation history. The discovery has significant implications for our understanding of the meteorite's origin and potential connections to other celestial bodies.

SourceCarnegie Institution for Science·JournalMeteoritics and Planetary Science·DateDec 15, 2010
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.

Satellites give an eagle eye on thunderstorms

Researchers at the University of Wisconsin-Madison found that satellite data can significantly improve forecast accuracy for thunderstorms, which can bring intense rain, hail, lightning, and tornadoes. By incorporating upper atmosphere conditions into storm prediction models, scientists can better anticipate severe weather events.

SourceUniversity of Wisconsin-Madison·DateDec 15, 2010

UNC scientists discover potential strategy to improve cancer vaccines

Researchers found that inactivating the NLRP3 protein can increase the effectiveness of therapeutic cancer vaccines. This discovery may lead to more effective cancer treatments and is the first to link immature myeloid cells, NLRP3, and vaccine response.

SourceUniversity of North Carolina Health Care·JournalCancer Research·DateDec 15, 2010

Preteen conduct problems leads to teenage serious violence and delinquency

A new Université de Montréal study examines early indicators of a criminal lifestyle in preteens. The findings reveal that children with conduct disorders are six times more likely to sell illicit drugs, nine times more likely to join a gang, and eight times more likely to be arrested.

SourceUniversity of Montreal·JournalJournal of Child Psychology and Psychiatry·DateDec 15, 2010

UNH space physicist honored as American Geophysical Union Fellow

Eberhard Möbius, a professor at the University of New Hampshire, has been recognized as a Fellow of the American Geophysical Union for his exceptional scientific contributions to space plasma physics. His work on pickup ions in the solar wind and the development of state-of-the-art instrumentation have far-reaching applications in gala...

SourceUniversity of New Hampshire·DateDec 15, 2010
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.

Opportunity leads to promiscuity among squirrels, study finds

Research by University of Guelph scientists reveals that female squirrel behavior is driven by opportunities for mating, rather than genetic influences. The study found that females tend to mate with multiple males in a single heat cycle, despite potential risks such as increased energy expenditure and predator exposure.

SourceUniversity of Guelph·JournalBiology Letters·DateDec 15, 2010

Scientists decode secrets of a very common virus that can cause cancer

Researchers at Duke University Medical Center have identified a major pathway that infected cells use to root out Epstein-Barr virus infections, which can cause cancer in people with compromised immune systems. The study found that two enzymes play a critical role in mediating this response and preventing unchecked cell growth.

SourceDuke University Medical Center·JournalCell Host & Microbe·DateDec 15, 2010

Insight offers new angle of attack on variety of brain tumors

A new research paper published in the Journal of the National Cancer Institute reveals a genetic mutation that leads to abnormal metabolic processes in gliomas, potentially leading to targeted therapies. The study shows that almost all tumors with IDH mutations have the same methylation pattern.

SourceBrown University·JournalJNCI Journal of the National Cancer Institute·DateDec 15, 2010
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.

Researchers discover compound with potent effects on biological clock

A team of researchers from the University of California - San Diego discovered a molecule dubbed 'longdaysin' with the most potent effects on the biological clock, slowing it down by more than 10 hours in larval zebra fish. The compound could be used to treat severe sleep disorders or quickly reset jet-lagged travelers' clocks.

SourceUniversity of California - San Diego·JournalPLOS Biology·DateDec 15, 2010
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.

Cilantro ingredient can remove foul odor of holiday chitlins

Scientists have discovered that cilantro's (E,E)-2,4-Undecadienal compound effectively eliminates the strong smell of chitlins. The ingredient can suppress odor at very low concentrations, equivalent to about 10 drops in an Olympic-size pool.

SourceAmerican Chemical Society·JournalJournal of Agricultural and Food Chemistry·DateDec 15, 2010

Software improves understanding of mobility problems

A new software tool visualizes biomechanical data to help professionals understand and address mobility challenges. This improves diagnostic, therapeutic, communication, and education procedures, leading to better-designed products and healthcare strategies. The tool has the potential to enhance quality of life for older people.

SourceEconomic & Social Research Council·DateDec 15, 2010

Close proximity leads to better science

Researchers found that papers with authors in the same building were cited 45% more than those in different buildings. The closer first and last authors are located, the more impactful the paper is, according to a new Harvard study.

SourcePLOS·JournalPLOS ONE·DateDec 15, 2010

Seaweed as biofuel? Metabolic engineering makes it a viable option

A University of Illinois research team has developed a strain of yeast that can efficiently ferment galactose, a key component of seaweed, making it a viable option for biofuel production. The discovery improves the economic viability of marine biofuels by increasing fermentation rates and reducing production costs.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalBiotechnology and Bioengineering·DateDec 15, 2010
Meta Quest 3 512GB

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

p53 determines organ size

A study published in PLoS Biology found that p53 determines organ size by regulating tissue growth. The protein's activation in response to stress leads to a coordinated reduction in the growth of healthy tissues, allowing damaged areas to repair themselves.

SourceInstitute for Research in Biomedicine (IRB Barcelona)·JournalPLOS Biology·DateDec 15, 2010

Fabric softener sheets repel gnats

A recent study published in HortScience found that Bounce fabric softener sheets can repel adult gnats, with a mean proportion of fungus gnat adults collected being significantly lower in sample compartments containing dryer sheets. The study attributed the effect to volatile compounds such as linalool and beta-citronellol.

SourceAmerican Society for Horticultural Science·JournalHortScience·DateDec 15, 2010

New colonoscopy skills assessment tool developed for trainees

A new colonoscopy skills assessment tool, MCSAT, was developed to evaluate cognitive and motor skills in trainees. The tool provides a standardized method to assess individual progress and establish normal learning curves.

SourceAmerican Society for Gastrointestinal Endoscopy·JournalGastrointestinal Endoscopy·DateDec 15, 2010
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.

University of Toronto computer scientist awarded 2010 Steacie Prize

Aaron Hertzmann, a professor at the University of Toronto's Department of Computer Science, has received the 2010 Steacie Prize for his exceptional contributions to computer graphics and machine learning research. His work focuses on applying machine-learning techniques to resolve complex problems in computer graphics.

SourceUniversity of Toronto·DateDec 15, 2010