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Science News for December 7, 2009


Childhood traumas linger as health risk factors for adults

Research from the Dunedin Multidisciplinary Health and Development Study found that childhood abuse, neglect, social isolation or economic hardship can affect nervous, immune and endocrine functioning in adulthood. Adults who experienced these traumas were more likely to exhibit depression, chronic inflammation and metabolic markers of...

SourceKing's College London·JournalArchives of Pediatrics and Adolescent Medicine·DateDec 7, 2009

EPSRC invests £13 million in the future of maths

The EPSRC has invested £13 million in three new mathematical sciences Centres for Doctoral Training at Lancaster University, University of Cambridge and University of Warwick. These centres will train at least 40 students over seven years and focus on statistics, analysis and applied mathematics.

SourceEngineering and Physical Sciences Research Council·DateDec 7, 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.

Second-line CML drugs evoke faster response than front-line therapy

Researchers at the University of Texas M.D. Anderson Cancer Center have found that second-line CML drugs, such as nilotinib and dasatinib, provide quicker and better responses compared to traditional front-line therapy, imatinib. The studies show improved complete cytogenetic response rates and major molecular response rates in patient...

SourceUniversity of Texas M. D. Anderson Cancer Center·DateDec 7, 2009

Now where was I again?

Researchers found that even short interruptions can lead to longer completion times due to cognitive focus disruption. The study suggests designing pop-ups with minimal visual impact and providing time for users to rehearse their place before resuming tasks.

SourceEconomic & Social Research Council·DateDec 7, 2009
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.

The thalamus, middleman of the brain, becomes a sensory conductor

New studies demonstrate the thalamus' importance in sensory processing, refuting its previous view as a passive relay station. The structure is found to be involved in higher-order cortical functioning, including auditory and visual systems.

SourceUniversity of Chicago Medical Center·JournalNature Neuroscience·DateDec 7, 2009

Super cool atom thermometer

Researchers create a thermometer capable of measuring temperatures as low as tens of trillionths of a degree above absolute zero. By leveraging the magnetization of atoms in a magnetic field, scientists were able to extract temperature information from easily measurable properties.

SourceAmerican Physical Society·JournalPhysical Review Letters·DateDec 7, 2009

White, but not pure

Researchers detected low concentrations of polychlorinated biphenyls (PCBs) on Aconcagua Mountain, indicating that mountain ranges can trap persistent organic pollutants. The findings suggest a need to investigate the role of mountains in spreading pollutants and associated risks.

SourceHelmholtz Association·JournalEnvironmental Chemistry Letters·DateDec 7, 2009

New screening tool helps identify children at risk

A new newborn exam, the NICU Network Neurobehavioral Scale (NNNS), has been developed to identify infants at risk of developmental problems. The exam identified five distinct neurobehavioral profiles, with poor performance linked to behavior problems, school readiness issues, and low IQ.

SourceBrown University·JournalPEDIATRICS·DateDec 7, 2009

Deaths related to narcotic pain relievers have doubled since 1991: Study

A study led by St. Michael's Hospital found that deaths from opioid use in Ontario doubled between 1991 and 2004, with a five-fold increase in oxycodone-related deaths after OxyContin was introduced in 2000. Most opioid-related fatalities were accidental, and most people who died had visited a doctor recently.

SourceSt. Michael's Hospital·JournalCanadian Medical Association Journal·DateDec 7, 2009
Apple iPhone 17 Pro

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

Snowflake chemistry could give clues about ozone depletion

Researchers studying snowflake shape and chemical reactions on their surface may uncover clues about ground-level ozone loss in the Arctic. The unique shapes of snow crystals, influenced by temperature and humidity, can affect the rate of chemical reactions that reduce ozone levels at ground level.

SourcePurdue University·JournalAtmospheric Chemistry and Physics·DateDec 7, 2009

Decline in breast cancer: Not just because of hormone therapy

Researchers found that only 3% of breast cancer decline is due to decreased hormone therapy use, while the remaining 4% remains unexplained. Additional studies are needed to determine the source of this unexpected decline in breast cancer cases.

SourceAmerican Association for Cancer Research·DateDec 7, 2009

Researchers demonstrate nanoscale X-ray imaging of bacterial cells

Researchers have produced the first images of biological cells using a nanoscale X-ray imaging technique called ptychography. The technique enables accurate maps of electron density in biological samples, which could yield important insights for evolutionary biology and biotechnology.

SourceTechnical University of Munich (TUM)·JournalProceedings of the National Academy of Sciences·DateDec 7, 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.

Study shows nearly 1/3 of human genome is involved in gingivitis

A new study published in the Journal of Periodontology found that nearly 30% of human genes are expressed differently during gingivitis onset and healing. Biological pathways associated with immune system activation were identified as critical to controlling the body's reaction to plaque build-up.

SourceSpectrum Science·JournalJournal of Periodontology·DateDec 7, 2009

Hunt for Higgs boson: Mass of top quark narrows search

Physicists have improved measurements of the top quark's mass, which bears on the nature of the Higgs boson. The new world average value constrains the range of possible Higgs measurements more tightly than ever.

SourceSouthern Methodist University·JournalPhysical Review D·DateDec 7, 2009

December 2009 Geosphere highlights

The December 2009 Geosphere issue examines the Stateline fault along the California-Nevada border, revealing right-lateral deformation and extension. The study also investigates crystal-rich magmas of the Tuolumne batholith in the Sierra Nevada range, exploring magma chamber formation and physical processes.

SourceGeological Society of America·JournalGeosphere·DateDec 7, 2009

Emotions an overlooked key to whistle-blowing, study says

A University of Illinois study suggests that connecting with workers' emotions and personal identity can produce powerful triggers for calling out wrongdoing in the workplace. The study found that half of employees who witnessed wrongdoing on the job failed to report it due to fear of retaliation, but those who did reported being drive...

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalBusiness Ethics Quarterly·DateDec 7, 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.

HIV-related memory loss linked to Alzheimer's protein

New research suggests HIV-related cognitive deficits share a common link with Alzheimer's-related dementia: low levels of the protein amyloid beta in spinal fluid. This study can help find the cause of cognitive impairment in HIV patients and may impact new Alzheimer's treatments.

SourceWashU Medicine·JournalNeurology·DateDec 7, 2009

Dip ordinary paper into ink infused with nanotubes and nanowires to create an instant battery

Researchers at Stanford University have developed a method to produce ultra-lightweight, bendable batteries and supercapacitors using ordinary paper coated with carbon nanotubes and silver nanowires. The paper-based energy storage devices can store and discharge electricity rapidly and are highly durable.

SourceStanford University·JournalProceedings of the National Academy of Sciences·DateDec 7, 2009

Deaths from opioid use have doubled, 5-fold increase in oxycodone deaths

A new study found that opioid-related deaths in Ontario, Canada have doubled since 1991, with a significant increase in oxycodone-related deaths. Most of these additional deaths were accidental, and the study suggests that increased rates of opioid prescriptions are a major factor in these deaths.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateDec 7, 2009
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.

West Nile virus infection may persist in kidneys years after initial infection

A new study finds that West Nile virus can remain in the kidneys of infected individuals for years, potentially causing chronic symptoms and kidney failure. Researchers collected urine samples from patients with severe initial infections and detected viral RNA for at least six years following infection.

SourceInfectious Diseases Society of America·JournalThe Journal of Infectious Diseases·DateDec 7, 2009

Tiny RNA has big impact on lung cancer tumors

Researchers from Yale University and Mirna Therapeutics, Inc., used a naturally occurring tumor suppressor microRNA to reverse the growth of lung tumors in mice. The study found that let-7, a type of micro-RNA, reduced tumors by 66% in mice with non-small cell lung cancer.

SourceYale University·JournalOncogene·DateDec 7, 2009

Cosmic rays hunted down

Washington University physicists are tracking down the source of cosmic rays using imaging atmospheric Cherenkov telescopes. The correlation between high cosmic-ray density and supernova rate in a starburst galaxy provides powerful evidence for supernova acceleration, long suspected to be the origin of these particles.

SourceWashington University in St. Louis·JournalNature·DateDec 7, 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.

Antidepressant may change personality while relieving symptoms

A study found that antidepressants can change personality traits like neuroticism and extraversion while alleviating depressive symptoms. Individuals taking the medication reported significant decreases in neuroticism and increases in extraversion compared to those receiving placebo or cognitive therapy.

SourceJAMA Network·JournalArchives of General Psychiatry·DateDec 7, 2009

Fit teenage boys are smarter

Research by University of Southern California scientists found a positive association between adolescent fitness and adult cognitive performance. Fit teenage boys scored higher on intelligence tests, logical performance, and mechanical skills, while muscle strength did not have a similar impact.

SourceUniversity of Southern California·JournalProceedings of the National Academy of Sciences·DateDec 7, 2009

Munich lab demonstrates diesel truck engine with barely measurable emissions

Researchers at TUM have developed a probe to take samples directly from the combustion chamber while running, aiming to discover soot formation methods and develop new emissions control techniques. The engine produces barely measurable nitrogen oxides and soot particles per kilometer, surpassing Euro 6 Norm standards.

SourceTechnical University of Munich (TUM)·DateDec 7, 2009
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.

African computer scientists recognized

Three African scientists have been awarded the inaugural TWAS-AAS-Microsoft Award for Young Scientists for their outstanding contributions to science and development in Africa. Youcef Bentoutou, Omar Fakih Hamad, and Tshilidzi Marwala will receive a cash prize of €7,000 each.

SourceTWAS·DateDec 7, 2009

New technology could boost disease detection tests' speed and sensitivity

A Yale University team developed a method to rapidly manipulate and sort cells in blood using magnetizable liquids. This technique could dramatically improve the speed and sensitivity of tests for cancer biomarkers, blood disorders, viruses, and other diseases.

SourceYale University·JournalProceedings of the National Academy of Sciences·DateDec 7, 2009

Caffeine doesn't reverse the negative cognitive impact of alcohol, study shows

A new study finds that consuming caffeinated 'alcohol-energy' drinks with alcohol may lead to impaired cognitive function and increased risk of disasters. Caffeine does not reverse the negative impact of alcohol on cognition, making people more likely to believe they are not intoxicated.

SourceAmerican Psychological Association·JournalBehavioral Neuroscience·DateDec 7, 2009
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.

Spices halt growth of breast stem cells, U-M study finds

Researchers at the University of Michigan Comprehensive Cancer Center found that compounds derived from turmeric and pepper can decrease stem cells while having no effect on normal differentiated cells. This suggests a potential role for curcumin and piperine in preventing breast cancer by targeting stem cells.

SourceMichigan Medicine - University of Michigan·JournalBreast Cancer Research and Treatment·DateDec 7, 2009

New computer model could lead to safer stents

A new computer model explains why certain drugs released from stents can cause blood clots and heart attacks, by predicting drug distribution in branched arteries. The findings could aid the FDA in its approval process for stents and lead to safer stent designs.

SourcePLOS·JournalPLOS ONE·DateDec 7, 2009

Study links factors to choice of infant sleep position

A study has identified three key factors linked to the choice of infant sleep position: physician recommendations, fear of choking, and comfort concerns. Back sleeping remains the most effective means to reduce SIDS risk, with a significant decrease in rates since the Back to Sleep campaign began.

SourceNIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development·JournalArchives of Pediatrics and Adolescent Medicine·DateDec 7, 2009

New platinum compound shows promise in tumor cells

MIT chemists develop a new platinum compound called mitaplatin that selectively destroys tumor cells while leaving normal cells intact. The compound combines cisplatin and dichloroacetate to target cancer cells' altered mitochondrial properties.

SourceMassachusetts Institute of Technology·JournalProceedings of the National Academy of Sciences·DateDec 7, 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.

Difficult childhood may increase disease risk in adulthood

A study found that individuals who experienced psychological or social adversity in childhood may develop lasting emotional, immune, and metabolic abnormalities that increase the risk of age-related diseases. Adverse childhood experiences were linked to depression, high inflammation levels, and metabolic risk factors in adulthood.

SourceJAMA Network·JournalArchives of Pediatrics and Adolescent Medicine·DateDec 7, 2009

MIT takes step toward airport scanners that can identify explosives

Researchers at MIT have developed a new method to tune terahertz quantum cascade lasers, enabling the creation of compact and tunable scanners capable of identifying explosives. The technique involves manipulating the transverse mode of the laser using a mechanical lever, allowing for precise control over the emitted frequency.

SourceMassachusetts Institute of Technology·JournalNature Photonics·DateDec 7, 2009

Quitting smoking can reverse asthma-inducing changes in lungs

Asthmatic smokers may be able to reverse damage to their lungs by quitting cigarettes. The research found that cigarette smoke increases the thickness of lung lining and negatively affects nitric oxide levels, leading to more severe symptoms.

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateDec 7, 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.

Study shows gene positions may aid cancer diagnosis

Researchers have identified genes that switch their nuclear position in tumor cells, offering a potential new method of diagnosing cancer. The study found that eight genes consistently relocated in the nuclei of invasive breast cancer cells, allowing for accurate diagnosis with success rates similar to current clinical tests.

SourceRockefeller University Press·JournalJournal of Cell Biology·DateDec 7, 2009

Higher risk for heart disease and diabetes associated with androgen deprivation therapy

A new study published in the Journal of the National Cancer Institute found that treatment with gonadotropin-releasing hormone agonists increases the risk of incident diabetes among men of all ages diagnosed with local or regional prostate cancer. The study also found an increased risk of cardiovascular disease, including coronary hear...

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateDec 7, 2009

Transcription factors guide differences in human and chimp brain function

Researchers found that broad differences in gene activity between humans and chimps are coordinated by about 90 transcription factors, which affect nearly 1,000 genes. This suggests a unique regulatory mechanism in the human brain that allows for larger brains and different organ functions.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalProceedings of the National Academy of Sciences·DateDec 7, 2009

Omega-3 fatty acids may reduce risk of colon cancer

A study found that long-chain omega-3 fatty acid intake was linked to a reduced risk of distal large bowel cancer in white participants. However, the association was not observed among black participants. The researchers suggest an increase in dietary omega-3 fatty acids may be beneficial for colon cancer prevention.

SourceAmerican Association for Cancer Research·DateDec 7, 2009

Air Force-funded research is shattering traditioinal notions of laser limits

Researchers have successfully demonstrated the world's smallest semiconductor laser, paving the way for ultra-sensitive bio-detection, nanoscale optics, and enhanced communication systems. The breakthrough technology has potential applications in various fields, including healthcare, optics-based telecommunications, and optical computing.

SourceAir Force Office of Scientific Research·DateDec 7, 2009
Fluke 87V Industrial Digital Multimeter

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

UOG and Guam Navy donate endangered cycad plants to Tinian

The University of Guam and the Guam Navy have partnered to conserve the endangered fadang cycad species on Tinian, which faces threats from alien insect invasions. The donation of over 200 plants aims to establish a safe haven for the species in case all plants on Guam are killed.

SourceUniversity of Guam·DateDec 7, 2009

Mayo Clinic researchers prove key cancer theory

Researchers demonstrate how aneuploidy, or abnormal number of chromosomes, causes cancer by eliminating tumor suppressor genes. The findings provide a new understanding of the mechanism underlying cancer development and may lead to targeted therapies.

SourceMayo Clinic·JournalCancer Cell·DateDec 7, 2009

AACR names Perou 2009 Outstanding Investigator for Breast Cancer Research

Charles M. Perou has been awarded the AACR's 2009 Outstanding Investigator Award for his groundbreaking research on breast cancer subtypes and racial disparities in diagnosis. His findings have led to a reevaluation of treatment approaches, with his work being incorporated into clinical practice worldwide.

SourceUniversity of North Carolina Health Care·DateDec 7, 2009

Metamaterials could reduce friction in nanomachines

A new class of materials may allow nanoscale machines to overcome mechanical friction by harnessing a quantum phenomenon known as the Casimir effect. Chiral metamaterials have been found to exert a repulsive force when placed in close proximity, enabling potential applications in industry, energy, and medicine.

SourceDOE/Ames National Laboratory·JournalPhysical Review Letters·DateDec 7, 2009

NRL's MISSE7 launched aboard STS-129

The experiment aims to understand the durability of advanced materials and electronics when exposed to vacuum, solar radiation, atomic oxygen, and extreme temperatures. The results will provide insights into increasing the performance and useful life of next-generation satellites and launch systems.

SourceNaval Research Laboratory·DateDec 7, 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.

December 2009 Lithosphere highlights

The study examines crustal melting during continental subduction, revealing evidence of igneous diapirism and its impact on mountain belts. Researchers also investigate the weight of the Andes affecting the continental crust and correlate the Mocha fracture zone with orogenic uplift.

SourceGeological Society of America·JournalLithosphere·DateDec 7, 2009

New approach to sickle cell disease shows promise in mice

Researchers at Boston Children's Hospital have found a promising new approach to treating sickle cell disease by silencing a gene that suppresses fetal hemoglobin production. Inactivating the BCL11A gene led to a significant increase in gamma-globin production, potentially compensating for defective adult hemoglobin.

SourceBoston Children's Hospital·DateDec 7, 2009

Severity of swine flu in the United States

Researchers combined large datasets from Milwaukee and New York City to estimate swine flu severity, finding most deaths occur in non-elderly adults. The study suggests the autumn-winter pandemic wave should have a death toll only slightly higher than or lower than seasonal influenza.

SourcePLOS·JournalPLOS Medicine·DateDec 7, 2009
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.

With amino acid diet, mice improve after brain injury

Researchers found that feeding amino acids to brain-injured mice restored cognitive abilities and improved learning capacity. The study suggests that dietary intervention could restore a proper balance of neurochemicals in the injured part of the brain.

SourceChildren's Hospital of Philadelphia·JournalProceedings of the National Academy of Sciences·DateDec 7, 2009

Pitt study suggests craving hinders comprehension without your realizing it

A new University of Pittsburgh study reveals that cigarette craving disrupts an individual's meta-awareness, making it harder to notice when the mind has wandered. Participants who craved cigarettes were more likely to acknowledge mind-wandering episodes, but their ability to recognize these episodes was impaired.

SourceUniversity of Pittsburgh·JournalPsychological Science·DateDec 7, 2009

Playing favorites: Parents still involved after children are grown

New research from Purdue University finds that middle-aged parents help each of their grown children with many types of support every few weeks. Parents are particularly eager to help the child they consider most successful, indicating a complex dynamic where parental involvement is motivated by a desire for reflection and validation.

SourcePurdue University·JournalJournal of Marriage and Family·DateDec 7, 2009

How to read brain activity?

Researchers have found that specific waves in EEG signals can reliably predict neural activity in the brain. By combining EEG and direct neuron recordings, scientists identified a link between 'frequency band coupling' and cell firing rates.

SourceMax-Planck-Gesellschaft·JournalNeuron·DateDec 7, 2009

Delivering medicine directly into a tumor

Researchers have identified a peptide called iRGD that specifically targets and penetrates cancerous tumors, delivering diagnostic particles and medicines. This breakthrough could improve cancer treatment and reduce side effects.

SourceSanford Burnham Prebys·JournalCancer Cell·DateDec 7, 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.

Type 2 diabetes gene predisposes children to obesity

Researchers have discovered a link between a genetic variant and childhood obesity, which may contribute to the development of type 2 diabetes. The study suggests that this gene variant raises the risk of being overweight during childhood, potentially setting the stage for type 2 diabetes in adulthood.

SourceChildren's Hospital of Philadelphia·JournalDiabetes·DateDec 7, 2009

In cancer-ridden rats, loneliness can kill

Research at Yale University and the University of Chicago found that socially isolated female rats developed more tumors and more malignant types than their group-living counterparts. The study suggests a link between social isolation and cancer susceptibility, particularly in psychiatric disorders.

SourceYale University·JournalProceedings of the National Academy of Sciences·DateDec 7, 2009
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.

Exercise reduces death rate in prostate cancer patients

Men with prostate cancer who engage in moderate exercise have improved overall survival, while vigorous exercise may decrease death rates from prostate cancer. Researchers found that three or more hours of physical activity per week lowered mortality risk by 35%.

SourceAmerican Association for Cancer Research·DateDec 7, 2009

Validity of cost-effectiveness models based on randomized clinical trials

A new study suggests that cost-effectiveness analyses based on data from randomized clinical trials may not be realistic enough to accurately inform policy. The researchers found a significant difference in cost-effectiveness between two painkillers when using routine clinical practice data compared to trial data.

SourcePLOS·JournalPLOS Medicine·DateDec 7, 2009

Self-destructing bacteria improve renewable biofuel production

A team of researchers from Arizona State University has developed a process that removes a key obstacle to producing lower-cost, renewable biofuels. The team has programmed a photosynthetic microbe to self-destruct, making the recovery of high-energy fats and their biofuel byproducts easier and potentially less costly.

SourceArizona State University·JournalProceedings of the National Academy of Sciences·DateDec 7, 2009

New York autopsies show 2009 H1N1 influenza virus damages entire airway

Autopsies show that the 2009 H1N1 virus causes damage to both upper and lower respiratory tracts, with evidence of secondary bacterial infection present in over half of victims. The study also highlights the impact on younger people and the importance of identifying and treating severe infections.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalArchives of Pathology & Laboratory Medicine·DateDec 7, 2009
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.

Microbes help mothers protect kids from allergies

Researchers found that exposure to environmental bacteria triggers a mild inflammatory response in pregnant mice, rendering their offspring resistant to allergies. This protective mechanism could potentially prevent allergies in people by conditioning the developing immune system to tolerate microbes and allergens.

SourceRockefeller University Press·JournalJournal of Experimental Medicine·DateDec 7, 2009

Isolation and stress identified as contributing to breast cancer risk

Researchers found a 3.3-fold increase in cancer risk among isolated rats with naturally occurring mammary tumors. Isolation and stress led to higher production of corticosterone, a stress hormone, and increased tumor growth. The study suggests a causal relationship between social interaction and disease.

SourceUniversity of Chicago·JournalProceedings of the National Academy of Sciences·DateDec 7, 2009

Absence of evidence for a meteorite impact event 13,000 years ago

An international team of scientists led by François Paquay found high iridium concentrations in sediments but could not replicate results. Additional lines of evidence failed to support an impact theory for the onset of the Younger Dryas cold period, contradicting a previously proposed conceptually appealing theory.

SourceUniversity of Hawaii at Manoa·JournalProceedings of the National Academy of Sciences·DateDec 7, 2009

Facebook (and systems biologists) take note: Network analysis reveals true connections

Researchers developed a universal method to analyze complex networks, including social networks, protein-protein interactions, and air transportation networks. The method accurately predicts missing and spurious connections by averaging all possible groupings of nodes, giving each grouping a weight that reflects its explanatory power.

SourceNorthwestern University·JournalProceedings of the National Academy of Sciences·DateDec 7, 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.

Getting a 'Head Start' on obesity prevention

A Temple University study found that 70% of Head Start programs only serve non-fat milk, 94% offer vegetables daily, and 97% provide fruit daily. The program also provides over 60 minutes of unstructured physical activity per day.

SourceTemple University·JournalArchives of Pediatrics and Adolescent Medicine·DateDec 7, 2009

Biogen Idec's oral compound BG-12 achieves development milestones in MS and RA

BG-12, an investigational oral therapy, shows promising results in reducing inflammation and neuroprotection in patients with relapsing-remitting multiple sclerosis (RRMS) and rheumatoid arthritis (RA). The compound has activated the Nrf2 pathway, which defends against oxidative-stress induced neuronal death and supports myelin integrity.

SourceBiogen Idec·DateDec 7, 2009

Don't I know you? University of Toronto research sheds light on memorial retrieval

Researchers from the University of Toronto have discovered that the hippocampus is only activated when context cues enable memory recall. This finding sheds light on the mysterious process of retrieving memories, particularly in individuals with damage to the hippocampus, such as those with Alzheimer's or Epilepsy.

SourceUniversity of Toronto·JournalProceedings of the National Academy of Sciences·DateDec 7, 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.

Improving the odds

Scientists at Weizmann Institute of Science have developed a new method for transplanting bone marrow-based stem cells from mismatched donors, restoring the immune system faster and improving cure rates for leukemia patients. The procedure involves infusing regulatory T cells into cancer patients before receiving donor stem cells, lead...

SourceWeizmann Institute of Science·DateDec 7, 2009

College football linemen take one for the team in terms of health

Researchers found that college football linemen are at risk of obesity, insulin resistance, and metabolic syndrome due to their high body fat percentage. The study suggests that athletes concerned about maintaining a large size should prioritize healthy weight management and nutrition strategies.

SourceOhio State University·JournalMedicine & Science in Sports & Exercise·DateDec 7, 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.

ESC press release: BMI and waist circumference

A large prospective study of over 20,000 Dutch men and women aged 20-65 found that accurately measured BMI and waist circumference can predict the risk of fatal and non-fatal cardiovascular disease. The associations between BMI and waist circumference with heart disease were equally strong, explaining half of all fatal and one quarter ...

SourceEuropean Society of Cardiology·JournalEuropean Journal of Cardiovascular Prevention & Rehabilitation·DateDec 7, 2009

A see-through surprise

Rice University Professor Junichiro Kono and his team discovered a plasmonic material that can either stop or let through terahertz beams with adjustments to temperature and/or magnetic field. This finding helps close the knowledge gap in the electromagnetic spectrum between electronic and photonic devices.

SourceRice University·JournalNature Physics·DateDec 7, 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.

Web searches for religious topics on the rise

Researchers found that religious searching behaviors remained mainstream and technologically savvy, despite secularization trends. Search engines poorly delivered relevant content, likely due to localized religious websites.

SourcePenn State·JournalReligion·DateDec 7, 2009

Urine test for pediatric obstructive sleep apnea possible

Researchers have discovered a urine test technique that can determine whether a child has obstructive sleep apnea (OSA) or habitual snoring. The study found that certain proteins are differently expressed in children with OSA compared to those with habitual snoring or healthy non-snoring children.

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateDec 7, 2009
Meta Quest 3 512GB

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

UCLA researchers demonstrate that stem cells can be engineered to kill HIV

Researchers from UCLA demonstrate that human blood stem cells can be engineered into cells that target and kill HIV-infected cells. This approach, similar to a genetic vaccine, could be effective against other chronic viral diseases. The study provides proof-of-principle for using this strategy in the human body.

SourceUniversity of California - Los Angeles·JournalPLOS ONE·DateDec 7, 2009

The first portrait of a cool planet

Astronomers have directly imaged a faint celestial body orbiting the star GJ 758, estimated to be between 10 and 40 Jupiter masses. The discovered planet, GJ 758 B, has a temperature of around 330 degrees Celsius, making it the coldest companion of a Sun-like star ever imaged.

SourceMax-Planck-Gesellschaft·JournalThe Astrophysical Journal Letters·DateDec 7, 2009

H1N1 more risky than seasonal flu in children with sickle cell disease

Research from Johns Hopkins Children's Center found that children with sickle cell disease who contract H1N1 virus are three times more likely to develop acute chest syndrome and five times more likely to need ICU care. The study highlights the need for these children to be included in flu vaccination lists.

SourceJohns Hopkins Medicine·DateDec 7, 2009

Percentage of babies placed to sleep on their backs levels off

The rate of babies placed on their backs to sleep has plateaued since 2001, despite the Back to Sleep campaign's dramatic decrease in SIDS rates. Racial disparities persist in infant sleeping positions, with African American infants having more than twice the SIDS rate as white infants.

SourceJAMA Network·JournalArchives of Pediatrics and Adolescent Medicine·DateDec 7, 2009
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.