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Science News Archive January 2011 - Page 21


Page 21 of 22

MIT researchers study the danger of toxoplasma parasites

The study found that a specific protein called GRA15 triggers inflammation in the host, leading to brain damage. Researchers hope to develop new drugs or vaccines to block this process and prevent chronic infections.

SourceMassachusetts Institute of Technology·JournalJournal of Experimental Medicine·DateJan 4, 2011

Vitamins C and E linked to metabolic syndrome in low-income Ecuadorians

A study by researchers at Tufts University found a high prevalence of metabolic syndrome in low-income urban community in Ecuador, with vitamins C and E showing a significant relationship. Limited consumption of nutrient-dense foods such as chicken, vegetables, and legumes contributes to the risk.

SourceTufts University, Health Sciences Campus·JournalPublic Health Nutrition·DateJan 4, 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.

'Nanoscoops' could spark new generation of electric automobile batteries

The new nanoscoop material can withstand extremely high rates of charge and discharge, making it ideal for high-power rechargeable lithium-ion batteries for electric automobiles. The technology could potentially be ramped up to suit the demanding needs of batteries for electric vehicles.

SourceRensselaer Polytechnic Institute·JournalNano Letters·DateJan 4, 2011

Wake up and smell the willow

The study found that torrefying plant matter can transform it into a dry, energy-rich fuel that is cheaper and easier to transport. This process could potentially replace coal in power stations and provide a secure energy supply for the future while being sustainable on all levels.

SourceUniversity of Leeds·DateJan 4, 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.

Trust your gut ... but only sometimes

A new study published in Psychological Science finds that the trustworthiness of our intuition is linked to what's happening physically in our bodies. Subtle changes in heart rate and sweat responses affect decision making, with some people relying on intuition to win at a card game.

SourceAssociation for Psychological Science·JournalPsychological Science·DateJan 4, 2011

Team creates novel vaccine that produces strong immunity against cocaine high

Researchers have developed a long-lasting anti-cocaine immunity in mice using a unique vaccine that combines bits of the common cold virus with a particle that mimics cocaine. The approach may offer a simple way to break and reverse cocaine addiction, potentially useful for treating other addictions as well.

SourceScripps Research Institute·JournalMolecular Therapy·DateJan 4, 2011

Detecting esophageal cancer with light

Researchers developed a device using angle-resolved low coherence interferometry to detect pre-cancerous cells in the esophagus lining. The technology holds promise for earlier detection and targeted biopsies, potentially improving treatment outcomes for esophageal cancer.

SourceDuke University·JournalGASTROENTEROLOGY·DateJan 4, 2011
Apple iPhone 17 Pro

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

CEOs rewarded for wrong kind of growth, Rotman paper finds

A new study by Rotman researchers found that CEOs are often rewarded for growth driven by investments rather than improved profitability. This practice can lead to companies prioritizing short-term gains over long-term shareholder value.

SourceUniversity of Toronto, Rotman School of Management·JournalReview of Accounting Studies·DateJan 4, 2011

Oceanic 'garbage patch' not nearly as big as portrayed in media

According to Angelicque White, an assistant professor of oceanography at Oregon State University, the 'Great Garbage Patch' is less than 1% of Texas's geographic size. The amount of plastic in the North Pacific Ocean has not increased tenfold since the 1950s, contrary to previous claims.

SourceOregon State University·DateJan 4, 2011

Porphyromonas gingivalis accelerates inflammatory atherosclerosis in a mouse model

Researchers found that Porphyromonas gingivalis infection accelerates inflammation and atherosclerosis in the innominate artery of mice, characterized by vessel narrowing and perivascular inflammation. The study provides evidence for a link between periodontal disease and systemic cardiovascular diseases.

SourceBoston University School of Medicine·JournalAtherosclerosis·DateJan 4, 2011

JCI online early table of contents: Jan. 4, 2011

Researchers discovered a defect in hair follicle stem cells conversion to progenitor cells in AGA. Aspirin-derived resolvins reduced pro-inflammatory molecules and cells in a mouse model of inflammation. A new approach to vaccine design against systemic fungal infections requires inducing Th17 cells.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateJan 4, 2011
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.

Study finds problems with reviewing medical images from portable media

A recent study by Johns Hopkins University highlights the problems with reviewing medical images from portable media. The research found three main issue areas: access, importability, and viewing problems. Noncompliance with DICOM standards is also a significant problem, which can delay patient care.

SourceAmerican College of Radiology·JournalJournal of the American College of Radiology·DateJan 4, 2011

Vaccine blocks cocaine high in mice

Researchers have developed a lasting anti-cocaine immunity in mice using a safe vaccine combining bits of the common cold virus with a particle mimicking cocaine. The vaccine elicits an immune response that prevents cocaine molecules from reaching the brain, reducing hyperactivity.

SourceNewYork-Presbyterian·JournalMolecular Therapy·DateJan 4, 2011

Europe reins in the smoking habit

A study by the Smoking Control Unit of the Catalan Institute of Oncology confirms that Europe's anti-tobacco laws have a direct effect on reducing tobacco consumption and passive smoke exposure. The European Union countries with stricter controls on smoking show lower consumption rates, particularly in the UK, Ireland, Malta, and Sweden.

SourceSpanish Foundation for Science and Technology·JournalPLOS ONE·DateJan 4, 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.

Watch out for that boom

A recent study from Rhode Island Hospital found that sailing injuries on America's Cup boats are often caused by trips, falls, and collisions with fellow crew members. The majority of severe injuries were to the head, knee, leg, and arm, with heavy weather being a contributing factor in 36% of cases.

SourceLifespan·JournalWilderness and Environmental Medicine·DateJan 4, 2011

Research on obesity targets the brain's use of fatty acids

A new mouse model has been created to study how lipid sensing and metabolism in the brain relate to energy balance and body weight. The research found that mice with a deficiency of lipoprotein lipase in neurons became obese on a standard diet, leading to decreased food intake and increased sedentary behavior.

SourceUniversity of Colorado Anschutz Medical Campus·JournalCell Metabolism·DateJan 4, 2011

Going bald without hair follicle progenitors

A study by George Cotsarelis at the University of Pennsylvania School of Medicine found that balding men retain hair follicle stem cells but lack CD200-rich and CD34-positive progenitor cells. This defect is linked to a transition problem for stem cells, providing potential new therapeutic targets for AGA treatment.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateJan 4, 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.

Estrogen may help precancerous cells spread in oral cavity

Researchers found that estrogen induces the expression of CYP1B1 enzyme in precancerous cells, which promotes their movement and division. Depleting CYP1B1 reduces cell mobility and death in precancerous cells.

SourceAmerican Association for Cancer Research·JournalCancer Prevention Research·DateJan 4, 2011

Fueling the body on fat

A new report reveals a key mechanism linking cellular energy state with whole-body energy state, optimizing fat absorption. Researchers found that the AMPK-SRC-2 pathway plays a crucial role in regulating fat uptake and storage.

SourceCell Press·JournalCell Metabolism·DateJan 4, 2011

University of Illinois research makes plant breeding easier

A new molecular tool helps researchers understand the mechanism of RF genes, leading to rapid advancements in plant breeding. This unified nomenclature allows for easy comparison of unknown gene functions to known ones, improving hybrid technology.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalPLOS ONE·DateJan 4, 2011

New solar cell self-repairs like natural plant systems

Researchers at Purdue University have created a new type of solar cell that can self-repair like natural photosynthetic systems. The technology uses carbon nanotubes and DNA to continuously replace damaged dye molecules, mimicking nature's self-repair mechanism.

SourcePurdue University·DateJan 4, 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.

Parallels between immunity and cancer reported

Research reveals parallels between immunity and cancer, with acute inflammation compared to chronic inflammation in mammals. The immune system that counters parasitoid wasp infections is highly restrained, but goes haywire when regulating mechanism fails, leading to cancer development.

SourceCity College of New York·JournalPLOS Pathogens·DateJan 3, 2011

ATS issues statement on the treatment of pulmonary fungal infections

The American Thoracic Society has released a new statement on the treatment of fungal infections in adult pulmonary and critical care patients, taking into account new medications and treatment approaches. The guidelines cover traditional antifungal agents, newer agents, and rare and emerging fungi.

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateJan 3, 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.

CHOP-led study detects dozens of genes for adult height

A meta-analysis of over 100,000 DNA samples identified variants in two dozen previously unknown height genes, as well as confirmed associations with 30 known height genes. The study used a dense gene chip to discover genetic variants linked to complex traits and diseases.

SourceChildren's Hospital of Philadelphia·JournalAmerican Journal of Human Genetics·DateJan 3, 2011

Child and youth victimization less hidden from authorities

A national survey found that 58.3% of children and teens reported at least one direct victimization in the past year, with 45.7% known to authorities. School authorities were more likely to be aware than police or medical authorities.

SourceJAMA Network·JournalArchives of Pediatrics and Adolescent Medicine·DateJan 3, 2011

Experimental drug more potent, longer lasting than morphine

A new experimental drug, morphine-6-0-sulfate, has been found to be more potent and longer-lasting than standard morphine, with less likelihood of causing constipation. The study, led by Dr. Joseph Holtman Jr., tested the drug on rats and demonstrated its potential clinical advantages compared to morphine.

SourceLoyola Medicine·JournalEuropean Journal of Pharmacology·DateJan 3, 2011

Call for truth in trans fats labeling by the FDA

A recent study by Case Western Reserve University reveals that misleading food labels can lead to excessive trans fat consumption and increased risk of deadly diseases. The FDA's current labeling protocol allows for 'zero grams' of trans fat, masking significant amounts that exceed recommended limits.

SourceCase Western Reserve University·JournalAmerican Journal of Health Promotion·DateJan 3, 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.

January 2011 Geology and GSA Today highlights

Researchers studied ancient rain, microbial life, and ocean islands to understand uplift and climate change. They found that the North American Cordillera was uplifted by ancient rain, while microbial life existed inside fluid inclusions in modern and ancient salt crystals.

SourceGeological Society of America·JournalGeology·DateJan 3, 2011

Resurrecting the so-called 'depression gene'

Researchers at University of Michigan have found that an individual's genetic make-up determines their susceptibility to depression and response to stress. The analysis included nearly 41,000 participants and supported previous findings on the serotonin gene's relationship to depression.

SourceMichigan Medicine - University of Michigan·JournalArchives of General Psychiatry·DateJan 3, 2011

Wastewater treatment lowers pathogen levels

A recent study found that the implementation of federal regulations on treating sewage has significantly lowered pathogen levels in biosolids. The study analyzed data from 18 wastewater treatment plants and found that pathogens have dropped by 94-99% since 1993.

SourceAmerican Society of Agronomy·JournalJournal of Environmental Quality·DateJan 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.

Large-scale study reveals major decline in bumble bees in the US

A large-scale study has found major declines in US bumble bee populations, with four species experiencing a 96% drop in relative abundance and a 23-87% loss of geographic range. The researchers attributed the decline to low genetic diversity, high infection rates with the parasite pathogen, and climate change.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalProceedings of the National Academy of Sciences·DateJan 3, 2011

Peptide delivers 1-2 punch to breast cancer in pre-clinical study

Researchers discovered that the peptide angiotensin-(1-7) inhibits both the growth of human breast tumors and the growth of cancer-associated fibroblasts, reducing tumor size by 40% and fibrosis by 64-75%. This finding offers a potential new treatment option for breast cancer.

SourceAtrium Health Wake Forest Baptist·JournalCancer Research·DateJan 3, 2011

A body temperature sensor, TRPM2, promotes insulin secretion

A research team led by Makoto Tominaga found that TRPM2, a body temperature sensor, plays a crucial role in regulating insulin secretion. In TRPM2-deficient mice, impaired insulin secretion and elevated blood glucose levels were observed.

SourceNational Institute for Physiological Sciences·JournalDiabetes·DateJan 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.

Hair color of unknown offenders is no longer a secret

Researchers have discovered that DNA can accurately predict a person's hair color, including red, black, blond, and brown, with accuracy rates of over 90%, 80% and 70-80%. The new DNA approach allows for differentiation between similar hair colors.

SourceSpringer·JournalHuman Genetics·DateJan 3, 2011

Embargoed news from Annals of Internal Medicine

Colonoscopy significantly reduces the risk of colorectal cancer by up to 90% in both the left and right sides, according to a new study. However, the effectiveness of colonoscopy in preventing cancers on the right side may be limited to older patients.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateJan 3, 2011

Use of amniotic membrane may cause complications in strabismus surgery

Researchers found extensive adhesions and inelastic muscles after using amniotic membrane to prevent postoperative scarring. The use of dried amniotic membrane, rather than frozen, may be the culprit behind these complications.

SourceElsevier Health Sciences·JournalJournal of American Association for Pediatric Ophthalmology and Strabismus·DateJan 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.

Research demonstrates that education programs can increase parent-child interactions

Researchers found that parent education programs delivered through pediatric primary care offices increased verbal interactions between parents and children, leading to improved school readiness. The Video Interaction Project (VIP) and Building Blocks interventions showed significant benefits, including reduced infant television exposure.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalArchives of Pediatrics and Adolescent Medicine·DateJan 3, 2011

Authorities often aware of previous incidents of victimization among children and adolescents

A national survey of over 4,500 children found that nearly half of U.S. youth who experience violence or abuse have at least one incident known to school, police, or medical authorities. The study suggests that authorities are more aware of severe incidents like sexual abuse, but still underestimate many cases.

SourceUniversity of New Hampshire·JournalArchives of Pediatrics and Adolescent Medicine·DateJan 3, 2011

Protein wields phosphate group to inhibit cancer metastasis

A protein called CDK1 deactivates the cancer-causing enzyme EZH2 by attaching a phosphate group, preventing cancer cell migration and invasion. This process also plays a crucial role in bone formation.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalNature Cell Biology·DateJan 3, 2011

Clostridium bacteria infecting increasing numbers of hospitalized children

Hospitalized children in the US are experiencing a rise in Clostridium difficile infections, with increased risks of death, longer hospital stays and colectomy. Certain groups, such as white children and those with private insurance, are more susceptible to infection.

SourceJAMA Network·JournalArchives of Pediatrics and Adolescent Medicine·DateJan 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.

Risk of breast cancer recurrence may depend on treating surgeon

A study published in Journal of the National Cancer Institute found that breast cancer recurrence rates can vary significantly based on the treating surgeon. The researchers analyzed data from over 1,000 women with ductal carcinoma in situ and discovered that positive or close margins following surgery substantially compromised disease...

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateJan 3, 2011