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Science News Archive November 2010


Page 6 of 27

New research from Psychological Science

Adults with insecure attachment styles may have difficulties regulating emotions, leading to increased risk for mental health problems. Cultural differences in the endowment effect suggest that independence and self-enhancement values influence giving up possessions.

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.

Monitoring wear in helicopters -- and hips, knees and ankles, too

Tel Aviv University scientists apply industrial monitoring technique to diagnose diseases like osteoarthritis and assess the efficacy of medications. Bio-ferrography detects nanometer-sized particles, providing objective and quantitative results for early disease detection and orthopedic implant evaluation.

Tobacco: Out of sight, out of mind?

Researchers at the University of Nottingham discovered that removing tobacco displays in shops can change young people's attitudes towards smoking. The number of teenagers who recalled tobacco displays dropped from 81% to 22%, and fewer believed smoking was widespread among their peers.

Scientists question fisheries health test

A widely used biodiversity indicator in fisheries is found to be an ineffective guide to trends in marine ecosystems, according to a new study published in Nature. The researchers recommend more direct monitoring and the development of trend-detection methods to better assess the impacts of fishing on marine biodiversity.

Less invasive method for determining stage of lung cancer shows benefits

A new study finds that a less invasive method for determining lung cancer stage improves detection of metastases and reduces surgical procedures. The method, which combines endosonography and ultrasound, was more effective than traditional surgical staging in identifying patients who needed further treatment.

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.

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.

The spice of life: Variety is also good for hares

A new study published in Molecular Ecology found that hares with genetic variation at a specific gene locus have higher reproductive success, including increased fertility and fecundity. The research suggests that variability at the individual level can provide advantages for survival and reproduction.

Stability is first step toward treating ALS

Researchers at Brandeis University developed a chemical rope to stabilize the SOD1 protein, which causes familial ALS. The approach potentially solves the instability problem, even at high temperatures.

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.

Allotment gardeners reap healthy rewards

A study found that allotment gardeners, especially those over 60, exhibit increased levels of physical activity and better overall health compared to their non-gardening counterparts. The research also suggests that having an allotment can promote healthy aging and lifestyle habits.

Apple iPhone 17 Pro

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

More than half of depression patients give up their treatment

A recent study found that most depression patients (56%) discontinue their treatment within the first four months of medication, while less than a quarter complete therapy for more than 11 months. The researchers suggest that acute depression stages and lower adherence rates are common factors contributing to treatment dropout.

Successful treatment for mice with beta-thalassemia

A team of researchers has successfully treated beta-thalassemic mice by increasing hepcidin levels, which limits iron overload and markedly reduces anemia. This approach suggests a new therapeutic strategy for patients with beta-thalassemia, potentially mitigating iron overload and anemia.

Meta Quest 3 512GB

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

Upper-class people have trouble recognizing others' emotions

A new study published in Psychological Science reveals that lower-class individuals are better at reading emotions than their upper-class counterparts. The researchers found that people from higher social classes performed worse on emotion perception tasks, suggesting they rely less on others for emotional support.

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.

Dr. Oliver Daumke of MDC wins Bayer Early Excellence in Science Award

Dr. Oliver Daumke has won the Bayer Early Excellence in Science Award for his work on G proteins, which play a crucial role in cellular signaling pathways and immune response. His research holds promise for developing new strategies to treat diseases such as cancer, diabetes, and flu.

Exercise may improve complications of deep vein thrombosis

A six-month exercise program improved leg strength and flexibility in patients with post-thrombotic syndrome, a frequent complication of deep vein thrombosis. The study's findings support the potential benefits of exercise training for managing this condition.

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.

Uptake protein acts as zinc's doorway to the cell

Researchers at Brookhaven National Laboratory have discovered that the uptake protein ZIP acts like a door, facilitating zinc entry into cells. Zinc is crucial for cellular growth and health, and understanding its uptake could lead to breakthroughs in biomedical and energy research.

A divide and conquer strategy for childhood brain cancer

Researchers have identified six subtypes of childhood brain cancer medulloblastoma with distinct molecular profiles, allowing for more precise and individualized treatment. The study's findings could lead to the development of biomarkers for improved patient outcomes and more effective treatment strategies.

Study examines risk of bleeding among patients taking 2 anti-platelet drugs

A study published in Archives of Internal Medicine found that dual antiplatelet therapy increases the risk of bleeding, particularly nosebleeds or minor hemorrhages. The study compared emergency department visits for hemorrhage-related adverse events among patients taking dual antiplatelet therapy versus those taking warfarin.

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.

Georgia Tech-led team wins Gordon Bell Prize for supercomputing

A Georgia Tech-led team has won the Association for Computing Machinery's Gordon Bell Prize for its world-record-setting blood-flow simulation of 260 million deformable red blood cells. The application achieved 700 teraflops on Oak Ridge National Laboratory's Jaguar supercomputer.

High alpha-carotene levels associated with longer life

A large study found that high blood levels of alpha-carotene were associated with a lower risk of death from all causes. Higher alpha-carotene concentrations also appeared to be linked to reduced risk of cardiovascular disease and cancer.

Gene find could lead to healthier food, better biofuel production

Researchers at Purdue University have identified the last undiscovered gene responsible for producing phenylalanine, a crucial amino acid in plant proteins and flower scent. This discovery could enable the control of phenylalanine production to boost plant nutritional values and improve biofuel feedstocks.

Study could mean greater anticipated global warming

Current global climate models predict varying levels of warming, with disagreement mainly stemming from different representations of clouds. Researchers from the University of Hawaii at Manoa have assessed model performance in simulating clouds, presenting a new approach to determining expected cloud feedbacks in a warmer climate.

Age estimation from blood has immediate forensic application

Researchers have developed a method to estimate human age from blood samples, which could be used to identify missing persons or solve crimes. The technique is based on the analysis of T cell receptors and has been shown to be highly accurate, with an error margin of nine years.

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.

Putting the squeeze on fat cells

Researchers at Tel Aviv University have created a new computer method to measure mechanical stress in fat cells, which can help control the amount of fat produced by these cells. The study has direct applications in weight loss programs, treating bedsores, and managing chronic diabetes.

Method for manufacturing patient-specific human platelets

Researchers at Rockefeller University Press have successfully reprogrammed human skin cells to produce platelets that can be used in patients with thrombocytopenia. The breakthrough method involves culturing these cells in a cocktail of platelet-promoting factors, resulting in platelets that function like normal healthy platelets.

UC breakthrough may lead to disposable e-Readers

Researchers at the University of Cincinnati have developed a low-cost, high-performance paper-based display technology that could enable the creation of disposable e-readers. The technology uses electrowetting devices and has been shown to be equivalent in performance to glass, which is the gold standard in the field.

New tool detects Ebola, Marburg quickly, easily

Boston University researchers developed a simple diagnostic tool that can quickly identify Ebola and Marburg viruses in blood samples. The biosensor is ultra-portable, fast, and can detect viruses with little to no sample preparation.

The puzzle of biological diversity

Researchers found that local populations of Joshua trees and their pollinating moths are not as biologically diverse as expected, contradicting previous theories. The study suggests that co-evolution between the species can actually decrease diversity within each species.

Fluke 87V Industrial Digital Multimeter

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

Exercising to piano music appears to help reduce falls among older adults

A six-month music-based multitask exercise program improved gait, balance, and reduced falls in community-dwelling elderly individuals. The study found a significant reduction in falls and risk of falling among participants, suggesting that this program may be useful for fall prevention and rehabilitation.

Muscle cells point the finger at each other

Researchers discovered that muscle cells in developing fly embryos send 'finger-like' protrusions into neighboring cells to facilitate fusion. The actin-rich fingers help form a small pore connecting the two cell types, eventually fusing them together.

Perceptual training improves vision of the elderly

A study from the University of California, Riverside and Boston University found that perceptual training can improve visual performance in elderly adults. The researchers used a texture discrimination test to demonstrate that repeated performance of visual tasks can lead to improved vision.

New function of gene in promoting cancer found by VCU researchers

Researchers at VCU Massey Cancer Center discovered that the gene AEG-1 promotes cancer cell survival and resistance to chemotherapy by regulating protective autophagy. Inhibiting AEG-1 expression may lead to effective treatments for aggressive cancers, such as breast and prostate carcinomas.

Celestron NexStar 8SE Computerized Telescope

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

Breast milk sugar promotes colitis in offspring

A sugar found in mouse breast milk promotes colitis in offspring, according to a study published online. Newborn mice fostered by mothers lacking one particular milk sugar were less susceptible to inflammation-induced colitis later in life.

Study reveals neural basis of rapid brain adaptation

Researchers have discovered that neurons in the sensory information pathway change their firing levels to enhance discrimination between different sensations. This modification allows brains to switch from detecting an object to identifying it more accurately.

JCI table of contents: Nov. 22, 2010

High-throughput DNA sequencing of gut bacteria confirmed that antibiotic treatment disrupts bacterial patterns, which precedes VRE colonization and bloodstream invasion. Monitoring fecal bacteria content could identify patients at high risk of life-threatening infections.

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.

AGU highlights: Nov. 22, 2010

Researchers study how changing winds in the Southern Hemisphere affect ocean carbon storage and atmospheric carbon dioxide. A new study finds large methane releases from ocean sediments during glacial periods could have impacted ocean chemistry and contributed to climate changes.

Study ties parental divorce in childhood to stroke in adulthood

Children who experience parental divorce are over twice as likely to suffer a stroke at some point in their lives, according to new research. This association remains strong even after adjusting for various risk factors, suggesting a potential link between early family disruption and cardiovascular health.

The not-so-sweet truth about sugar -- a risk choice?

A new review suggests that excessive amounts of fructose may play a role in high blood pressure, diabetes, obesity, and chronic kidney disease. The study recommends restricting added sugars containing fructose for patients with CKD to lower the risk of these health conditions.

For HIV-positive patients, delayed treatment a costly decision

A Johns Hopkins study found that delayed HIV treatment adds tens of thousands of dollars in care costs and reduces survival rates. Patients who wait too long to receive treatment require more expensive antiretroviral therapy, antibiotics, and hospitalizations.

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.

Depression may be both consequence of and risk factor for diabetes

A large cohort study found that women with depression were 29% more likely to develop type 2 diabetes and those with diabetes had a 53% higher risk of developing depression. The association remained significant even after adjusting for lifestyle factors, suggesting a bidirectional relationship between the two conditions.