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Science News Archive 2011


Page 138 of 311

How testosterone protects against inflammation

Men are less susceptible to inflammatory diseases due to higher testosterone levels, which suppress phospholipase D and reduce pro-inflammatory substance production. This knowledge can inform new therapies for inflammatory diseases, requiring 'customized' treatments for men and women.

Apple iPhone 17 Pro

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

CWRU receives $2.1 million NIH grant to expand cystic fibrosis research models

Case Western Reserve University School of Medicine has received a $2.1 million grant from the National Center for Research Resources to develop additional basic research models for cystic fibrosis (CF). The researchers aim to understand the cellular and molecular mechanisms causing CF and explore potential therapeutic approaches.

Are cancers newly evolved species?

Cancer researcher Peter Duesberg suggests that cancer is a form of speciation, where tumors are new species that operate independently and can grow without host control. This theory could lead to new insights into cancer growth and metastasis, as well as new approaches to therapy.

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.

A new way to measure the expansion of the universe

A new measurement of the Hubble constant has been made, providing an accurate calculation of how fast the universe is expanding. The method uses data from a survey of over 125,000 galaxies, allowing for precise determination of the universe's growth rate.

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.

NASA sees dramatic temperatures around Tropical Depression 11W

Tropical Depression 11W exhibits a significant temperature contrast between its cold cloud tops (-63°F) and warm sea surface (80°F), with a difference of 143 degrees. The storm is expected to intensify into a typhoon and recurve to the northeast, posing threats to Yap State (Micronesia).

Reforestation's cooling influence -- a result of farmer's past choices

A new study suggests that reforestation on abandoned agricultural land can have a significant cooling effect on the climate. By considering historical patterns of land-use conversion, researchers found that farmers generally chose to use more productive and snow-free lands, which can absorb more carbon dioxide and reduce global warming.

Adrenaline use in cardiac arrest

A randomized double-blind placebo-controlled trial found that adrenaline increased the likelihood of restoring circulation following cardiac arrest, but no difference was seen in survival to hospital discharge. The study provides the best evidence to date supporting the use of adrenaline in treating cardiac arrest.

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.

Treating obesity via brain glucose sensing

A study published in PLOS Biology found that a defect in brain glucose sensing contributes to obesity, while correction of this defect can treat the condition. The researchers discovered a novel role for hypoxia-inducible factor (HIF) in hypothalamic glucose sensing and whole-body energy balance regulation.

Penn researchers help graft olfactory receptors onto nanotubes

The Penn team successfully grafted olfactory receptors onto carbon nanotubes, enabling the conversion of chemical signals into electrical signals. This technology has potential applications in pharmaceutical research and could help develop new treatments for diseases by targeting specific GPCRs.

Testing fumigant films that keep the air clean

Researchers have developed a way to help growers reduce fumigant emissions by testing the permeability of dozens of films used to cover treated soil. They found that some films are better barriers to fumigant diffusion than others, but their effectiveness varies depending on the fumigant and weather conditions.

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.

Family history a risk factor for COPD

A strong link between family history and COPD was found in a study of over 1,600 participants. Family history of COPD was identified as a significant risk factor for the disease, even when other factors such as smoking exposure were accounted for.

Evidence shows NTD control can help in the fight against HIV/AIDS

The article highlights the connection between neglected tropical diseases (NTDs) and HIV/AIDS, proposing ways to integrate NTD treatment programs with HIV/AIDS initiatives. Studies show that areas with high NTD infection rates also have high HIV/AIDS prevalence, and co-infections can exacerbate HIV/AIDS.

'Hidden' cancer cells not a factor in early-stage breast cancer survival rates

A new study published in Journal of the American Medical Association found that removing lymph nodes due to microscopic cancer cells has no impact on survival outcomes for women with early-stage breast cancer. The study, conducted by Cedars-Sinai Medical Center, challenged the common approach to treating early-stage breast cancer.

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.

Local efforts can stem the increasing unnecessary cesarean sections

A systematic review found that nurse-led relaxation classes, birth preparation classes, and clinician feedback can decrease caesarean sections in low-risk pregnancies. However, prenatal education, computer patient decision-aids, and insurance reform have not shown significant effects on reducing cesarean section rates.

Researchers capture breakthrough data on cervical spine injuries

Researchers have captured groundbreaking biomechanical data on cervical spine injuries in a healthy young athlete, providing real-world insights into the effects of head-down tackles. The study, published in the New England Journal of Medicine, has significant implications for youth sports safety and equipment standards.

Targeting PTEN may prevent skin cancer

A study published in Cancer Research found that PTEN helps remove DNA damage caused by UVB radiation, a risk factor for non-melanoma skin cancer. Increasing PTEN activity through supplements or pharmaceuticals may prevent skin cancer.

Warming climate likely to dramatically increase Yellowstone fires by mid-century

A new study projects that Yellowstone National Park will experience dramatic shifts in forest vegetation and fire patterns, with large fires occurring annually by 2050. The research suggests that a warming climate could lead to a fundamental change in the ecosystem, affecting wildlife, hydrology, carbon storage, and aesthetics.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

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

Global bioterrorism threat analyzed for world animal health office

The global bioterrorism threat is a growing concern for the world animal health office, with evidence of biological agent development in some countries. The article discusses potential perpetrators, priority diseases, modern biology, trade and regulatory restraints to prevent such threats.

Retinal cells thoughts to be the same are not, JHU biologist says

Researchers at Johns Hopkins University found that two structurally similar neurons have distinct roles, influencing brain regions and visual functions. This discovery has significant implications for diagnosing sleep disorders, as pupillary light reflex may not be an accurate indicator of sleep-wake cycles.

Study: Some moms 'doppelgang' their daughters' style

A Temple University study found that teenage girls significantly influence their mothers' purchasing decisions, particularly for personal items like makeup and clothing. The 'doppelganger effect' suggests mothers tend to mimic their daughters' consumption behavior rather than vice versa.

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.

How to tell real whiskey from fake -- faster

Scientists at the University of Strathclyde devise a new system to compare whisky samples, distinguishing between authentic and counterfeit brands with high accuracy. The method uses mid-infrared spectrometry and has been successfully tested in blind tests.

Drug shown to improve sight for patients with inherited blindness

A clinical trial led by Newcastle University found that the drug idebenone improved vision and perception of color in patients with LHON, a condition causing inherited blindness. In nine out of 36 patients taking idebenone, vision improved to the point where they could read at least one row of letters on a chart.

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.

Hiding vegetables in kids' foods can increase vegetable intake

A study by Penn State found that adding pureed vegetables to children's favorite foods increased their daily vegetable intake and reduced calorie consumption. Researchers served vegetable-enhanced meals to 39 preschoolers aged 3-6, who ate nearly twice as many veggies and 11% fewer calories.

Diabetes mortality rates in status Aboriginal adults in Alberta concerning

Diabetes rates are higher in Aboriginal adults in Alberta, but the increase is less pronounced compared to the general population. Mortality rates for status Aboriginals with and without diabetes have remained relatively unchanged over 12 years, despite overall improvements in mortality rates among people with diabetes.

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.

Double jeopardy: Tuna and billfish

An international team of scientists assesses the population status of several fish species, classifying seven as threatened with extinction and four as 'near threatened' for the IUCN Red List. The study highlights the need to protect against overexploitation driven by high prices, which are putting pressure on global fish populations.

Treating HIV sooner would save South African lives and money

A new study suggests that adopting the World Health Organization's treatment initiation criteria for HIV-infected individuals would significantly reduce the country's HIV incidence, extend life-years, and ultimately save money. By starting ART earlier, South Africa could prevent more than 120,000 additional life-years by 2040.

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.

NHS ill prepared to care for obese patients

An analysis of patient safety incident data reveals that the NHS is poorly equipped to handle obese patients, with common themes including inadequate staffing, specially adapted equipment, and surgical errors. Most incidents resulted in little or no harm, but severe cases were reported.

New study finds cancer-causing mineral in US road gravel

A new study reveals that roads in North Dakota contain high levels of the cancer-causing mineral erionite, which can increase the risk of developing mesothelioma. The research team found that airborne concentrations of erionite in North Dakota were comparable to those found in Turkish villages with high mesothelioma rates.

Celestron NexStar 8SE Computerized Telescope

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

Catching the West Nile virus in action

Researchers track both clinical cases of West Nile Virus and infected mosquito populations to identify 'danger zones' and predict outbreaks. They also analyze the virus's genetic types, dynamics, and mobility to better understand its migration patterns.

Sexual anxiety, personality predictors of infidelity, study says

A new study published in Archives of Sexual Behaviour found that personality characteristics and interpersonal factors are stronger predictors of infidelity than demographic variables. For men, propensity for sexual excitation and concern about sexual performance failure were significant predictors, while women who felt sexually incomp...

Glycans enter mainstream of biomedical science

The University of California, San Diego has received a major $18 million grant to further develop the science of glycobiology. The grant will focus on training scientists fluent in glycan chemistry and biology to study how glycans modulate inflammatory responses and fund collaborative projects.

Fluke 87V Industrial Digital Multimeter

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

Diamond impurities bonanza for geologists studying Earth's history

Researchers analyzed over 4,000 mineral inclusions in diamonds to determine when the Wilson cycle of plate tectonics began. The study found that continents started breaking apart and colliding around three billion years ago, leading to the growth of the Earth's continental crust and the distribution of ores and materials.