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Science News Archive 2009


Page 154 of 277

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.

E. Vincent Zoby wins 2009 AIAA Thermophysics Award

E. Vincent Zoby, a specialist in hypersonic aerothermodynamics, received the award for his work on accurate engineering codes and mentoring of aerospace engineers. He has served on numerous advisory boards and is an AIAA Fellow with over 100 technical papers published.

FibroTest attributes to generate decision trees in hepatitis C

Researchers used FibroTest attributes to create decision trees for patients with chronic hepatitis C, providing explicit rules to relate biomarker values to fibrosis scores. The study enhances understanding of fibrosis progression and improves classification of preclinical subgroups.

Obese women with PCOS can lose weight with a doctor's help

A new study found that obese women with polycystic ovary syndrome (PCOS) can lose a substantial amount of weight with simple weight-loss advice from a physician and regular follow-up. This weight loss was clinically significant, with 43.2% of patients losing at least 5% of their body weight.

LSUHSC research finds single gene controls growth of some cancers

A single gene, EBNA1, plays a crucial role in the activation of EBV genes responsible for indiscriminate tumor cell growth. The LSUHSC research team discovered that oxidative stress regulates EBNA1's ability to activate these genes, leading to potential therapeutic approaches using existing treatments like Vitamin K.

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.

Maple seeds and animals exploit the same trick to fly

Researchers have discovered that maple seeds generate lift by creating a vortex, similar to insects and animals, which allows them to be carried aloft by the wind. The study suggests that plants and animals have converged on this aerodynamic solution for improving flight performance.

Isolated forest patches lose species, diversity

A new study reveals that decades of fragmentation have taken a toll on the sustainability of Wisconsin's forests, reducing native plant abundance and diversity. The effects of urbanization and agricultural dominance are now determining which species can survive in isolated forest patches.

Study finds segregation decreases access to surgical care for minorities

A study published in Journal of the American College of Surgeons reveals that segregation is associated with decreased access to surgical services and increased emergency room visits among minority populations. The research highlights the need to address racial disparities in healthcare, particularly in the most segregated areas.

Snoring pregnant women at higher risk for gestational diabetes

A new study from Northwestern University finds that frequent snoring during pregnancy increases the likelihood of developing gestational diabetes. Pregnant women who snored frequently had a 14.3% chance of developing the disease, compared to 3.3% for non-snorers.

Apple iPhone 17 Pro

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

Jumping genes discovery 'challenges current assumptions'

New research challenges standard assumptions about the timing of mobile DNA insertions in humans. Jumping gene insertions are found to occur during embryogenesis after fertilization, rather than in eggs and sperm cells. This discovery has implications for understanding genetic diseases, cancer, and the development of new genes.

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.

Promising device snags young inventors coveted spot at IShow

A duo of researchers from the University of Houston has developed a unique health-monitoring system that could provide congestive heart failure patients with peace of mind and significant healthcare cost savings. The device, known as the BlueScale, simultaneously records various patient information in just 10 seconds.

Meta Quest 3 512GB

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

A case of cecal volvulus

A case of cecal volvulus was reported in a 78-year-old woman with severe abdominal pain and fever. The patient underwent an emergent laparotomy and recovered after intensive care. A review of Japanese literature revealed an increase in aged patients with mental disabilities presenting with cecal volvulus, adoption of ileo-colectomy as ...

Exenatide promotes weight loss when added to diet and exercise

A study by The Endocrine Society found that exenatide, an injectable medication, helps nondiabetic obese individuals lose over three times more weight than those receiving a placebo. This is the first study to assess the effect of exenatide on body weight in nondiabetic obese individuals.

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.

If you do good, you look good

A study by Dr. Anat Bracha of Tel Aviv University found that participating in charitable events in public settings boosts donations due to positive recognition from the community. In contrast, monetary incentives are more effective in private settings, where social judgment is less present.

A breakthrough in gastric carcinogenesis

Researchers discovered a correlation between CHFR silencing and microsatellite alteration in gastric cancer, leading to mitotic checkpoint disruption and increased cell survival. This study provides new information on the genetic mechanisms underlying gastric carcinogenesis.

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.

A new 'idol' grabs the spotlight

Researchers identified an enzyme called Idol that destroys the LDL receptor, allowing more 'bad' cholesterol to circulate in the blood. By blocking Idol's activity, cells produce more receptors and absorb more cholesterol from the body.

The microbial hydrocarbon diet

Researchers have found the optimal conditions for a new microbe to degrade n-hexadecane, suggesting a more effective approach to bioremediation. The team discovered that enzymes within the microbial cell and its membrane are responsible for degradation, with neutral pH and 30 Celsius temperature being ideal conditions.

Male flies: Not the world's most sensitive lovers

In Drosophila montana, males try to prolong copulation to increase their chances of fathering offspring. The researchers found that when females were prevented from dislodging the copulating male, matings lasted one-and-a-half times longer.

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.

UIC evaluates 'virtual world' training for public health emergencies

Researchers at UIC are conducting a study to assess the effectiveness of collaborative virtual environments in improving public health preparedness and response planning. The study, funded by a $1.6 million grant from the CDC, uses Second Life to train public health workers in emergency preparedness.

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.

Are angiotensins involved in the hemodynamic changes of cirrhosis patients?

The study found that Ang-(1-7) levels predominate in the peripheral circulation in early stages of liver cirrhosis, contributing to reduced vascular resistance. In advanced stages, Ang 2 leads to extra-splanchnic vasoconstriction. The relationship between these peptides and hemodynamic changes was investigated.

Deforestation causes 'boom-and-bust' development in the Amazon

Research reveals that clearing the Amazon rainforest brings initial improvements in income and quality of life for Brazilian communities, but these gains are short-lived. The study suggests that levels of development revert back to below national average levels once natural resources are exploited and deforestation expands.

Australia's climate: Drought and flooding in annual rings of tropical trees

Scientists have compiled the first ever growth ring chronology from tropical Australia, revealing that tree growth depends mainly on annual precipitation. The analysis suggests that growth rings are a more suitable proxy data for registering precipitation dynamics in Australia than current methods based on ENSO and IPO.

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.

NIH funds Einstein center to target HIV-related brain disease

The Einstein Proteomics Research Center aims to identify brain proteins responsible for neurological complications in people infected with HIV, particularly those who are also addicted to drugs. The center will investigate the mechanism of HIV infection and develop biomarkers to detect neurological disease.

New images may improve vaccine design for deadly rotavirus

Researchers have mapped the structure of an antiviral antibody clamped onto rotavirus protein VP7, revealing intimate details about how it interferes with virus infection. The discovery may lead to the development of a new generation of rotavirus vaccines that are easier to store and administer.

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.

Study shows promise for new cancer-stopping therapy

Researchers discovered that delivering a small molecule that is highly expressed in normal tissues but lost in diseased cells can result in tumor suppression. The study employed a novel strategy to treat hepatocellular (liver) cancer, using microRNAs (miRNA) gene delivery via a recombinant adeno-associated virus (AAV).

Lost molecule is lethal for liver cancer cells in mice

Scientists have found that replacing microRNAs in liver cancer cells can be lethal, while leaving healthy cells unaffected. The study used a special delivery virus to introduce the microRNA into mice with liver cancer, resulting in rapid death of tumor cells.

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.

Waste disposal protein is mechanism behind cancer tumor suppression

A waste disposal protein called p62 is responsible for disposing of damaged proteins in cells, preventing the accumulation of toxic waste that can promote cancer tumor growth. Researchers discovered that controlling p62 levels can stimulate autophagy and lead to tumor suppression.

Assessment of safety and efficacy of human embryonic stem cell therapy

Researchers have demonstrated the long-term safety and efficacy of human embryonic stem cell-derived retinal pigment epithelium in animal models of eye diseases. The therapy has shown functional rescue in both RCS rat and Elov14 mouse, with sustained visual function without tumor formation or untoward pathological reactions.

International study could aid search for life in the universe

A team of international scientists captured a snapshot of Earth's chemical signature using a lunar eclipse, providing crucial information for identifying potentially habitable planets. The observation, published in Nature magazine, offers a unique opportunity to study planetary atmospheres and compositions.

Low-fat diet helps genetically predisposed animals avoid liver cancer

Researchers found that a high-fat diet increases the risk of liver cancer in genetically susceptible mice, while switching to a low-fat diet reverses this outcome. The study could lead to screening methods for precancerous conditions and cancer prevention strategies related to obesity.

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.

What are the risk factors of sporadic colorectal cancer?

A study published in the World Journal of Gastroenterology found that current alcohol drinking and a high body mass index (BMI) ≥ 24.0 kg/m2 are independent risk factors for colon and rectal cancer. Former alcohol consumption and a positive family history of cancer are also linked to an increased risk of colon cancer.

Wii-hab may enhance Parkinson's treatment

Researchers found significant improvements in rigidity, movement, fine motor skills, and energy levels among Parkinson's patients playing Wii games. Most participants experienced a decrease in depression levels to zero.

Hidden genitalia in female water striders makes males 'sing'

In a study on female water striders, researchers found that females use morphological shields to protect their genitalia from male attempts at copulation. In response, males produce a courtship song by tapping the water surface, allowing females to expose their genitalia only after receiving the signal.

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.

Simulation helps students learn dental implant procedures

The Virtual Dental Implant Training Simulation Program uses multiple patients and clinical scenarios to teach diagnostics, decision making, and treatment protocols. Research shows that healthcare providers who practice clinical skills via simulation have better patient outcomes than those who don't.