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Science News Archive October 2009


Page 23 of 27

Georgia Tech broadens, diversifies computing education

Georgia Tech's College of Computing has received a $1.4 million grant from the National Science Foundation to extend its Georgia Computes! program for two more years. The program focuses on expanding computing education across all levels in Georgia, with a special emphasis on underrepresented communities.

Large-scale cousin of elusive 'magnetic monopoles' found at NIST

A team at NIST has discovered a large-scale compound that behaves like magnetic monopoles, enabling the testing of theoretical predictions about these elusive particles. The researchers created this compound by cooling a specific material to nearly absolute zero, forming spin ice crystals with balanced spins.

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.

Biologics for rheumatoid arthritis work, but which is best?

Biologic disease-modifying anti-rheumatic drugs are effective in treating rheumatoid arthritis, but direct comparisons of their effectiveness are needed. The researchers found that all biologics were very effective, with varying degrees of improvement in symptoms and adverse effect profiles.

New NIST method reveals all you need to know about 'waveforms'

The National Institute of Standards and Technology (NIST) has introduced a novel calibration technique for entire waveforms, enabling more accurate measurements in oscilloscopes. This new method improves the characterization of diverse waveforms, particularly in high-speed devices, and offers potential cost savings in industries such a...

Louisiana Tech receives DOE grant for cyberspace education programs

The U.S. Department of Education has awarded Louisiana Tech University a $951,000 grant to support cyber education programs in northern Louisiana. The Cyber K-12 project aims to provide professional development opportunities for K-12 educators and increase the number of teachers with expertise in cyber education.

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.

Arctic Sea ice extent is third lowest on record

The Arctic sea ice extent has reached its third lowest point on record, with a minimum area of 5.10 million square kilometers. The ice cover has declined by about 34 percent since satellite measurements began in the late 1970s.

Future diabetes treatment may use resveratrol to target the brain

A new study found that resveratrol improves diabetes by targeting the brain, potentially leading to orally-delivered medications. Activating sirtuins in the brain mediates resveratrol's beneficial effects, which could lead to more effective targeted diabetes treatments.

U of A researcher has rare evidence of dinosaur cannibalism

A University of Alberta researcher has discovered 70 million year old evidence of dinosaur cannibalism in southern Alberta. The jawbone of a Gorgosaurus contained a tooth from another meat-eating dinosaur, suggesting a violent encounter between two dinosaurs.

Apple iPhone 17 Pro

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

New biologic drug is effective against rheumatoid arthritis

Abatacept, a new biologic drug, is effective in treating rheumatoid arthritis by blocking immune cell actions, reducing pain and swelling. The review of seven trials found significant improvements in patients' symptoms and joint health, with no progression of joint damage at 12-month follow-up

Iron regulates the TLR4 inflammatory signaling pathway

Researchers have defined a molecular mechanism underlying impaired inflammatory responses in mice lacking Hfe. Altering iron levels may provide a new approach to controlling inflammation, as seen in studies with drugs mimicking altered iron distribution.

Bizarre new horned tyrannosaur from Asia described

A new species of horned tyrannosaur, Alioramus altai, has been discovered in Asia, exhibiting a unique set of adaptations for meat-eating. The fossil, found in the Gobi Desert, shows a gracile cousin of Tyrannosaurus rex with slender teeth and small muscle attachments.

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.

NIH announces expansion of Rare Diseases Clinical Research Network

The NIH is expanding its Rare Diseases Clinical Research Network with a new $117 million funding round. The network aims to understand the natural history, epidemiology, diagnosis, and treatment of over 95 rare diseases through clinical studies involving more than 5,000 patients.

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.

DNA test could be key to targeting treatments for head and neck cancer

Researchers at the University of Liverpool have discovered that a DNA test can identify individuals with a higher risk of developing head and neck cancer. Nearly two thirds of tonsil tumour samples showed evidence of the HPV-16 gene, which may trigger protein production that increases cancer development.

Psychiatric symptoms may predict Internet addiction in adolescents

A study of 2,293 adolescents found that depression, ADHD, and social phobia predict Internet addiction, with sex differences in predictive factors. Hostility was a significant predictor for male adolescents, while social phobia was a key predictor for female adolescents.

New recommendations on hoarseness for primary care physicians

Primary care physicians face limitations when evaluating patients with voice problems, including hoarseness. New research reveals that only a third of physicians routinely assess voice issues, highlighting the need for improved methods to identify and treat these patients.

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.

UBC researchers identify key behavior of immune response to Listeria

A UBC research team has identified dendritic cells as a crucial part of the immune system's defense against bacterial infections. The study reveals that dendritic cells use cross-presentation to activate the immune system, and deactivating this process can lead to severe compromise in fighting Listeria infections.

Buried coins may hold key to solving mystery of ancient Roman population

Theoretical biologist Peter Turchin and ancient historian Walter Scheidel developed a mathematical model using coin hoards to project population dynamics before and after 100 BC. The model suggests that the Roman population declined after 100 BC, contradicting the 'high count' hypothesis of vigorous growth.

Reservoir of deforming tropical disease sought

Buruli ulcer is caused by mycobacterium ulcerans and primarily affects poor rural communities in tropical countries. The new study aims to identify the natural reservoir for the disease, its activation, and transmission to humans.

Meta Quest 3 512GB

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

Physicists seek to keep next-gen colliders in 1 piece

Researchers aim to control electromagnetic forces that can destroy future particle accelerators. They propose two approaches: heavy damping and light damping with detuning, to mitigate the effects of extreme wake fields. Detuning is compared to acoustics, where ringing bells at different frequencies reduces overall sound amplitude.

Celestron NexStar 8SE Computerized Telescope

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

NIH funds new phase of high school-university research partnership

The Partnership for Research and Education in Plants (PREP) has received a $1.3 million Science Education Partnership Award from the NIH to expand benefits to more students and high schools. Students are collecting real data on Arabidopsis thaliana, making discoveries acknowledged in grant proposals and publications.

Men nearly 3 times as likely to develop noise-induced hearing loss

A comprehensive study of noise-induced hearing loss (NIHL) finds that men are 2.5 times more likely to develop the condition than women, with married white non-Hispanic men representing the highest risk group. The study analyzed data from over 5,000 individuals and found NIHL to affect approximately 24 million Americans.

Buried coins key to Roman population mystery?

Researchers estimate ancient Rome's population declined after 100 B.C. based on a unique method using coin hoards, bundles of buried Roman coins. The study suggests intense internal warfare led to the decline, with implications for understanding current Roman history and social structure.

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.

Acidic clouds nourish world's oceans

Scientists at the University of Leeds discovered that acidic clouds can convert large particles of iron from dust into small, soluble nanoparticles that plankton can use. This finding highlights a previously unknown source of bioavailable iron delivered to the Earth's surface in precipitation.

Breast reconstruction varies by race, U-M study finds

A study from the University of Michigan Comprehensive Cancer Center found that less-acculturated Latinas were less likely to undergo breast reconstruction surgery after a mastectomy for breast cancer. Despite having a desire for reconstruction, these women faced barriers such as lack of information and limited access to plastic surgeons.

Nose job recipients may want to consider chin augmentation as well

Researchers evaluated 100 rhinoplasty patients and found that between 17-62% of men and 39-81% of women could have benefitted from chin augmentation. The study suggests that addressing the chin can prevent post-operative disappointment with rhinoplasty and provide a more balanced facial profile.

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.

Keeping children safe: Rethinking design

Injuries are the leading cause of death in children over 1 year old, with traffic accidents being a major contributor. By modifying built environments, such as playgrounds and homes, to prioritize safety, injuries can be reduced by up to 75%.

Research gives new meaning to 'green' cross code

Research from the University of Leeds shows that air pollution levels change dramatically within small geographical areas dependent on wind patterns and street layout. Pedestrians can significantly reduce their exposure to traffic pollution by crossing one street away from main roads.

Panama butterfly migrations linked to El Niño, climate change

A long-term study found that El Niño drives the migration of Sulfur butterflies in Panama, with peak migrations occurring after rainy season begins. The research suggests that understanding global climate cycles can improve prediction of insect movements and effects on crops.

Mediterranean diet associated with reduced risk of depression

A Mediterranean diet rich in fruits, nuts, and fish has been associated with a reduced risk of depression. The study found that individuals who closely followed the diet had a greater than 30 percent reduction in depression risk compared to those who did not adhere to it.

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.

Americans concerned about heart health, but not proactive enough to prevent it

A national survey reveals that most Americans are at risk of heart disease due to lifestyle factors like obesity, with fewer than half correctly believing they should adopt a heart-healthy lifestyle from childhood. The Preventive Cardiovascular Nurses Association has launched an education campaign called 'Family at Heart' to empower pa...

Silver nanoparticles give polymer solar cells a boost

Researchers at Ohio State University discovered that adding silver nanoparticles to plastic boosts electrical current generation in polymer semiconductors, increasing efficiency. The new fabrication technique allows for a wider range of wavelength absorption, promising advancements toward commercially viable solar cells.

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.

Antibiotic may be new stroke treatment

Minocycline has been shown to have a neuroprotective effect on neurons by reducing apoptosis and ameliorating behavioral deficits in animal models after a stroke. This study suggests that minocycline could be a new treatment option for acute ischemic stroke, offering hope for patients who currently have limited treatment options.

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.