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Science News Archive December 2009


Page 15 of 21

Fast, accurate urine test for pneumonia possible, study finds

Researchers at UC Davis have developed a fast and accurate urine test for pneumonia using nuclear magnetic resonance spectroscopy. The test identifies a unique chemical 'fingerprint' in the urine of patients infected with Streptococcus pneumoniae, distinguishing it from other types of pneumonia and noninfectious lung diseases.

Most antidepressants miss key target of clinical depression

A new study reveals that most antidepressants miss the mark on a key brain protein called monoamine oxidase A (MAO-A), which is highly elevated during clinical depression. This finding has important implications for understanding why antidepressants don't always work, with potential benefits for developing more effective treatments.

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.

ADA releases updated position paper on nutrient supplementation

The American Dietetic Association recommends wisely choosing a wide variety of nutrient-rich foods to promote optimal health. While supplements can help fill dietary gaps, registered dietitians are essential in educating consumers on safe selection and use of nutrients.

'Shoot-'em-up' video game increases teenagers' science knowledge

The 'Immune Attack' video game increased teenagers' understanding of cell biology and molecular science, according to a study. Players navigated the microscopic world of immune system proteins and cells to save a patient with bacterial infection, measurably improving their knowledge.

Meta Quest 3 512GB

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

Supportive materials will help regenerate heart tissue

Researchers at UC San Diego are developing new regenerative therapies for heart disease using adult stem cells and supportive materials. The study found that cells placed in these materials differentiate into cardiac muscle more effectively, offering a promising solution to treat cardiovascular diseases.

Nanoparticle protects oil in foods from oxidation, spoilage

A Purdue University scientist has developed a nanoparticle that protects oils in food products from oxidation, which causes spoilage and degradation. The nanoparticle, modified phytoglycogen octenyl succinate (PG-OS), doubles the shelf life of oil droplets by acting as an emulsifier and barrier to oxidation.

Apple iPhone 17 Pro

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

UAF chooses shipyard to build Alaska Region Research Vessel

The University of Alaska Fairbanks has selected Marinette Marine Corporation to build the 254-foot Alaska Region Research Vessel, a state-of-the-art platform for studying climate change and its implications on the Arctic environment. The $123 million contract is funded by the American Recovery and Reinvestment Act.

Immune Attack sheds light on the molecular world

A new game called Immune Attack teaches 7th-12th graders about immune system proteins and cells. The game shows significant gains in confidence and knowledge among players, according to an FAS expert. The game is designed to inspire high school computer programming classes to create their own games.

Rodent smoke screen

Rats exposed to tobacco smoke show affective and physical withdrawal signs, as well as nicotine-induced changes in the hippocampus, indicating nicotine dependence. The study suggests a rat model can be used to investigate tobacco smoke's effects on the human brain and evaluate novel treatments for tobacco addiction.

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.

NASA captures a visible image of Cleo's new eye

Cleo intensified from a Tropical Storm to a Cyclone, strengthening overnight and developing an eye. The MODIS instrument captured an image of Cleo on December 8 at 08:15 UTC, showing sustained winds near 109 mph with higher gusts.

Solar energy powers Marines on battlefield

The Ground Renewable Expeditionary ENergy System (GREENS) is a 300-watt photovoltaic/battery system that provides continuous power to Marines in the field. The system reduces logistical supply chain for fuel, cutting fuel use and costs associated with resupply convoys.

Gene therapy and stem cells save limb

Researchers at Johns Hopkins have developed therapies using gene therapy and stem cells to increase blood flow, improve movement, and decrease tissue death. The findings hold promise for developing clinical therapies to save limbs from amputation.

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.

Childhood traumas linger as health risk factors for adults

Research from the Dunedin Multidisciplinary Health and Development Study found that childhood abuse, neglect, social isolation or economic hardship can affect nervous, immune and endocrine functioning in adulthood. Adults who experienced these traumas were more likely to exhibit depression, chronic inflammation and metabolic markers of...

EPSRC invests £13 million in the future of maths

The EPSRC has invested £13 million in three new mathematical sciences Centres for Doctoral Training at Lancaster University, University of Cambridge and University of Warwick. These centres will train at least 40 students over seven years and focus on statistics, analysis and applied mathematics.

Second-line CML drugs evoke faster response than front-line therapy

Researchers at the University of Texas M.D. Anderson Cancer Center have found that second-line CML drugs, such as nilotinib and dasatinib, provide quicker and better responses compared to traditional front-line therapy, imatinib. The studies show improved complete cytogenetic response rates and major molecular response rates in patient...

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.

Now where was I again?

Researchers found that even short interruptions can lead to longer completion times due to cognitive focus disruption. The study suggests designing pop-ups with minimal visual impact and providing time for users to rehearse their place before resuming tasks.

Super cool atom thermometer

Researchers create a thermometer capable of measuring temperatures as low as tens of trillionths of a degree above absolute zero. By leveraging the magnetization of atoms in a magnetic field, scientists were able to extract temperature information from easily measurable properties.

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.

White, but not pure

Researchers detected low concentrations of polychlorinated biphenyls (PCBs) on Aconcagua Mountain, indicating that mountain ranges can trap persistent organic pollutants. The findings suggest a need to investigate the role of mountains in spreading pollutants and associated risks.

New screening tool helps identify children at risk

A new newborn exam, the NICU Network Neurobehavioral Scale (NNNS), has been developed to identify infants at risk of developmental problems. The exam identified five distinct neurobehavioral profiles, with poor performance linked to behavior problems, school readiness issues, and low IQ.

Deaths related to narcotic pain relievers have doubled since 1991: Study

A study led by St. Michael's Hospital found that deaths from opioid use in Ontario doubled between 1991 and 2004, with a five-fold increase in oxycodone-related deaths after OxyContin was introduced in 2000. Most opioid-related fatalities were accidental, and most people who died had visited a doctor recently.

Celestron NexStar 8SE Computerized Telescope

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

Snowflake chemistry could give clues about ozone depletion

Researchers studying snowflake shape and chemical reactions on their surface may uncover clues about ground-level ozone loss in the Arctic. The unique shapes of snow crystals, influenced by temperature and humidity, can affect the rate of chemical reactions that reduce ozone levels at ground level.

Researchers demonstrate nanoscale X-ray imaging of bacterial cells

Researchers have produced the first images of biological cells using a nanoscale X-ray imaging technique called ptychography. The technique enables accurate maps of electron density in biological samples, which could yield important insights for evolutionary biology and biotechnology.

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.

Study shows nearly 1/3 of human genome is involved in gingivitis

A new study published in the Journal of Periodontology found that nearly 30% of human genes are expressed differently during gingivitis onset and healing. Biological pathways associated with immune system activation were identified as critical to controlling the body's reaction to plaque build-up.

December 2009 Geosphere highlights

The December 2009 Geosphere issue examines the Stateline fault along the California-Nevada border, revealing right-lateral deformation and extension. The study also investigates crystal-rich magmas of the Tuolumne batholith in the Sierra Nevada range, exploring magma chamber formation and physical processes.

Emotions an overlooked key to whistle-blowing, study says

A University of Illinois study suggests that connecting with workers' emotions and personal identity can produce powerful triggers for calling out wrongdoing in the workplace. The study found that half of employees who witnessed wrongdoing on the job failed to report it due to fear of retaliation, but those who did reported being drive...

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.

HIV-related memory loss linked to Alzheimer's protein

New research suggests HIV-related cognitive deficits share a common link with Alzheimer's-related dementia: low levels of the protein amyloid beta in spinal fluid. This study can help find the cause of cognitive impairment in HIV patients and may impact new Alzheimer's treatments.

Deaths from opioid use have doubled, 5-fold increase in oxycodone deaths

A new study found that opioid-related deaths in Ontario, Canada have doubled since 1991, with a significant increase in oxycodone-related deaths. Most of these additional deaths were accidental, and the study suggests that increased rates of opioid prescriptions are a major factor in these deaths.

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.

Tiny RNA has big impact on lung cancer tumors

Researchers from Yale University and Mirna Therapeutics, Inc., used a naturally occurring tumor suppressor microRNA to reverse the growth of lung tumors in mice. The study found that let-7, a type of micro-RNA, reduced tumors by 66% in mice with non-small cell lung cancer.

Cosmic rays hunted down

Washington University physicists are tracking down the source of cosmic rays using imaging atmospheric Cherenkov telescopes. The correlation between high cosmic-ray density and supernova rate in a starburst galaxy provides powerful evidence for supernova acceleration, long suspected to be the origin of these particles.

Antidepressant may change personality while relieving symptoms

A study found that antidepressants can change personality traits like neuroticism and extraversion while alleviating depressive symptoms. Individuals taking the medication reported significant decreases in neuroticism and increases in extraversion compared to those receiving placebo or cognitive therapy.

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.

Fit teenage boys are smarter

Research by University of Southern California scientists found a positive association between adolescent fitness and adult cognitive performance. Fit teenage boys scored higher on intelligence tests, logical performance, and mechanical skills, while muscle strength did not have a similar impact.

Munich lab demonstrates diesel truck engine with barely measurable emissions

Researchers at TUM have developed a probe to take samples directly from the combustion chamber while running, aiming to discover soot formation methods and develop new emissions control techniques. The engine produces barely measurable nitrogen oxides and soot particles per kilometer, surpassing Euro 6 Norm standards.

African computer scientists recognized

Three African scientists have been awarded the inaugural TWAS-AAS-Microsoft Award for Young Scientists for their outstanding contributions to science and development in Africa. Youcef Bentoutou, Omar Fakih Hamad, and Tshilidzi Marwala will receive a cash prize of €7,000 each.

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.