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Science News Archive January 2009


Page 4 of 19

Easing regulations does not mean lower quality of cardiac care

Researchers at Rice University and Duke University Medical Center found no increase in death rates after states dropped regulations on heart procedures. Dropping CON rules led to increased entry of new cardiac-care facilities, potentially raising costs per procedure.

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.

Researchers iron out new role for serotonin

A study by Vanderbilt University researchers found a surprising link between brain iron levels and serotonin, a neurotransmitter involved in neuropsychiatric conditions. The team identified multiple trait differences affected by the SERT GK/ER variation, including traits associated with alcohol consumption and brain dopamine signaling.

Top hospitals have 27 percent lower mortality: Annual HealthGrades study

According to the HealthGrades Seventh Annual Hospital Quality and Clinical Excellence study, patients treated at top-rated hospitals experience a 27% lower risk of death compared to those at other hospitals. These high-performing institutions also have an eight percent lower risk of complications during their stay.

New insights into a leading poultry disease and its risks to human health

Research by Arizona State University scientists reveals that APEC can be transmitted from poultry to humans through shared genetic material, highlighting the need for a vaccine to prevent infections. The study identified key genes responsible for disease-causing effects and suggests these could be used to develop vaccine candidates.

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.

Also in the Jan. 27 JNCI

A study found a potential genetic link between a germ-line mutation in the TTF-1 gene and an increased risk of developing multi-nodular goiter (MNG) and papillary thyroid cancer (PTC). The researchers also explored the effects of early mammography on breast cancer risk in BRCA mutation carriers.

Helicobacter pylori can multiply in autophagic vesicles

Research found that Helicobacter pylori can multiply in autophagic vesicles within macrophages, increasing resistance to antibiotics and evading the immune system. This discovery has significant implications for understanding the life cycle of H. pylori and potential new drug targets.

The pseudogap persists as material superconducts

Researchers find pseudogap co-exists with superconductivity, suggesting it may compete with the phenomenon. This discovery could lead to higher-temperature superconducting materials, bringing practical applications closer.

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.

CHF to present 2009 Othmer Gold Medal to Ahmed Zewail

Ahmed Zewail is honored with the 2009 Othmer Gold Medal for his groundbreaking work in femtochemistry, enabling scientists to study reactions in real time. He is also a tireless advocate for science education, working globally to promote its value and accessibility.

Fake internet drugs risk lives and fund terrorism, warns journal editor

The counterfeit drugs market is expected to be worth £55 billion by 2010, with nearly 62% of prescription-only medicines being fakes. Harmful ingredients found in counterfeit medicines include arsenic, boric acid, and leaded road paint, which can have devastating consequences for patients with potentially fatal conditions.

Researchers identify a cell type that limits stroke damage

A recent study published in Nature Medicine reveals that Treg cells limit brain damage after a stroke by blocking neurotoxin production and modulating lymphocyte and microglia action. This discovery offers potential treatments for preserving crucial functions and treating other types of brain damage.

Apple iPhone 17 Pro

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

Game provides clue to improving remote sensing

A new mathematical model developed at Duke University could help robots navigate strange surroundings to find hidden explosives. The model, inspired by the popular board game CLUE, uses a strategy of selecting movements and optimizing information incorporation to achieve success.

Ancient wounds reveal Triceratops battles

A new study published in PLOS ONE reveals that Triceratops used their three horns for battle scars, contradicting the notion that they only displayed them. The researchers found that the squamosal bone was injured 10 times more frequently in Triceratops than its closely-related dinosaur Centrosaurus.

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.

'Fishy' clue helps establish how proteins evolve

Researchers at Yale and the University of Tokyo demonstrated how pyrrolysine (Pyl), a rare amino acid, was incorporated into proteins. This discovery opens the door to engineering the genetic code and understanding the functions of modifications found in human diseases.

New twist on old medical technology may prevent amputations

A new study suggests that a twist on old medical technology could save limbs by treating infections in soldiers with compound bone fractures. Colistin-laced bone cement may prevent the spread of deadly A. baumannii infections, which are widespread among US troops in Afghanistan.

Exercise no danger for joints

A review of studies on exercise and osteoarthritis found no harm in regular, low-impact physical activity. Vigorous exercise is beneficial for both physical and mental well-being, with body weight being the largest modifiable risk factor for knee OA.

Springer strengthens its publishing position in Asia

Springer has partnered with Education Research Institutes in Seoul and Taiwan to publish the Asia Pacific Education Review journal, further expanding its education research portfolio. The partnership aims to enhance the journal's reputation and make it available to a worldwide audience.

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.

Avoiding secondhand smoke during pregnancy

A new study of African-American women found that avoiding environmental tobacco smoke (ETS) exposure early in pregnancy is crucial for reducing complications and improving outcomes. Social factors such as household smoking bans, the father's desire to have the baby, and social support play a significant role in ETS avoidance.

Biofeedback from the zoo

Tel Aviv University researchers have developed a program that analyzes animal behavior to understand and treat OCD. By comparing human behavior to animal rituals, the model identifies abnormal patterns and provides a tool for mental health practitioners. This innovative approach may motivate patients to correct their compulsive actions.

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.

Predicting the future spread of infectious-disease vectors

Climate change and mosquito adaptation could lead to the expansion of dengue fever vectors in Australia, increasing disease transmission risk. The researchers' Niche Mapper software predicts suitable habitats for the mosquitoes will increase across the continent by 2050.

Fluke 87V Industrial Digital Multimeter

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

Biomarkers as a guide to therapy in heart failure patients

A study published in JAMA found that intensive treatment guided by N-terminal brain natriuretic peptide (BNP) levels significantly improved hospital-free survival in heart failure patients under 75 years old. However, this benefit was not observed in patients over 75 years old.

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.

Smallest ever quantum dots bring real world applications closer

Researchers have successfully created single-atom quantum dots that can be used to control individual electrons with minimal energy. This breakthrough brings quantum dot-based devices within reach, potentially transforming the development of ultra-low power computers.

SMU engineering school to collaborate on defense research

The Bobby B. Lyle School of Engineering at Southern Methodist University will participate in the Systems Engineering Research Center (SERC), a UARC funded by the DoD, focusing on complex systems engineering issues. SERC aims to support defense system development and integration.

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.

Fast-food diet cancels out benefits of breastfeeding in preventing asthma

A recent study found that eating fast food more than twice a week negates the protective effects of breastfeeding on asthma in children. The research suggests high fat and salt content in fast food may contribute to increased asthma risk. Long-term breastfeeding duration also appeared crucial for reduced asthma risk

The numerate honey bee

Researchers found that honey bees can reliably distinguish between patterns containing two and three dots, but struggle with four. The bees use a combination of working memory and memory rules to solve the problem. This remarkable cognitive ability challenges traditional views on the numerical competence of insects.

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.

DNA component can stimulate and suppress the immune response

Researchers discovered that DNA component CpG can stimulate inflammation at low doses but block it at high doses through the enzyme indoleamine 2,3 dioxygenase. This finding holds promise for treating cancer and infections by manipulating dosage to optimize immune response.

Professor conducts cosmic ray acceleration research

Researchers aim to understand the structure and dynamics of the heliosphere using cosmic rays to probe its outer environment. The project has potential implications for space weather forecasting and keeping astronauts safe from hazardous space radiation.

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.

Regular sprint boosts metabolism

Research published in BMC Endocrine Disorders shows that regular high-intensity interval training can significantly improve insulin action and glucose clearance. A three-minute sprint workout every couple of days may be the best way to cut the risk of diabetes, with substantial improvements in metabolic prowess seen within two weeks.

Penn study identifies how ebola virus avoids the immune system

Researchers at University of Pennsylvania School of Medicine discovered that Ebola virus disables tetherin protein to prevent its inhibition, allowing the virus to spread. Understanding this mechanism may facilitate the development of therapeutics to slow down viral replication.

Meta Quest 3 512GB

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

Robin Clark to receive inaugural Franklin-Lavoisier Prize

Robin Clark will receive the prize for his groundbreaking use of Raman microscopy, enabling the authentication of art and artifacts without damaging them. This award recognizes his significant contributions to the field of chemistry and its impact on the preservation of cultural heritage.

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.

Pharmaceutical disobedience

A report highlights the growing trend of US healthcare consumers purchasing unapproved prescription drugs online, driven by high prices and limited access to affordable treatments. This phenomenon carries significant social and policy implications, particularly in a period of economic recession.

The My Child Matters awards: Improving the 80/20 divide

Eight projects across eight countries will receive funding and expert guidance to improve treatment capacity for childhood cancer. The initiatives aim to narrow the 80/20 divide, where 80% of childhood cancers occur in resource-limited countries.