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Science News for April 20, 2009


Online reporting system could track surgical complications

A Web-based reporting system helped identify four event patterns from morbidity reports and three from near-miss reports, addressing issues like chest tube placements and nurse-to-physician communications. However, under-reporting was disappointing, with only 27.2% of readmissions and 41.6% of inpatient deaths reported.

SourceJAMA Network·JournalArchives of Surgery·DateApr 20, 2009

The life histories of the earliest land animals

Researchers at Uppsala University and colleagues analyze fossil upper arm bones from ancient vertebrates, revealing two distinct life histories. Ichthyostega, a more terrestrial animal, undergoes significant changes in limb shape and muscle attachments as it grows, while Acanthostega remains aquatic with less dramatic transformations.

SourceUppsala University·JournalScience·DateApr 20, 2009
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.

MSU scholars to help reform Pakistan's teacher-education system

A team of MSU researchers will support the creation of a standard curriculum for four-year baccalaureate education degrees at Pakistani universities. The goal is to improve teacher training and skills, addressing low literacy rates and negative perceptions of teaching as a career.

SourceMichigan State University·DateApr 20, 2009

New imaging technology reveals prevalence of 'silent' heart attacks

Researchers at Duke University Medical Center used new imaging technology to discover nearly 200,000 people in the US suffer 'silent' heart attacks each year. These unrecognized myocardial infarctions are linked to a surprisingly high risk of untimely death and may be more common than previously believed.

SourceDuke University Medical Center·JournalPLOS Medicine·DateApr 20, 2009
Celestron NexStar 8SE Computerized Telescope

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

Our brains make their own marijuana: We're all pot heads deep inside

Scientists discovered brain proteins bind to and activate THC receptors, similar to marijuana, sparking hope for new treatments for pain, appetite stimulation, and reduced marijuana abuse. The study may lead to effective drugs with fewer side effects.

SourceFederation of American Societies for Experimental Biology·JournalThe FASEB Journal·DateApr 20, 2009

Targeted agent shows promise in biliary cancer study

A phase II study led by Ohio State University researchers has found a targeted agent to be effective in treating advanced biliary cancer. The study showed that the agent, AZD6244, achieved an average progression-free survival of 5.4 months and stable disease in many patients.

SourceOhio State University Wexner Medical Center·DateApr 20, 2009

Climate change means shortfalls in Colorado River water deliveries

Researchers at Scripps Institution of Oceanography found that human-caused climate change will reduce the Colorado River's capacity to deliver water, leading to shortfalls 40-90% of the time by 2025 and doubling by the late century. The study suggests that reducing average water use could help sustain the system.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·DateApr 20, 2009
Meta Quest 3 512GB

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

Snatched from the air

Researchers have created a novel reaction scheme to efficiently convert carbon dioxide into methanol with minimal energy input. The method utilizes an N-heterocyclic carbene catalyst and silane as the reducing agent, enabling the use of air-borne CO2 as a renewable resource.

SourceWiley·DateApr 20, 2009

Genetic analysis may predict risk of invasive bladder cancer

A genetic analysis revealed that variants in the iNOS gene may predict the risk of recurrence among patients with non-muscle invasive bladder cancer treated with Bacillus-Calmette-Guerin (BCG) therapy. Patients with the variant allele had a significantly longer survival time, up to 96.7 months, compared to those without the variant.

SourceAmerican Association for Cancer Research·DateApr 20, 2009
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.

Self-assembled nanowires could make chips smaller and faster

Researchers at the University of Illinois have developed a new technique to create self-aligned and defect-free nanowire channels using gallium arsenide. This breakthrough could lead to the creation of higher performance transistors for next-generation integrated circuit applications.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalIEEE Electron Device Letters·DateApr 20, 2009

Barely legal -- new study into whether alcohol affects perceptions of age

A new study published in the British Journal of Psychology found that consuming alcohol did not affect how men judged the age of women. In fact, researchers found that young females are typically viewed as being older than they actually are. However, make-up and alcohol consumption did have an impact on attractiveness ratings, with you...

SourceUniversity of Leicester·JournalBritish Journal of Psychology·DateApr 20, 2009

Best intentions: The presence of healthy food can lead to unhealthy choices

Consumers may feel they have fulfilled a healthy eating goal when choosing an unhealthy option, while the presence of a healthy choice draws attention to the least-healthy alternative. The study found that this phenomenon is more pronounced in individuals with high levels of self-control.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateApr 20, 2009
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.

Antibody targeting the protein FGFR3 inhibits cancer cell growth

A team of researchers developed an antibody targeting FGFR3, which showed potent antitumor activity against human bladder cancer cells and t(4;14)-positive multiple myeloma cells. The antibody also demonstrated activity against normal FGFR3 and mutated forms associated with cancer.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 20, 2009

6 young ASU faculty earn NSF Career awards

Six Arizona State University faculty members have earned NSF Career awards for their groundbreaking research projects. Junseok Chae is developing protein-based biosensors, while Yi Chen aims to unlock the Internet's hidden data reservoir. Hanqing Jiang seeks to harness carbon nanotubes for practical applications.

SourceArizona State University·DateApr 20, 2009

New data on the breakdown of the KRas protein

Researchers at IDIBAPS and University of Barcelona discover a new breakdown pathway for the KRas protein, which is actively transported from cell membrane to lysosomes. This finding could lead to new therapeutic strategies against cancer and diseases involving abnormal lysosome formation.

SourceIDIBAPS - Institut d'Investigacions Biomèdiques August Pi i Sunyer·JournalJournal of Cell Biology·DateApr 20, 2009
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.

Researchers use brain interface to post to Twitter

Scientists have developed a brain-computer interface system that allows people with locked-in syndrome or spinal cord injuries to send tweets using only their thoughts. The system uses EEG technology to detect brain activity and translate it into physical actions, such as typing on a keyboard.

SourceUniversity of Wisconsin-Madison·DateApr 20, 2009

Study identifies genes that protect against aging

Researchers at the University of Liverpool have developed a new method to identify genes that help protect the body from age-related changes. The study analyzed over five million gene measurements across multiple tissue types in animals and humans, highlighting key biological mechanisms that allow the body to adapt to aging.

SourceUniversity of Liverpool·JournalBioinformatics·DateApr 20, 2009

Study finds blood cells can be reprogrammed to act as embryonic stem cells

Scientists have successfully reprogrammed blood cells into cells that mimic embryonic stem cells, opening up new avenues for research and potential treatment of diseases. The discovery provides an accessible source of stem cells, which can be used to study various diseases and develop new therapies.

SourceAmerican Society of Hematology·JournalBlood·DateApr 20, 2009
Apple iPhone 17 Pro

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

JCI table of contents: April 20, 2009

A study found that consuming fructose-sweetened beverages increases visceral adiposity and lipids while decreasing insulin sensitivity in overweight/obese humans. This increase in heart attack susceptibility remains unknown due to long-term effects of fructose over-consumption.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 20, 2009

Consumers respond to lower calorie beverage options

A recent analysis of government data confirms that consumers of all ages are increasing their consumption of lower-calorie beverages. The study found that full-calorie soft drinks, milk, and juice have decreased in consumption, while diet beverages have increased, especially among young boys and women in their 20s and 30s.

SourceStrategic Communications·DateApr 20, 2009

Acupuncture eases radiation-induced dry mouth in cancer patients

Researchers at the University of Texas M.D. Anderson Cancer Center report that acupuncture treatments can significantly improve symptoms of xerostomia, a debilitating condition caused by radiation therapy for head and neck cancer. The treatment showed highly statistically significant improvements in saliva flow and quality-of-life scores.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalHead & Neck·DateApr 20, 2009
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.

Embargoed news from Annals of Internal Medicine

Researchers found that patient-tailored treatment regimens may have a more positive impact than strict glycemic control in managing type 2 diabetes. Additionally, universal insurance coverage may reduce race-based health care disparities by improving chronic disease control among patients from different racial or ethnic groups.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateApr 20, 2009
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.

How cells change gears: New insights published in Nature Genetics

Researchers used computational approaches to analyze a human myeloid leukemia cell line's transcription factor network. They identified specific subnetworks of proteins that play a role in cell differentiation, and found the network to be redundant and resilient.

SourceUniversity of California - San Diego·JournalNature Genetics·DateApr 20, 2009

Multiple purchase options? How marketers influence consumer agendas

A new study examines how marketers can enhance target options by introducing unique categorical features, reducing the decoy's impact. The authors found that changes in destination, laptop computer type, and camera phone brand decreased the attractiveness of the decoy option.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateApr 20, 2009

Free online toolkit provides standard measures for genome and population studies

The PhenX toolkit provides a set of standardized measures for research subjects' physical characteristics and environmental exposures. This will allow researchers to compare data from multiple studies, accelerating efforts to understand the complex genetic and environmental factors that cause common diseases. The toolkit contains stand...

SourceNIH/National Human Genome Research Institute·DateApr 20, 2009

FANTOM findings boost for biologists

The FANTOM4 consortium has published several milestone papers in Nature Genetics and BioMed Central journals, providing new data on genomic regulatory blocks and chromatin conformation signatures. These findings have the potential to revolutionize our understanding of gene regulation and cell differentiation.

SourceBMC (BioMed Central)·JournalGenome Biology·DateApr 20, 2009
Fluke 87V Industrial Digital Multimeter

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

Repairing a 'bad' reputation?

A team of scientists found that the p75 receptor molecule has a neuroprotective effect on the sympathetic nervous system in mice with Alzheimer's disease, challenging the prevailing view of its harmful role. The study suggests that p75 could be a target for new protocols to manage dementia and memory loss.

SourceSalk Institute·JournalProceedings of the National Academy of Sciences·DateApr 20, 2009

Defining the link between anti-TNF therapies and increased tuberculosis

A study by Steffen Stenger and colleagues found that anti-TNF therapies, such as infliximab, decrease the immune system's ability to fight infections, including tuberculosis. The researchers identified a key immune cell subset, CD45RA+ effector memory CD8+ T cells, which plays a major role in targeting the bacterium that causes TB.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 20, 2009

Driven to distraction? Taking your mind off a decision can help

A new study examines how distraction affects product decisions and finds that it can be helpful for those with a configural mindset. Consumers who focus on overall impressions of products make more accurate evaluations after being distracted.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateApr 20, 2009
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.

Controlling our brain's perception of emotional events

A study by Nicole Lauzon and Dr. Steven Laviolette found specific receptors in the brain can control emotional significance and memory formation for traumatic events, offering new therapeutic treatments for psychiatric disorders like Schizophrenia and PTSD.

SourceUniversity of Western Ontario·DateApr 20, 2009

Human stem cells promote healing of diabetic ulcers

Researchers have found that human foetal stem cells can effectively treat back leg ischaemic ulcers in a model of type 1 diabetes. The culture mimics the wound-healing ability of the cells, suggesting they could be used as a 'factory' of wound-healing substances.

SourceUniversity of Bristol·JournalCirculation Research·DateApr 20, 2009

Radiation exposure associated with more aggressive thyroid cancer, worse outcomes

Patients with a history of radiation exposure are more likely to develop aggressive thyroid cancer and experience worse clinical outcomes. The study found that radiation-exposed patients were more likely to undergo total or near-total thyroidectomy, have distant metastases, and die from the disease.

SourceJAMA Network·JournalArchives of Otolaryngology - Head and Neck Surgery·DateApr 20, 2009
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.

Pesticide exposure found to increase risk of Parkinson's disease

Researchers found a 75% increased risk of Parkinson's disease among Central Valley residents exposed to maneb and paraquat between 1974 and 1999. Earlier exposure, particularly in childhood or adolescence, significantly increased the risk, especially for those diagnosed at age 60 or younger.

SourceUniversity of California - Los Angeles·JournalAmerican Journal of Epidemiology·DateApr 20, 2009

News coverage of trans fat prompts shoppers to avoid certain products

A study found that news coverage of trans fat can reduce short-term purchases of high-fat products, but this effect does not last. The study suggests that broader changes in food policy and public education are needed to sustain long-term reductions in trans-fat consumption.

SourceIQ Solutions, Inc.·JournalAmerican Journal of Preventive Medicine·DateApr 20, 2009

Grapefruit juice boosts drug's anti-cancer effects

Researchers found that combining grapefruit juice with the cancer drug rapamycin can increase its effectiveness in treating various types of cancer. Twenty-five patients showed stable disease or partial response to the treatment, with some experiencing reduced side effects due to increased bioavailability.

SourceUniversity of Chicago Medical Center·DateApr 20, 2009
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Autopilot guides proteins in brain

Researchers discovered a sorting mechanism that filters proteins into dendrites and axons, enabling finer control over neurons. The study's findings may enable more precise targeting of neurological disorders and basic research applications.

SourceUniversity of Southern California·JournalNature Neuroscience·DateApr 20, 2009

High levels of PEA-15 shrink breast cancer tumors

Researchers at University of Texas M. D. Anderson Cancer Center found that overexpressing PEA-15 in breast cancer grafts in mice resulted in nearly undetectable tumor levels after 35 days. This suggests PEA-15 as a new, important target for therapy.

SourceUniversity of Texas M. D. Anderson Cancer Center·DateApr 20, 2009
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.

New hope for treatment of neurodegenerative disorder

Researchers from USC have discovered a potential treatment for Huntington's disease using gene therapy. They found that over-expressing the RCAN1-1L gene can rescue cells from the toxic effects of the disease. This breakthrough offers new avenues for treatment and may have implications for other CAG repeat-related diseases.

SourceUniversity of Southern California·JournalJournal of Biological Chemistry·DateApr 20, 2009

Grouping muscles to make controlling limbs easier

A team of researchers at Northwestern University discovered a new approach to control movement in limbs by grouping muscles, which could simplify the restoration of muscle movements in people with paralysis. By reducing the number of variables, this method can achieve similar results as controlling individual muscles.

SourceNorthwestern University·JournalProceedings of the National Academy of Sciences·DateApr 20, 2009

Global markets: Chinese consumers respond to Western brands

A new study reveals that Chinese consumers attach political meanings to Western brands and connect them to important moments in Chinese history. Chinese consumers are finding ways to appropriate symbols and goods to create a new Chinese narrative, infusing Western brands with meaning and articulating a reaction to the West.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateApr 20, 2009

When every photon counts

Researchers found that nocturnal mammals have an inverted chromatin arrangement in their rod nuclei, which acts as micro-lenses to focus light. This unique organization enhances night vision and provides new insights into the evolution of mammalian retinas.

SourceMax-Planck-Gesellschaft·JournalCell·DateApr 20, 2009
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.

Middle-school math classes are key to closing racial academic achievement gap

A University of Illinois study suggests that challenging middle-school math classes and increased access to advanced courses can close the racial academic achievement gap. The research found that students who take more advanced math courses in middle school have better academic outcomes and are less likely to fall behind.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalAmerican Educational Research Journal·DateApr 20, 2009

Surgical education programs have demand for physician assistants and nurse practitioners

A study in Journal of the American College of Surgeons found that surgical education programs are increasingly hiring physician assistants and nurse practitioners (PEs) to alleviate administrative burdens on residents. PEs were utilized mostly for procedural and administrative duties, with nearly 80% of programs having at least one PE.

SourceWeber Shandwick Worldwide·JournalJournal of the American College of Surgeons·DateApr 20, 2009

Psoriasis associated with diabetes and high blood pressure in women

A study of 78,061 women found that those with psoriasis were 63% more likely to develop diabetes and 17% more likely to develop hypertension than women without psoriasis. Systemic inflammation in psoriasis may be a biologically plausible explanation for the association.

SourceJAMA Network·JournalArchives of Dermatology·DateApr 20, 2009
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.

Scientists discover 'dancing' algae

Researchers at the University of Cambridge discovered 'dancing' algae, Volvox, that form stable groupings and exhibit unique waltzing and minuet patterns. The 'dance' is held together by fluid flows and induced attraction between colonies.

SourceUniversity of Cambridge·JournalPhysical Review Letters·DateApr 20, 2009

Robot improves suture proficiency more rapidly for surgeons inexperienced in laparoscopic techniques

A study published in the Journal of the American College of Surgeons found that robotic-assisted laparoscopic surgery (RALS) allows inexperienced surgeons to learn and perform suturing more efficiently than traditional methods. The study showed RALS resulted in shorter procedural times and improved outcomes compared to freehand laparos...

SourceWeber Shandwick Worldwide·JournalJournal of the American College of Surgeons·DateApr 20, 2009

Study: Lizards bask for more than warmth

Researchers found that chameleons alter their sunbathing behavior in response to their dietary vitamin D intake, regulating UV exposure to maintain optimal levels. The study showed remarkable accuracy in the chameleons' ability to gauge and adjust their UV exposure based on internal vitamin D levels.

SourceUniversity of Chicago Press Journals·JournalPhysiological and Biochemical Zoology·DateApr 20, 2009

Critical turning point can trigger abrupt climate change

A new study from the Niels Bohr Institute suggests that changes in CO2 levels can suddenly reach a critical threshold, triggering dramatic climate shifts. The Earth's climate is controlled by three cycles: orbital eccentricity, axial tilt, and rotation, which influence solar radiation.

SourceUniversity of Copenhagen·JournalPaleoceanography·DateApr 20, 2009
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.

Robot-assisted surgery appears useful for removal of some head and neck tumors

Researchers assessed robot-assisted surgery in treating selected head and neck cancers, finding that the procedure offers limited surgical morbidity, reduced hospital stays, and improved lesion visualization. The study involved 36 patients with oral cavity, throat, or larynx tumors, yielding successful robotic resections in 81% of cases.

SourceJAMA Network·JournalArchives of Otolaryngology - Head and Neck Surgery·DateApr 20, 2009

New insight into Rett syndrome severity

A research collaboration has identified a genetic variation that influences Rett syndrome severity, providing potential new target for treatment. Patients with the normal BDNF genetic variant experienced less severe symptoms, including later onset and fewer seizures.

SourceResearch Australia·JournalNeurology·DateApr 20, 2009

Tragic choices: Is it better for doctors or patient families to decide?

A new study explores how doctors and patient families decide on life-ending treatments, finding that patients who made the choice were more confident but expressed negative emotions. The researchers also found that physicians' framing of the decision can impact emotional responses.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateApr 20, 2009
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.

International team cracks mammalian gene control code

A recent breakthrough in mammalian genome research has revealed a complex network of genetic regulators that subtly influence gene expression in different cells. The discovery of tiny RNAs and retrotransposons has provided valuable insights into the mechanisms behind cellular development and transformation.

SourceResearch Australia·JournalNature Genetics·DateApr 20, 2009

Ecologists put price tag on invasive species

A study by Ecological Society of America reveals the economic costs of invasive species on Europe's ecosystems. The research lists Canada geese and coypu as top invaders causing widespread damage to crops and forests, with estimated annual losses in the UK at €2.8 billion.

SourceEcological Society of America·JournalFrontiers in Ecology and the Environment·DateApr 20, 2009

Integrated regional networks give communities rapid access to life-saving treatment of heart attacks

A new study published in the Journal of the American College of Cardiology: Cardiovascular Interventions found that organized STEMI networks consistently provide the fastest treatment of acute heart attacks, with 86% of patients receiving skilled coronary intervention within 90 minutes. This improvement surpasses the American College o...

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·DateApr 20, 2009
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.