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Science News for August 10, 2011


How do consumers revise their unreachable goals?

A new study in the Journal of Consumer Research introduces a model capturing the process of goal revision. Consumers tend to set and revise goals, with adjustments influenced by factors such as motivation, external pressures, and previous achievements.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateAug 10, 2011
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.

Genetically modified 'serial killer' T cells obliterate tumors in leukemia patients

Researchers at the University of Pennsylvania have successfully treated advanced chronic lymphocytic leukemia (CLL) patients with genetically engineered 'serial killer' T cells. The treatment involves removing and reprogramming patient cells to target specific proteins, resulting in sustained remissions and reduced side effects.

SourceUniversity of Pennsylvania School of Medicine·JournalScience Translational Medicine·DateAug 10, 2011

Consumers' close encounters with nanoparticles

The use of nanoparticles in sunscreens has sparked controversy over potential health effects. Scientific evidence suggests a link between particle penetration and undesirable body reactions, but proven benefits in reducing skin cancer risk outweigh theoretical concerns.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateAug 10, 2011

Pharmacist-directed anticoagulation service improves care coordination

A pharmacist-directed anticoagulation service improves the transition of care for patients treated with warfarin, enhancing communication between hospital and outpatient clinicians. The study found a 5% decline in bleeding and thrombosis risk for patients treated by the service.

SourceHenry Ford Health·JournalJournal of Hospital Medicine·DateAug 10, 2011

Trudeau Institute announces new discovery in battle against infections

Researchers at the Trudeau Institute have identified a previously unknown link between the migration of white blood cells to infected tissues and their ability to survive as long-lived memory cells. This discovery aims to improve vaccine efficacy, particularly for the elderly population.

SourceTrudeau Institute·JournalJournal of Experimental Medicine·DateAug 10, 2011
Apple iPhone 17 Pro

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

Light switch: U.Va. study finds increased light may moderate fearful reactions

A University of Virginia study found that intense light enhances fear or anxiety in mice, while dimmer light reduces it. The researchers discovered that the visual pathway responsible for this behavior is in the rods and cones, which can be used to treat depression and anxiety disorders.

SourceUniversity of Virginia·JournalProceedings of the National Academy of Sciences·DateAug 10, 2011

Bird song-sharing like verbal sparring

Research at Queen's University Biological Station reveals that singing shared songs is an attention-seeking behavior often displayed by older males. Song sharing is linked to individual differences like age and neighborhood characteristics.

SourceQueen's University·JournalBehavioral Ecology and Sociobiology·DateAug 10, 2011
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.

Blood tests for active TB not accurate or cost-effective

Researchers found that commercial blood serum antibody tests are not accurate or cost-effective for diagnosing active TB, leading to more false-positive diagnoses and secondary infections. The World Health Organization has recommended against using these tests in the diagnosis of active TB.

SourceJohns Hopkins Bloomberg School of Public Health·JournalPLOS Medicine·DateAug 10, 2011

From worm to man

Researchers studied flatworms to understand how they regenerate their excretory systems from scratch, providing clues about the evolutionary origin of mammalian kidneys. They found that flatworm protonephridia, a complex epithelial organ, shares structural similarities with mammalian nephrons.

SourceStowers Institute for Medical Research·JournalDevelopment·DateAug 10, 2011

Exotic quantum crystal discovered

Researchers at Kiel University have discovered a novel state of crystal matter with both compressible and incompressible properties. The discovery was made using extensive computer simulations and sheds light on the behavior of excitons, hydrogen atom-like bound states of electrons and holes.

SourceKiel University·JournalPhysical Review B·DateAug 10, 2011

Tanning bed users exhibit brain changes and behavior similar to addicts

Researchers at UT Southwestern Medical Center found that frequent tanning bed users exhibit brain activity and blood flow patterns similar to those of people addicted to drugs or alcohol. The study suggests that the rewarding effects of tanning beds may lead to compulsive behavior despite the increased risk of skin cancer.

SourceUT Southwestern Medical Center·JournalAddiction Biology·DateAug 10, 2011
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.

New American Chemical Society podcast: Banana peels purify contaminated water

Scientists have found that minced banana peels can quickly remove toxic metals like lead and copper from river water. The banana peel purification apparatus can be reused up to 11 times without losing its effectiveness, making it a promising alternative to traditional methods.

SourceAmerican Chemical Society·JournalIndustrial & Engineering Chemistry Research·DateAug 10, 2011

Scared of the wrong things: Lack of major enzyme causes poor threat-assessment in mice

Researchers at the University of Southern California found that mice lacking a key enzyme are unable to properly assess threats, leading to defensive behaviors in response to neutral stimuli and reduced caution in the presence of danger. The study suggests that this deficiency may be related to an inability to adapt to environmental cues.

SourceUniversity of Southern California·JournalInternational Journal of Neuropharmacology·DateAug 10, 2011

Study finds popular muscle-boosting supplement does not increase blood flow

A Baylor University study found that NO2 Platinum, a muscle-strengthening supplement, has no significant impact on blood flow. The researchers saw a slight increase in blood flow after exercise but attributed it to resistance exercise rather than the supplement.

SourceBaylor University·JournalInternational Journal of Sport Nutrition and Exercise Metabolism·DateAug 10, 2011
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.

UNH researcher discovers research manipulated to support pro-eugenic beliefs

A University of New Hampshire researcher has discovered that Yale psychologist Arnold Gesell manipulated his photographic record to support his pro-eugenic thesis. Gesell's research falsely accused Alma, Wisconsin of being overrun with mentally and morally unfit people, a claim that has been debunked by the new discovery.

SourceUniversity of New Hampshire·JournalHistory of Psychology·DateAug 10, 2011

Fading ability to taste iron raises health concerns for people over age 50

Researchers report that people over age 50 tend to miss the metallic taste of iron in water, even at levels above EPA thresholds. This decline in taste perception raises health concerns for older adults who may be at increased risk for conditions like Alzheimer's disease and other age-related issues.

SourceVirginia Tech·JournalEnvironmental Science & Technology·DateAug 10, 2011

Paper money worldwide contains bisphenol A

A new study finds that paper money from around the world contains bisphenol A, a potentially toxic substance. The amounts of BPA on currency are higher than in house dust, but human intake is lower due to dermal absorption.

SourceAmerican Chemical Society·JournalEnvironmental Science & Technology·DateAug 10, 2011

Think fast: The neural circuitry of reaction time

A new study uses advanced analysis to predict reaction time by assessing neural firing rates in the brain. The research found that the degree of neural activity advancement at the 'go' cue significantly affects reaction time.

SourceCell Press·JournalNeuron·DateAug 10, 2011
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.

Metabolism in reverse: Making biofuels at full-throttle pace

Rice University researchers developed a method to rapidly convert glucose into biofuels and petrochemical substitutes by reversing the beta oxidation cycle in bacteria. They produced butanol, a biofuel, about 10 times faster than previously reported organisms, using cheap feedstocks like glucose and mineral salts.

SourceRice University·JournalNature·DateAug 10, 2011

Study finds high levels of flame-retardant chemicals in California pregnant women

A pilot study at UCSF found the highest levels ever reported of banned flame retardants among pregnant women worldwide, with high levels associated with thyroid hormone disruption. The chemicals were linked to liver, thyroid, and neurodevelopmental toxicity, highlighting concerns over exposure in lower-income populations.

SourceUniversity of California - San Francisco·JournalEnvironmental Science & Technology·DateAug 10, 2011

UCI studies find different reasons for global methane riddle

Two UC Irvine papers suggest that reduced use of petroleum and increased capture of natural gas contributed to the leveling off of methane levels in the atmosphere. In contrast, a second study found that changes in Asian farming practices, particularly the use of inorganic fertilizers, were a key factor in reducing methane emissions.

SourceUniversity of California - Irvine·JournalNature·DateAug 10, 2011
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.

Get off the couch, please

A Northwestern University study reveals that people with arthritis are not engaging in physical activity critical to their health. The research found that more than half of women and 40 percent of men with arthritis were inactive.

SourceNorthwestern University·JournalArthritis & Rheumatism·DateAug 10, 2011

Escaping gravity's clutches: The black hole breakout

New research by University of York scientists proposes that quantum mechanics could be the key to understanding how black holes work, potentially allowing information to escape. The study's findings suggest a possible breakthrough in our understanding of gravity and its relationship with space and time.

SourceUniversity of York·JournalPhysical Review Letters·DateAug 10, 2011

Poultry farms that go organic have significantly fewer antibiotic-resistant bacteria

A study by the University of Maryland School of Public Health found that organic poultry farms have lower levels of drug-resistant enterococci bacteria compared to conventional farms. This suggests that removing antibiotics from large-scale U.S. poultry farms can lead to immediate and significant reductions in antibiotic resistance for...

SourceUniversity of Maryland·JournalEnvironmental Health Perspectives·DateAug 10, 2011

Pulling a fast one: How do consumers react to zippy disclaimers?

A new study found that fast disclaimers can harm purchase intentions for unknown or distrusted brands, while trusted brands can use them without issue. Advertisers promoting trusted brands may save time by using fast disclaimers, but regulators need to consider the impact on consumer trust and advertising policies.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateAug 10, 2011
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.

Heart patients could benefit from different drug, study shows

A global study led by University of Edinburgh found that rivaroxaban is as effective as warfarin in reducing stroke risk for patients with irregular heartbeats. The new treatment has a lower risk of fatal bleeding and requires less monitoring than the current standard treatment.

SourceUniversity of Edinburgh·JournalNew England Journal of Medicine·DateAug 10, 2011

INRS researchers improve performance of iron-based catalysts

Researchers at INRS have developed a new iron-based catalyst capable of generating more electric power in fuel cells. This breakthrough could pave the way for the use of iron-based catalysts instead of rare and expensive platinum-based ones, enabling the production of more efficient fuel cells for transportation applications.

SourceInstitut national de la recherche scientifique - INRS·JournalNature Communications·DateAug 10, 2011

Woods Hole team joins NOAA's Battle of the Atlantic

A Woods Hole team joins forces with NOAA to map and survey shipwrecks off North Carolina, a critical piece of WWII history. The mission aims to create detailed 3D images of wrecks using ROVs and dive teams, providing insights into the marine environment and potential new discoveries.

SourceWoods Hole Oceanographic Institution·DateAug 10, 2011

Divot resistance in golf course turfgrass

A study by Purdue University and the University of Arkansas evaluated 12 bermudagrass and zoysiagrass cultivars for divot resistance. The results show that some grasses are more resistant to divoting than others, which can help reduce maintenance inputs and costs.

SourceAmerican Society of Agronomy·JournalCrop Science·DateAug 10, 2011
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.

Hydrogen highway in the deep sea

Researchers have discovered hydrogen-powered symbiotic bacteria in deep-sea mussels, which use hydrogen as an energy source. The ability to harness hydrogen is widespread in hydrothermal vent symbioses, with one mussel population consuming up to 5000 liters of hydrogen per hour.

SourceMax-Planck-Gesellschaft·JournalNature·DateAug 10, 2011

Genetically engineered spider silk for gene therapy

A new study develops and tests genetically engineered spider silk for safe and efficient gene delivery, offering a promising alternative to viral vectors. The material successfully attaches to diseased cells and injects DNA without harming mice in lab studies.

SourceAmerican Chemical Society·JournalBioconjugate Chemistry·DateAug 10, 2011

Odds for detecting HIV varies by method, new study finds

Researchers found that HIV detection odds differ by method, with social networks and partner services outperforming alternative venue testing. The study suggests a multi-faceted approach to HIV prevention is needed, acknowledging individual differences within the demographic.

SourceNew York University·JournalAnnals of Behavioral Medicine·DateAug 10, 2011

Rehab robots lend stroke patients a hand

A new study published in Clinical Rehabilitation found that robot-assisted therapy, combined with functional task training, significantly improved functional arm use and bimanual arm activity in daily life among stroke patients. The study used accelerometers to measure real-world arm activity and showed that this type of therapy can pr...

SourceSAGE·JournalClinical Rehabilitation·DateAug 10, 2011
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.

Gut coils with help from its elastic neighbor

Researchers at Harvard discovered that a simple balance of forces determines the formation of the vertebrate gut's predictably loopy shape. The gut grows faster than its attached mesentery tissue, causing it to coil as the elastic forces build up.

SourceHarvard University·JournalNature·DateAug 10, 2011

Study finds marked rise in intensely sexualized images of women, not men

Research by University at Buffalo sociologists reveals a marked increase in the portrayal of women as hypersexualized in popular media, leading to cause for concern about negative consequences. The study found that images of men have become more sexualized over time, but women continue to be more frequently and intensely sexualized.

SourceUniversity at Buffalo·JournalSexuality & Culture·DateAug 10, 2011

A novel mechanism that regulates pro-inflammatory cells is identified

A novel sensory pathway modulates Th17 cell responses, revealing a potential anti-inflammatory mechanism for PI-3K and Akt inhibitors. The study's findings have significant implications for understanding autoimmune diseases and developing new treatments.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalJournal of Experimental Medicine·DateAug 10, 2011
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.

Spoiler alert: Stories are not spoiled by 'spoilers'

A new experimental study from the University of California, San Diego suggests that spoilers don't spoil stories, but rather enhance enjoyment. People who flip to the last page before starting a book have better intuition and prefer spoiled versions of ironic-twist and mystery stories.

SourceUniversity of California - San Diego·JournalPsychological Science·DateAug 10, 2011

Red meat linked to increased risk of type 2 diabetes

A new study by Harvard School of Public Health researchers finds a strong association between the consumption of red meat—particularly when the meat is processed—and an increased risk of type 2 diabetes. Replacing red meat with healthier proteins can significantly lower this risk.

SourceHarvard T.H. Chan School of Public Health·JournalAmerican Journal of Clinical Nutrition·DateAug 10, 2011
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.

Antioxidant spices reduce negative effects of high-fat meal

Researchers at Penn State found that consuming high-fat meals with antioxidant spices reduced triglyceride response by about 30 percent, which may help lower heart disease risk. Adding spices to meals also increased antioxidant activity in the blood by 13 percent.

SourcePenn State·JournalJournal of Nutrition·DateAug 10, 2011
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.

Human-cell-derived model of ALS provides a new way to study the majority of cases

Scientists at Nationwide Children's Hospital have developed a human-cell-derived model of ALS that accurately mimics the majority of cases. The new model reveals that astrocytes may be releasing toxins that contribute to motor neuron degeneration, highlighting the importance of replacing these cells as a potential therapy target.

SourceNationwide Children's Hospital·JournalNature Biotechnology·DateAug 10, 2011

How consumers discriminate

Consumers tend to focus on quality when faced with many choices, leading them to be willing to pay more for high-quality products. The study found that in controlled experiments and natural experiments, participants were prepared to pay up to 40% more for high-quality chocolates and wine when presented with a large assortment of options.

SourceColumbia Business School·JournalJournal of Marketing Research·DateAug 10, 2011
Fluke 87V Industrial Digital Multimeter

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

NIST physicists 'entangle' 2 atoms using microwaves for the first time

Physicists at NIST have successfully linked the quantum properties of two separated ions by manipulating them with microwaves, enabling a new approach to simplify ion-trap quantum computers. The use of microwaves reduces errors introduced by laser beam instabilities and power fluctuations.

SourceNational Institute of Standards and Technology (NIST)·JournalNature·DateAug 10, 2011

Protein preserves muscle and physical function in dieting postmenopausal women

A six-month double-blind study found that higher protein intake during weight loss can offset negative effects on muscle mass by maintaining more muscle relative to the amount of weight lost. Women who ate more protein lost 3.9 percent more weight and had a relative gain of 5.8 percent more thigh muscle volume than woman who did not.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·DateAug 10, 2011
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.

Deep recycling in the Earth faster than thought

The recycling of the Earth's crust in volcanoes is faster than previously thought, with rock from oceanic crust resurfacing in the mantle within half a billion years. This discovery was made using volcanic rock samples and challenges the previous estimate of two billion years.

SourceMax-Planck-Gesellschaft·JournalNature·DateAug 10, 2011

Children's National collaborates with NIH researchers to identify gene variant in Proteus syndrome

A team of researchers at Children's National Medical Center has identified the genetic mutation causing Proteus syndrome, a rare disorder characterized by excessive tissue and bone growth. The study found that a point mutation in the AKT1 gene activates sporadic tissue growth associated with Proteus syndrome.

SourceChildren's National Hospital·JournalNew England Journal of Medicine·DateAug 10, 2011
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.

New study says it's time to stop assuming buyers and salespeople are in 'relationships'

A new study published in the Journal of Consumer Research found that professional buyers do not engage in 'relationships' with salespeople. Buyers prioritize transactions and expect low expectations for future interactions. This challenges traditional marketing strategies focused on building personal bonds with customers.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateAug 10, 2011
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.