Add BrightSurf on Google Email

Science News for December 4, 2007


Linking players in blood pressure control to metabolic syndrome

Researchers found that mice lacking the renin enzyme are lean and resistant to diet-induced obesity, even without exercise. The study suggests that renin-blocking drugs could improve obesity and insulin sensitivity, providing new insights into the metabolic syndrome.

SourceCell Press·JournalCell Metabolism·DateDec 4, 2007
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.

Mitochondria defects linked to social behavior and spatial memory

Research by Atsuko Kasahara and colleagues found that mitochondrial respiration deficiencies are associated with changed social behavior and elevated spatial memory in laboratory mice. The study suggests a potential link between mitochondrial breakdowns and mental illness in humans.

SourceAmerican Society for Cell Biology·DateDec 4, 2007

Survey confirms Americans prefer root canal treatment by endodontists

A recent survey found that nearly half of respondents would choose an endodontist for their root canal procedure. The American Association of Endodontists reports that endodontists perform an average of 25 root canals per week, significantly more than general dentists who perform about two a week.

SourceEdelman Public Relations, New York·DateDec 4, 2007

Study explores distinction between 'different' and 'uncool'

Researchers Katherine White and Darren W. Dahl found that consumers actively avoid products associated with groups they want to distance themselves from, but not those of outgroups they don't belong to or aren't motivated to avoid. The study highlights the role of social pressure in shaping consumer choices.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateDec 4, 2007
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.

Bone marrow cell transplants help nerve regeneration

Researchers at Kyoto University School of Medicine successfully regenerated damaged nerves using bone marrow cells containing adult stem cells. The transplanted cells differentiated into Schwann cells, promoting axon regeneration and healthier vascularity.

SourceCell Transplantation Center of Excellence for Aging and Brain Repair·JournalCell Transplantation·DateDec 4, 2007

Protein found that may provide relief from neuropathic pain

Researchers from the University of California, San Diego, have identified a protein called LRP1 that may help ease neuropathic pain by blocking the response of glial cells. The study found that administering LRP1 into injured peripheral nerves decreased the level and activity of proinflammatory cytokines, leading to reduced pain.

SourceUniversity of California - San Diego·JournalJournal of Clinical Investigation·DateDec 4, 2007

Different anti-coagulant regimens yield equal results

A study of over 13,000 patients found that bivalirudin alone and other regimens have comparable mortality and ischemic outcomes at 1 year. Bivalirudin monotherapy reduces bleeding complications and hospital costs, making it a favored treatment option

SourceCardiovascular Research Foundation·JournalJAMA·DateDec 4, 2007

Cosmopolitan microbes -- hitchhikers on Darwin's dust

Scientists have confirmed that microbes can travel across continents on dust particles, surviving for centuries and defying intercontinental transport. Geo-chemical analyses of Charles Darwin's samples revealed diverse microbes, including ascomycetes and eubacteria, with wind-fractionated dust from West Africa reaching the Caribbean.

SourceWiley·JournalEnvironmental Microbiology·DateDec 4, 2007
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.

Why do high school seniors drink?

A new study identifies four major motivators for high school senior drinking: experimentation, thrill-seeking, relaxation, and coping with life issues. Students who drink for these reasons show the heaviest and most problematic drinking behaviors, according to the study published in Prevention Science.

SourceSociety for Prevention Research·JournalPrevention Science·DateDec 4, 2007

Technique controls nanoparticle size, makes large numbers

Researchers have developed a method to control the size of nanoparticles, allowing for mass production and diverse applications. This breakthrough has significant implications for fields like medicine, renewable energy, and cosmetics, where nanoparticles can be tailored to perform specific tasks.

SourceWashington University in St. Louis·JournalNanotechnology·DateDec 4, 2007

Smaller babies more prone to depression, anxiety later on

A landmark public health study has found that people who had a low birth weight are more likely to experience depression and anxiety later in life. The study, which analyzed data from over 4,600 people born in Great Britain in 1946, suggests a dose-response relationship between birth weight and mental health outcomes.

SourceUniversity of Alberta·JournalBiological Psychiatry·DateDec 4, 2007
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.

Stowers Institute's Hawley Lab identifies factors responsible for restart of meiotic cycle

The Hawley Lab has identified two molecular mechanisms that restart the meiotic cycle in oocytes, including the controlled expression of Polo kinase and the inactivation of inhibitory protein Matrimony. This discovery has significant implications for understanding egg maturation and releasing, as well as treating infertility and cancer.

SourceStowers Institute for Medical Research·JournalPLOS Biology·DateDec 4, 2007

Did life begin between the sheets -- the mica sheets?

The 'mica hypothesis' proposes that the narrow spaces between nonliving mica layers provided conditions for the rise of the first biomolecules. Mica's structure offers support, shelter, and an energy source for precellular life.

SourceAmerican Society for Cell Biology·DateDec 4, 2007

Patients wonder, 'Could this be something serious?'

A study led by Ronald Epstein found that doctors voiced empathy in only 15% of office visits, despite repeated prompting from patients. Patients reported high satisfaction when doctors empathized with them, especially in challenging situations.

SourceUniversity of Rochester Medical Center·JournalJournal of General Internal Medicine·DateDec 4, 2007

It's not just a kid thing: Fluoridated tap water benefits older adults even more

A recent study by Indiana University researchers found that fluoridated tap water reduces dental fillings and costs for all age groups, with older adults benefiting the most due to limited access to dental insurance. The study breaks new ground on adult dentistry, highlighting the importance of community water fluoridation for people o...

SourceIndiana University·JournalJournal of Public Health Dentistry·DateDec 4, 2007
Apple iPhone 17 Pro

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

A company's good reputation can be a bad thing

A study by Michelle L. Roehm and Michael K. Brady found that high-equity brands initially face a disadvantage after failure, but may fare better when the issue is severe. This phenomenon can be attributed to a reduction in cognitive resources, allowing customers to focus on resolving the problem rather than re-evaluating the brand.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateDec 4, 2007

World's most powerful MRI ready to scan human brain

The University of Illinois Chicago's 9.4 Tesla MRI successfully completed safety trials, allowing for the visualization of biological processes in the human brain. This technology has the potential to tailor radiation therapy based on a brain tumor's real-time response to treatment.

SourceUniversity of Illinois Chicago·JournalJournal of Magnetic Resonance Imaging·DateDec 4, 2007

Labeling keeps our knowledge organized, study shows

Researchers found that learning different names for things makes it easier to place them into the correct categories. In a series of experiments, participants learned labels for aliens on a computer screen and categorized them into two types, demonstrating that redundant labels facilitate learning of novel categories.

SourceAssociation for Psychological Science·JournalPsychological Science·DateDec 4, 2007
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.

NCI renewal grant to develop new cancer therapies

A Virginia Commonwealth University research team has received a $1.3 million NCI grant to improve histone deacetylase inhibitors in treating leukemia. The goal is to develop novel combination regimens incorporating these agents with NF-kappa B antagonists.

SourceVirginia Commonwealth University·DateDec 4, 2007
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.

Protein controls blood vessel formation, offers new drug target

Researchers have discovered a protein called CIB1 that plays a major role in controlling new blood vessel growth, providing a potential target for drug therapies. The findings may help control unwanted blood vessel growth in diseases such as diabetic retinopathy and wound healing.

SourceUniversity of North Carolina at Chapel Hill·JournalCirculation Research·DateDec 4, 2007

Featured articles in December issue of BSSA

New research at Yucca Mountain, Nevada, limits potential ground movement to 3.6 meters per second, reducing earthquake risk. Small earthquakes may serve as predictors for large ones, contradicting conventional seismology theories.

SourceSeismological Society of America·JournalBulletin of the Seismological Society of America·DateDec 4, 2007

Test-drive: Using a product before buying it changes what you want

A study by Rebecca W. Hamilton and Debora Viana Thompson found that consumers who try products before buying them prefer simpler products that are easier to use, rather than those with more features. After direct experience, consumers focus on product feasibility over desirability.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateDec 4, 2007

Waistline growth on high-carb diets linked to liver gene

A University of Wisconsin-Madison study reveals a genetic basis for why high-carb diets lead to weight gain. The SCD-1 gene in the liver is responsible for synthesizing fatty acids, and when this gene is active, mice on high-carb diets store excess energy as fat.

SourceUniversity of Wisconsin-Madison·JournalCell Metabolism·DateDec 4, 2007
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.

Microbial fuel cells turn on the juice

Researchers at Washington University in St. Louis are developing microbial fuel cell kits and educational materials to teach high school students about science and engineering. The technology can efficiently convert dilute organic waste streams into electricity, making it a promising alternative for waste-to-energy conversion.

SourceWashington University in St. Louis·DateDec 4, 2007

Price of lower-calorie foods rising drastically, researchers find

A University of Washington study finds that the prices of lower-calorie foods have risen nearly 20% in two years, while energy-dense foods remain stable or drop in price. This disparity may make it difficult for consumers to maintain a healthy diet.

SourceUniversity of Washington·JournalJournal of the American Dietetic Association·DateDec 4, 2007

A call to action to prevent chronic diseases

Achieving a 2% annual reduction in mortality rates due to chronic diseases could prevent 36 million deaths by 2015. The authors urge key players, including governments, industries, and NGOs, to prioritize policies and programs to tackle chronic diseases, such as tobacco control, diet modification, and physical activity promotion.

SourceThe Lancet_DELETED·JournalThe Lancet·DateDec 4, 2007

Donors must play catch-up with the reality of chronic diseases

The Lancet report highlights the need for donors to invest in chronic disease prevention and treatment. The authors argue that evidence is not dichotomous, but rather a continuum that should trigger action under certain conditions. Policymakers must evaluate the level of evidence required before intervening.

SourceThe Lancet_DELETED·JournalThe Lancet·DateDec 4, 2007

Liver transplant offers survival benefits for patients of all sizes

A study of 25,647 adult liver transplant candidates found that obesity alone should not exclude patients from transplantation. Patients with high BMIs experience a significant survival benefit from liver transplantation and have similar rates of mortality after transplant compared to patients with normal BMI.

SourceWiley·JournalLiver Transplantation·DateDec 4, 2007
Celestron NexStar 8SE Computerized Telescope

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

Spanish ecologists discover a novel route of viral transmission

Researchers found that avian polyomaviruses spread through an 'upwards vertical' route, from offspring to parents via nestling faeces, highlighting a previously unnoticed cost of parental care. This study may open new research agendas on the evolution of virulence and coevolution of vectors, viruses, and hosts in the wild.

SourcePLOS·JournalPLOS ONE·DateDec 4, 2007

Research forecasts increased chances for stormy weather

A study led by Purdue University predicts a significant increase in severe storms in the US, with areas like Atlanta and New York seeing more than double the chances of severe thunderstorms by the end of the century. The research used climate models to examine favorable conditions for storm formation.

SourcePurdue University·JournalProceedings of the National Academy of Sciences·DateDec 4, 2007

Greater parental guidance suggested for noisy toy use

Researchers found popular holiday toys emit sounds at decibel levels of 100 or more, equivalent to a power saw or subway train, posing a risk of permanent hearing damage. Parents are advised to provide guidance on safe toy use and volume control on personal media devices.

SourceUniversity of California - Irvine·DateDec 4, 2007

The evidence supporting intervention in chronic diseases

A new study in The Lancet Chronic Diseases Series concludes that various interventions, including tobacco control, salt reduction, and multidrug regimens, are cost-effective and should be scaled up globally. These measures have been shown to lead to substantial reductions in cardiovascular disease mortality.

SourceThe Lancet_DELETED·JournalThe Lancet·DateDec 4, 2007
Fluke 87V Industrial Digital Multimeter

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

Research finds allergic children exposed to peanuts at younger ages despite recommendations to avoid

A study published in Pediatrics found that children with peanut allergies are being exposed to peanuts at younger ages than recommended. The median age of first exposure and reaction dropped from 22-24 months to 14-18 months over the last decade, suggesting a potential conflict between guidelines and real-world practices.

SourceChildren's Hospital of Pittsburgh·JournalPEDIATRICS·DateDec 4, 2007

Optimism isn't always healthy

A new study in Journal of Consumer Research found that optimistic thinking about future goals can lead to detrimental decisions, such as overindulging in unhealthy snacks. In contrast, focusing on commitment to a goal results in more consistent actions with its attainment.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateDec 4, 2007

Health education about dengue fever 'insufficient' in Cambodia

A recent study published in PLoS Neglected Tropical Diseases found that health education regarding the prevention, diagnosis, and treatment of dengue fever is inadequate in Cambodia. The study suggests that these educational programs are accorded low priority, leading to poor resource allocation and lack of effective messaging.

SourcePLOS·JournalPLOS Neglected Tropical Diseases·DateDec 4, 2007
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.

Fighting diseases of aging by wasting energy

By inefficiently powering mouse muscles, researchers found increased metabolic rates reduced vascular disease, obesity, and cancer, with no impact on the aging process itself. This approach may provide a novel strategy to address age-related diseases without slowing down aging.

SourceCell Press·DateDec 4, 2007

Some common treatments for sinus infections may not be effective

A study found that common treatments for acute sinusitis, including antibiotics and topical steroids, were not more effective than placebo in altering symptom severity, duration, or natural history. Topical steroids were likely to be effective in patients with less severe symptoms at presentation.

SourceJAMA Network·JournalJAMA·DateDec 4, 2007

Decoy makes sitting duck of superbugs

Scientists have developed a DNA-based therapy that can switch off antibiotic resistance in bacteria by delivering a short stretch of DNA as a decoy. This technology has the potential to slash the development time of new drugs and could give fresh patent life to existing antibiotics.

SourceNorwich BioScience Institutes·JournalProceedings of the National Academy of Sciences·DateDec 4, 2007

AACR introduces Cancer Prevention Research

Cancer Prevention Research is the world's first peer-reviewed scientific journal dedicated exclusively to cancer prevention. The journal will cover various disciplines, including molecular biology, medical oncology, and nutritional science, with an emphasis on linking preclinical and clinical research.

SourceAmerican Association for Cancer Research·JournalCancer Prevention Research·DateDec 4, 2007
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.

Neanderthal bearing teeth

A 100,000-year-old Neanderthal from Belgium showed faster tooth growth, suggesting more advanced dental development. This pattern is intermediate between early human ancestors and living people, indicating a recent condition unique to our species.

SourceMax-Planck-Gesellschaft·JournalProceedings of the National Academy of Sciences·DateDec 4, 2007

K-State researchers findings on E. coli

Recent research at Kansas State University found that cattle fed distiller's grain have an increased prevalence of E. coli 0157, posing a health risk to humans through undercooked meat and contaminated produce.

SourceKansas State University·JournalApplied and Environmental Microbiology·DateDec 4, 2007

Can fruit flies help treat stroke and transplant patients?

Researchers discovered that fruit flies experience irreversible damage to their respiratory systems when exposed to brief bursts of oxygen after being starved of oxygen. This model provides a low-cost alternative for studying reperfusion injury, potentially leading to faster progress in mitigating its effects on humans.

SourcePLOS·JournalPLOS ONE·DateDec 4, 2007

New hypothesis for origin of life proposed

A new hypothesis suggests that life emerged in the confined spaces between mica layers in ancient oceans. This model provides a more plausible explanation than existing prebiotic and 'pizza' hypotheses, explaining how early biomolecules formed and evolved.

SourceUniversity of California - Santa Barbara·DateDec 4, 2007
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.

Green morality

Research by Albert Bandura highlights how disguising environmentally harmful practices can have a negative impact on the environment and quality of life. He argues that we must switch on our environmental conscience to save the world from ecological degradation.

SourceInderscience Publishers·JournalInternational Journal of Innovation and Sustainable Development·DateDec 4, 2007

Pass the popcorn! Study finds that film enjoyment is contagious

A study published in Journal of Consumer Research found that people who watch movies together synchronize their emotional responses, leading to a shared experience. This social influence affects participants' evaluations, making them like the movie more when they're in sync with others.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateDec 4, 2007