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Science News for August 3, 2010


Chili peppers come with blood pressure benefits

A recent study found that long-term dietary consumption of capsaicin in chili peppers can reduce blood pressure in genetically hypertensive rats by activating the TRPV1 channel and increasing nitric oxide production. This could lead to potential benefits for humans with high blood pressure.

SourceCell Press·JournalCell Metabolism·DateAug 3, 2010

ASP announces 2010 T. Franklin Williams Scholars

The Association of Specialty Professors has announced the ninth class of T. Franklin Williams Scholars, supporting research on pulmonary fibrosis, chronic kidney disease, and palliative care for older adults. Seven new investigators will join 75 previous scholars in advancing knowledge on these topics.

SourceAlliance for Academic Internal Medicine·DateAug 3, 2010
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.

UofL public health research could impact environmental policy decisions

A University of Louisville Public Health doctoral student is developing a model to simulate the travel of mercury from an emission source to humans, aiming to inform environmental policy decisions. The research will focus on Kentucky waterways, with the goal of reducing risk to subsistence fishers, anglers, and women of child-bearing age.

SourceUniversity of Louisville·DateAug 3, 2010

Disrupted circadian rhythm may cause triglycerides to rise

A study in mice with disrupted circadian rhythms found that triglyceride levels remain high throughout the day, unlike normal mice whose levels peak at night. The researchers suggest that activities disrupting the circadian rhythm may have real consequences for lipid metabolism.

SourceCell Press·JournalCell Metabolism·DateAug 3, 2010

Researchers document human toll of violence in Central African Republic

Researchers found mortality rates 3-5 times higher than sub-Saharan Africa average, with 81% forced to flee homes since 2002. High percentages reported traumatic events and symptoms consistent with depression and anxiety. The study informs aid programs, security sector reforms and accountability processes.

SourceUniversity of California - Berkeley·JournalJAMA·DateAug 3, 2010
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.

Ecologists to discuss impacts of mountaintop mining at special ESA symposium

Mountaintop removal and valley fill mining are causing permanent alterations to Appalachian forests and streams, with devastating effects on diverse habitats and freshwater resources. Current mitigation efforts do not compensate for the losses, and scientists urge a shift towards renewable energy sources to protect the environment.

SourceCary Institute of Ecosystem Studies·DateAug 3, 2010

They shall not pass!

A study by LMU researchers found that neutrophils play a crucial role in blood coagulation and antimicrobial defense, trapping pathogens in small blood vessels. Excessive clotting, however, can lead to life-threatening conditions like heart attack and stroke.

SourceLudwig-Maximilians-Universität München·JournalNature Medicine·DateAug 3, 2010

Scrap UK's flawed TB screen for immigrants from high-risk countries, urge doctors

Leading respiratory specialists call for a new approach to TB screening for newly arrived immigrants from high-risk countries. They argue that the current system is fundamentally flawed and fails to address the growing number of TB cases in the UK. The authors propose screening new arrivals in community services, rather than relying on...

SourceBMJ Group·JournalThorax·DateAug 3, 2010
Apple iPhone 17 Pro

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

Revascularization in elderly seniors may help survival rates after heart attack

A study published in CMAJ found that revascularization procedures in elderly patients after a heart attack decreased one-year mortality rates from 48.4% to 30%. The use of invasive cardiac procedures and recommended medications increased, contributing to improved survival rates.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateAug 3, 2010

Canada's Children's Fitness Tax Credit benefits wealthier families

A new study by University of Alberta researchers found that wealthier families in Canada get the biggest bang for their buck from the Children's Fitness Tax Credit. Lower-income families can't afford registration fees and therefore qualify less often.

SourceUniversity of Alberta - Faculty of Physical Education and Recreation·JournalBMC Public Health·DateAug 3, 2010

UC Riverside researchers measure diesel emissions on the freeway

A team of UC Riverside researchers is working with the California Air Resources Board to improve a method for measuring diesel particulate emissions. The research could provide the groundwork for strengthening standards for diesel particulates, and has already led to the collection of over 24,000 analytical samples.

SourceUniversity of California - Riverside·DateAug 3, 2010

AGU journal highlights -- Aug. 3

Scientists studied the impact of a prolonged Sun cycle on Earth's conveyor belt and found that it may have led to a longer cycle. Additionally, researchers examined how global water supply sharing affects drought vulnerability, finding that sharing water globally during times of drought can increase societal resilience.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateAug 3, 2010
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.

Meta Quest 3 512GB

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

Faster DNA analysis at room temperature

Paul Li's new technique combines DNA microarrays with microfluidic devices, allowing for faster and more efficient DNA analysis at room temperature. The method uses gold nanoparticles to separate single strands of DNA, enabling quicker detection and identification of specific genetic sequences.

SourceAmerican Institute of Physics·JournalBiomicrofluidics·DateAug 3, 2010

Molecules delivering drugs as they walk

A theoretical model compares the transport characteristics of straight- and branched-chain polymers in channels, shedding light on how deformability affects their movement. The findings could aid in developing carrier molecules for targeted drug delivery.

SourceAmerican Institute of Physics·JournalThe Journal of Chemical Physics·DateAug 3, 2010
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.

Selenium makes more efficient solar cells

A team at Lawrence Berkeley National Laboratory found that adding just 9% selenium to zinc oxide boosts the material's efficiency in absorbing light. This breakthrough potentially addresses both cost and efficiency needs for sustainable solar power conversion.

SourceAmerican Institute of Physics·JournalApplied Physics Letters·DateAug 3, 2010

Mobile obstetrics project improves health of mothers in Eastern Burma

A community-based maternal health delivery strategy known as the MOM Project increased access to maternal health care services for internally displaced women in eastern Burma. The study found a ten-fold increase in women assisted at delivery by emergency obstetric care workers, resulting in improved antenatal and postnatal care outcomes.

SourceJohns Hopkins Bloomberg School of Public Health·JournalPLOS Medicine·DateAug 3, 2010

Culture wires the brain: A cognitive neuroscience perspective

A recent study found that East Asian cultures process information differently than Western cultures, with differences in attention, categorization, and reasoning. Aging has a greater impact on cognitive processes than culture.

SourceAssociation for Psychological Science·JournalPerspectives on Psychological Science·DateAug 3, 2010

New tagging technique enhances view of living cells

A new tagging technique developed by researchers at the University of Illinois Chicago provides a clearer and more dynamic view of protein-protein interactions in living mammalian cells. The technique uses luminescence resonance energy transfer to label proteins with differently colored, luminescent molecules, allowing for faster data ...

SourceUniversity of Illinois Chicago·JournalProceedings of the National Academy of Sciences·DateAug 3, 2010

Scientists unravel human-ecosystem interactions

Researchers examine how humans impact ecosystems through nanomaterials, green roofs, and airborne microbes in hospital settings. Findings reveal altered plant growth, changed microbial communities, and diverse insect species on green roofs.

SourceEcological Society of America·DateAug 3, 2010
Fluke 87V Industrial Digital Multimeter

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

MU researcher says Chinese credit market remains underdeveloped

A recent study by University of Missouri researcher Rui Yao reveals that urban Chinese households maintain high saving rates and are unwilling to utilize credit. The survey shows that only 11% of Chinese households hold debt, compared to nearly 80% in the US.

SourceUniversity of Missouri-Columbia·JournalJournal of Family and Economic Issues·DateAug 3, 2010

Study details autism's heavy toll beyond childhood on marriages

A new study reveals that parents of children with autism are more likely to divorce than couples with typically developing children, particularly after the child reaches adolescence and adulthood. The study found that marital strain may remain high in these later years due to ongoing parenting demands.

SourceUniversity of Wisconsin-Madison·JournalJournal of Family Psychology·DateAug 3, 2010

No such thing as a free lunch for Venus flytraps

Researchers discovered that Venus flytraps convert sugars into carbon dioxide and energy to power their traps, contradicting the idea of passive plants. The plants' digestive process provides a means to capture prey, allowing them to thrive in nutrient-poor environments.

SourceOxford University Press UK·JournalAnnals of Botany·DateAug 3, 2010

Generating energy from ocean waters off Hawaii

The University of Hawaii at Manoa has identified the Leeward side of Hawaiian Islands as a promising location for ocean-based renewable energy plants using seawater to drive massive heat engines. This technology, known as Ocean Thermal Energy Conversion (OTEC), has the potential to produce steady amounts of renewable energy by harnessi...

SourceAmerican Institute of Physics·JournalJournal of Renewable and Sustainable Energy·DateAug 3, 2010
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.

Couch potatoes of the animal kingdom

A study of orangutans found they used remarkably low energy levels, similar to those of sloths. This adaptation may be an evolutionary response to food shortages in their native rainforests, where ripe fruit is unpredictable and scarce.

SourceWashington University in St. Louis·JournalProceedings of the National Academy of Sciences·DateAug 3, 2010

Quality-adjusted life years lost to US adults due to obesity more than doubles from 1993-2008

A new study found that the US adult obesity burden has significantly increased since 1993, with quality-adjusted life years (QALYs) lost due to morbidity and mortality from obesity more than doubling. The prevalence of obesity for US adults rose from 14.1% to 26.7%, and obesity-related QALYs lost followed a similar pattern.

SourceElsevier Health Sciences·JournalAmerican Journal of Preventive Medicine·DateAug 3, 2010

Innovative MOM program may improve maternal health in eastern Burma

A community-based maternal health delivery strategy, MOM, implemented in eastern Burma improved access to antenatal and postnatal care, skilled birth attendants, and family planning. The project increased women's participation in these services by up to tenfold, with modern contraception use rising from 24% to 45%.

SourcePLOS·JournalPLOS Medicine·DateAug 3, 2010
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.

Marine Pied Piper leads Nemo astray

A new study found that short exposure to artificial noise makes fish attracted to inappropriate sounds, putting their survival at risk. The researchers used underwater experiments to show that baby reef fish can learn and remember specific sounds, including those made by humans.

SourceUniversity of Bristol·JournalBehavioral Ecology·DateAug 3, 2010

Oral contraceptive use associated with increased risk of breast cancer

Researchers found that African American women who use oral contraceptives are more likely to develop estrogen receptor negative breast cancer. The study, based on data from the Black Women's Health Study, also revealed a significant increase in risk for women who have used oral contraceptives for 10 or more years.

SourceBoston University School of Medicine·DateAug 3, 2010

Pest-resistant soybeans grow out of MSU research lab

A new trade name, Sparta – the Soybean Aphid Shield, has been developed by Dechun Wang, which promises healthier harvests for growers and a little green for the university too. The resistant genes were isolated from 2,000 strains of soybeans tested against aphids.

SourceMichigan State University·DateAug 3, 2010
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.

Is your hemoglobin 'trending'?

Researchers at Tel Aviv University discovered that low hemoglobin levels can indicate a potential for colon cancer years before it's diagnosed. A continuous long-term decline of more than 0.28 grams per decilitre over a four-year period may serve as a warning of illness on the horizon.

SourceAmerican Friends of Tel Aviv University·JournalEuropean Journal of Cancer Prevention·DateAug 3, 2010
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.

B vitamins do not prevent vascular events in stroke patients

A large trial found that B vitamin supplements did not reduce the risk of subsequent vascular events in patients who had a recent stroke or ischemic attack. Despite lowering homocysteine levels, B vitamins were not effective in preventing non-fatal strokes, heart attacks, or vascular deaths.

SourceThe Lancet_DELETED·JournalThe Lancet Neurology·DateAug 3, 2010

Carnivorous mice spread deadly plague in prairie dog towns, Stanford study finds

A Stanford University study has found that carnivorous grasshopper mice are the primary carriers of the deadly plague disease in prairie dog towns. The research suggests that when grasshopper mouse density becomes high, it leads to an epizootic, resulting in the deaths of virtually all prairie dogs in a town.

SourceStanford University·JournalProceedings of the National Academy of Sciences·DateAug 3, 2010

Scientists develop the first model for investigating the origins of testicular cancer in humans

Researchers have created a human testicular tissue model to study testicular germ cell cancer (TGCC) origins. The model, developed by Dr. Rod Mitchell and Professor Richard Sharpe, enables testing of environmental chemicals' impact on fetal development and may help identify treatments for disorders like Frasier or Denys-Drash syndrome.

SourceEuropean Society of Human Reproduction and Embryology·JournalHuman Reproduction·DateAug 3, 2010
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.

U. Iowa biologists publish findings on cell interactions

Researchers discovered that specific cadherin molecules expand molecular diversity and specificity in cell-cell adhesion, shedding light on autism and mental retardation. The study's findings could lead to a better understanding of synapse formation and brain circuit assembly during normal development.

SourceUniversity of Iowa Health Care·JournalProceedings of the National Academy of Sciences·DateAug 3, 2010

FSU study takes novel approach to understanding pituitary function

Researchers at Florida State University have developed a mathematical model to study prolactin secretion from the pituitary gland, which could lead to new treatments for disorders such as infertility. The study found that oxytocin stimulates prolactin secretion and that dopamine inhibits it.

SourceFlorida State University·DateAug 3, 2010

New drug target for immune diseases discovered

Researchers identified a new signaling pathway between TACI and MyD88 that regulates the immune response. This interaction may cause both protective antibodies against infections and excessive immune reactions in autoimmune diseases.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalNature Immunology·DateAug 3, 2010
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.

New inexpensive solar cell design

Scientists at University of Toronto have developed a new inexpensive solar cell design that uses nickel instead of gold, reducing material costs by 40-80 percent. The design employs low-cost electrical contacts, including nickel, to gather the electrical current produced by colloidal quantum dot solar cells.

SourceAmerican Institute of Physics·JournalApplied Physics Letters·DateAug 3, 2010

Tropical Depression 4 now a small tropical storm named Colin

Tropical Storm Colin formed after strengthening from Tropical Depression 4, with maximum sustained winds near 40 mph and no expected impact on land areas. The storm is moving west-northwest at 23 mph and is forecast to pass northeast of the Leeward Islands late Wednesday and early Thursday.

SourceNASA/Goddard Space Flight Center·DateAug 3, 2010

Cells use water in nano-rotors to power energy conversion

A team of scientists has provided the first atomic-level glimpse of the proton-driven motor from ATP synthases, enzymes central to cellular energy conversion. The study revealed a water molecule in the critical rotor element of a bacterial nano-motor that shares common features with human mitochondria and bacteria.

SourcePLOS·JournalPLOS Biology·DateAug 3, 2010

Scientists develop 'designer protein,' opening new door in cancer research

Researchers at Wake Forest University Baptist Medical Center have identified a way to target and destroy Glioblastoma multiforme (GBM) cells without harming healthy cells. The breakthrough allows for new possibilities in cancer research, potentially leading to less toxic and invasive treatments.

SourceAtrium Health Wake Forest Baptist·JournalGenes & Cancer·DateAug 3, 2010
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.

Analysis: July was cool this year (compared to the likely future)

A surprising analysis by Climate Central found that July temperatures were cooler than predicted, despite being above historical averages in northeast US cities. The study also highlights the projected long-term warming trend and its potential impact on heat stress and electricity supply.

SourceClimate Central·DateAug 3, 2010

More detailed picture of asthma may yield dramatically improved treatment

Researchers at the University of Texas Medical Branch have developed new techniques to identify specific asthma subtypes using protein patterns in airway lining fluid. This allows for targeted medication and potentially improved treatment outcomes. The study aims to reduce trial and error in asthma diagnosis and treatment.

SourceUniversity of Texas Medical Branch at Galveston·JournalClinical and Translational Science·DateAug 3, 2010

All-over tan is a myth, study finds

Researchers found that some body areas are more resistant to tanning than others, with the buttock being particularly resistant. People with no freckles also tanned more easily than those with freckling.

SourceUniversity of Edinburgh·JournalExperimental Dermatology·DateAug 3, 2010