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Science News Archive September 2009 - Page 18


Page 18 of 24

A molecular search for happier skin

Researchers are studying skin's complex structure to create products that appeal to consumers, with a focus on lipid bilayers and ceramide molecules. The goal is to develop ingredients that improve skin's strength, elasticity, and overall feeling.

SourceUniversity of Leeds·DateSep 8, 2009

New biosensor can detect bacteria instantaneously

A new biosensor developed by researchers at Rovira i Virgili University can detect extremely low levels of Salmonella typhi, the bacteria that causes typhoid fever, immediately and reliably. The technique uses carbon nanotubes and synthetic DNA fragments to activate an electric signal when they link up with the pathogen.

SourceSpanish Foundation for Science and Technology·JournalAngewandte Chemie International Edition·DateSep 8, 2009

Britain's first dual fuel bus will cut emissions by half

The UK's first dual-fuel diesel-biomethane powered bus will significantly reduce pollutant and greenhouse gas emissions. The innovative technology, developed in collaboration with the University of East Anglia and leading bus operators, aims to be rolled out across the country and further afield.

SourceUniversity of East Anglia·DateSep 8, 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.

How accurate are hospital report cards?

A new study by Loyola University Health System researchers highlights the limitations of hospital report cards, particularly in neurosurgery. The mortality index used in these reports fails to account for factors such as patient mix, complex cases, and treatment of lower-risk elective versus high-risk non-elective cases.

SourceLoyola Medicine·JournalJournal of Neurosurgery·DateSep 8, 2009

Mother knows best

Researchers found female crickets store more sperm from unrelated males and choose the best father for their offspring. This study challenges common behaviors among insect species and sheds light on the complex mating strategies in the insect world.

SourceUniversity of Exeter·JournalMolecular Ecology·DateSep 8, 2009

Electrical circuit runs entirely off power in trees

A team from University of Washington has created a working electronic circuit that runs entirely off the power generated by trees, producing an output voltage of 1.1 volts and consuming just 10 nanowatts of power during operation.

SourceUniversity of Washington·JournalIEEE Transactions on Nanotechnology·DateSep 8, 2009

Rice researchers seek better vaccine procedure

Rice University bioengineer Michael Deem has developed a technique to predict the efficacy of H1N1 vaccines by estimating antigenic distance between flu strains. This method assigns a numerical value to the similarity between epitope regions, allowing researchers to refine cell-based approaches and shorten vaccine production time.

SourceRice University·DateSep 8, 2009

'Hygiene hypothesis' challenged

New research suggests that daycare attendance in early childhood doubles respiratory problems, but does not prevent later asthma and allergies. Children who started daycare early were more likely to experience wheezing in the first year of life, but this effect reversed by age eight.

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateSep 8, 2009
Apple iPhone 17 Pro

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

Shopping around key to a smaller food bill

Researchers found that large real increases for some food items were balanced by big falls for others, but variations existed between stores and locations. Some healthy items like fruit and vegetables became increasingly expensive, while others like apples and bananas got cheaper.

SourceEconomic & Social Research Council·DateSep 8, 2009

Infertility and the battle of the sexes

A Tel Aviv University study suggests that men's bodies have become 'reproductive antagonists', producing aggressive sperm to compete with women's bodies, which defend against them. This evolutionary arms race may be contributing to high rates of unexplained infertility.

SourceAmerican Friends of Tel Aviv University·JournalBiological Reviews·DateSep 8, 2009

Composted dairy manure in foliage plant production

Researchers evaluate composted dairy manure as a substitute for peat in container plant propagation, showing promising results. The study demonstrates that cowpeat-based substrates have physical and chemical properties similar to commercial peat substrates and support healthy root growth.

SourceAmerican Society for Horticultural Science·JournalHortTechnology·DateSep 8, 2009

Flips, flops and cartwheels

Researchers discover gecko tails have intricate movement patterns after shedding, including flips up to 3cm in height. The isolated tail serves as a vehicle for studying spinal cord function and nerve-muscle coordination.

SourceUniversity of Calgary·JournalBiology Letters·DateSep 8, 2009

MU researcher uses bacteria to make radioactive metals inert

A Missouri University researcher is studying sulfate-reducing bacteria that can convert toxic uranium into nearly insoluble uraninite, reducing contamination and environmental costs. The bacteria's ability to cleanse water is being explored, with potential applications for heavy metal pollution from storage tanks and industrial waste.

SourceUniversity of Missouri-Columbia·JournalApplied and Environmental Microbiology·DateSep 8, 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.

Stimulus funds to further cyber security research

Penn State researchers have received a $1 million stimulus grant to improve cyber security for modern data centers. The project aims to consolidate four areas of systems security research, including microscopic intrusion analysis and detection, redundancy, automatic response, and diversity-driven protection.

SourcePenn State·DateSep 8, 2009

Gene variant heightens risk of severe liver disease in cystic fibrosis

Researchers at UNC Chapel Hill have discovered a genetic risk factor for severe liver disease in people with cystic fibrosis, specifically the SERPINA1 gene variant. Those carrying this variant are five times more likely to develop cirrhosis and other liver complications than those with the normal version of the gene.

SourceUniversity of North Carolina Health Care·JournalJAMA·DateSep 8, 2009
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.

Engineered human fusion protein inhibits HIV-1 replication

Researchers engineered a human HIV-1 inhibitor modeled after AoT5Cyp, a potent owl monkey fusion protein. The human fusion protein, hT5Cyp, blocked HIV-1 infection in human macrophage and T cell lines without disrupting normal cell function.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateSep 8, 2009

Lapatinib shows minimal effect against liver cancer

Patients who exhibited skin rash from lapatinib showed a greater tumor response and longer survival, while others experienced no benefit. The study suggests that larger trials with more responsive patients may show a definite survival benefit.

SourceAmerican Association for Cancer Research·JournalClinical Cancer Research·DateSep 8, 2009

Undergrad academic performance linked to neural signals

A new University of Toronto research links academic performance to neural signals, with students having larger error-related negativity (ERN) signals scoring better in school. The study suggests that ERN signals can be improved through self-regulation and attention to mistakes.

SourceUniversity of Toronto·JournalPsychophysiology·DateSep 8, 2009

Albrecht at Williams College awarded $400,000 NSF funding

Jeannie Albrecht's five-year grant aims to develop techniques for increasing stability in mobile applications, benefiting students and researchers at small colleges. The project will integrate human interaction patterns into a software toolkit, providing valuable hands-on experience with emerging mobile computing systems.

SourceWilliams College·DateSep 8, 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.

How do doctors really feel about surrogate decision making?

A study found that one in five doctors are uncomfortable working with surrogates, reporting ineffective communication and increased stress levels. The lack of clear guidelines for surrogate decision makers can lead to difficult decisions, causing distress for both physicians and families.

SourceIndiana University School of Medicine·JournalJournal of General Internal Medicine·DateSep 8, 2009

Care-seeking behavior associated with 'upper-GI symptoms'

Researchers found patients with upper GI complaints visited GPs twice as often and received double the number of prescriptions. High contact frequency was most strongly associated with upper GI symptoms, rather than psychological co-morbidity.

SourceBMC (BioMed Central)·JournalBMC Family Practice·DateSep 8, 2009
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.

Overexpressed protein converts noninvasive breast cancer into invasive disease

Researchers discover that overexpression of 14-3-3ζ launches a molecular cascade that removes bonds holding premalignant cells together, converting them to highly mobile mesenchymal-like cells. This process is recognized as a crucial step in metastasis and can be identified using biomarkers.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalCancer Cell·DateSep 8, 2009

Study predicts 40 percent increase in blindness in Nigeria by 2020

A study predicts a 40% increase in blindness in Nigeria by 2020, with nearly all cases being either preventable or treatable. The research found that cataracts, glaucoma, and refractive errors are the most common causes of blindness, particularly among those with limited access to healthcare.

SourceAssociation for Research in Vision and Ophthalmology·JournalInvestigative Ophthalmology & Visual Science·DateSep 8, 2009

War, genocide 'difficult knowledge' to teach younger students

Professor Brenda Trofanenko argues that elementary school students lack the historical knowledge and critical sensibility necessary to understand genocide. High school students are better equipped, both emotionally and intellectually, to deal with traumatic events in world history. The professor suggests a fact-based approach to learni...

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·DateSep 8, 2009

Disease-causing Escherichia coli: 'I will survive'

Researchers found that pathogenic E. coli strains can survive modern food processing methods and exploit different food sources than laboratory strains. They demonstrated differences in growth characteristics, antimicrobial resistance, and reaction to environmental stresses.

SourceMicrobiology Society·DateSep 8, 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.

Houseplants cut indoor ozone

Researchers found that three common houseplants significantly reduced indoor ozone concentrations in a simulated environment. The study suggests using plants as a cost-effective tool to mitigate indoor air pollution, especially in developing countries where expensive technology may not be feasible.

SourceAmerican Society for Horticultural Science·JournalHortTechnology·DateSep 8, 2009

Community gardens don't impact crime rate

Researchers found no correlation between community garden presence and property crimes in Houston neighborhoods. However, residents reported a positive influence of gardens on neighborhood revitalization and perceived safety.

SourceAmerican Society for Horticultural Science·JournalHortTechnology·DateSep 8, 2009

Turfgrass quality measurement improved with GreenSeeker sensor

A new study assessed a handheld optical sensor, GreenSeeker, for evaluating overall turfgrass quality in three turf species. The researchers found that the sensor reduced data collection and entry time by 58% compared to human visual evaluation.

SourceAmerican Society for Horticultural Science·JournalHortTechnology·DateSep 8, 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.

Team reveals molecular mechanism underlying a form of diabetes

University of Iowa researchers discovered a new molecular mechanism regulating pancreatic cells and insulin secretion in children with permanent neonatal diabetes mellitus. The mechanism involves the protein ankyrin, which regulates the KATP channel complex.

SourceUniversity of Iowa·JournalProceedings of the National Academy of Sciences·DateSep 8, 2009

Casting out devils

Scientists have discovered how salmonella kills tumors by migrating into cancerous tissues and triggering a strong inflammatory response. The inflammatory response causes blood vessels in the tumor to become permeable, allowing salmonella to spread and ultimately kill the tumor.

SourceHelmholtz Association·JournalPLOS ONE·DateSep 8, 2009

New vaccine shows promise for COPD patients at risk for pneumonia

A new protein conjugate vaccine, PCV7, has been found to produce superior immune responses in patients with chronic obstructive pulmonary disease (COPD) compared to the currently accepted vaccine, PPSV23. The study suggests that PCV7 may offer improved protection against respiratory disease in COPD patients at risk for pneumonia.

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateSep 8, 2009
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.

Autoimmune response can induce pancreatic tumor rejection

Researchers induced pathological damage to a normal pancreas with an immune adjuvant and found that it triggered a strong anti-self response, which suppressed autoimmunity. The study highlights the complexity of immune responses in different organs and may lead to new therapeutic approaches for cancer treatment

SourceAmerican Association for Cancer Research·JournalCancer Research·DateSep 8, 2009

Study finds US prison system falls short in treating drug addiction

A new study found that only half of federal and state prison systems offer opioid replacement therapy (ORT), a treatment proven to reduce drug-related disease and reincarceration rates. Meanwhile, only 23 states provide referrals for inmates to treatment upon release from prison.

SourceLifespan·JournalDrug and Alcohol Dependence·DateSep 8, 2009

Measuring nitrate concentrations in leafy green vegetables

A recent study published by the American Society for Horticultural Science found that conventional methods for measuring nitrate concentrations in plant tissue are often time-consuming, expensive, and impractical. The researchers developed a new method using rapid potentiometric and colorimetric techniques to measure nitrate concentrat...

SourceAmerican Society for Horticultural Science·JournalHortTechnology·DateSep 8, 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.

Making geothermal more productive

Researchers at the University of Utah are conducting a $10.2 million study in Idaho to develop new techniques for increasing geothermal energy production. By using oil and gas industry methods to create pathways in hot rock, they aim to unlock the country's vast geothermal potential.

SourceUniversity of Utah·DateSep 8, 2009

Taking the stress off yeast produces better wine

Researchers have identified genes in yeast that enable it to respond to stress and are investigating ways to improve its performance by modifying its stress response mechanism. By manipulating these genes, they found a family of enzymes called sirtuins plays an important role in controlling wine yeast lifespan.

SourceMicrobiology Society·DateSep 8, 2009

Arctic oil: A boon for nest predators

A new study reveals that oil development in the Arctic is attracting opportunistic predators like Arctic foxes, ravens, and gulls, which feed on nesting birds. These predators are using oil infrastructure to build nests or dens, leading to a significant loss of nests in areas closer to oil development.

SourceWildlife Conservation Society·JournalEcological Applications·DateSep 8, 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.

Plants on steroids: Key missing link discovered

Scientists have identified a complete signaling pathway for plant brassinosteroid hormones, a discovery that could lead to genetic engineering of crops with higher yields and improve understanding of human diseases like cancer and diabetes. The study shares similarities with animal steroids, but functions differently at the cellular le...

SourceCarnegie Institution for Science·JournalNature Cell Biology·DateSep 8, 2009

Tornado threat increases as Gulf hurricanes get larger

Research at Georgia Institute of Technology reveals a 35% increase in large hurricane size from the Gulf Coast, leading to a doubling in tornadoes produced per storm. The model can predict tornado activity using factors like storm size, intensity, track direction, and moisture gradients.

SourceGeorgia Institute of Technology·JournalGeophysical Research Letters·DateSep 8, 2009

JCI online early table of contents: Sept. 8, 2009

Scientists have engineered a human HIV-1 inhibitor modeled after an owl monkey fusion protein that potently blocks HIV-1 infection. This new treatment showed promise in preventing viral replication in mice and has the potential to be a robust anti-HIV-1 gene therapy candidate.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateSep 8, 2009

Ben-Gurion University of the Negev develops thin films showing promise for solar applications

Scientists at Ben-Gurion University have developed thin films that demonstrate carrier multiplication, a process that can enhance solar cell efficiency. The breakthrough, published in Nature Physics, shows that bulk PbS and PbSe films exhibit more efficient carrier multiplication than nanocrystalline films of the same materials.

SourceAmerican Associates, Ben-Gurion University of the Negev·JournalNature Physics·DateSep 8, 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.

Study: Hairstylists can help identify older clients who need health services

A study published in the Journal of Applied Gerontology found that hairstylists have close relationships with their elderly clients and can identify signs of depression, dementia, and self-neglect. The stylists surveyed reported being willing to refer older adults to community services, but were unfamiliar with many available options.

SourceOhio State University·JournalJournal of Applied Gerontology·DateSep 8, 2009

Rats move toward the food but do not eat

Researchers at University of Missouri discovered that deactivating basolateral amygdala blocks consumption of fatty diet in rats, but not the desire to seek food repeatedly. The study suggests that this brain region is specifically involved in pleasure-driven overeating.

SourceUniversity of Missouri-Columbia·JournalBehavioral Neuroscience·DateSep 8, 2009
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.

Creation of international health links center

The UK International Health Links Centre (IHLC) aims to promote effective international health links between the UK and developing countries. The centre will provide a 'one-stop-shop' for information and guidance on strengthening existing links, as well as a library of resources for international users.

SourceLiverpool School of Tropical Medicine·DateSep 7, 2009