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Science News Archive October 2013 - Page 32


Page 32 of 34

Seamless photography: Using mathematical models for image stitching

Researchers develop an algorithm for image stitching that minimizes seam artifacts by smoothing the transition between images, producing visually appealing results. The approach is based on minimizing an energy function and can be used for both two-dimensional and future three-dimensional image stitching applications.

SourceSociety for Industrial and Applied Mathematics·JournalSIAM Journal on Imaging Sciences·DateOct 2, 2013
Apple iPhone 17 Pro

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

Like father, not like son

Researchers found that environmental factors played a significant role in shaping the songs and brain structures of zebra finches, with low heritability values for most characteristics except for syllable count and frequency. The study suggests that flexibility in response to environmental conditions helps maintain genetic variation.

SourceMax-Planck-Gesellschaft·JournalEvolution·DateOct 2, 2013

International study shows efficacy of new gastric cancer drug

A phase III study published in The Lancet found that ramucirumab inhibits tumour growth and improves median survival, offering new treatment options for patients with advanced gastric cancer. The study's results suggest a potential benefit for patients with limited treatment options.

SourceVall d'Hebron Institute of Oncology·JournalThe Lancet·DateOct 2, 2013
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.

No kissing or singing in the rain

Researchers found that three insect species altered their mating behaviors in response to falling air pressure, which may reduce injury and death. The study suggests insects are adapted to respond to potential bad weather, impacting not only individual animals but also ecological communities.

SourcePublicase International·JournalPLOS ONE·DateOct 2, 2013

America is increasingly diverse, but challenges remain

The US2010 report shows increasing diversity in American communities, with whites, blacks, Hispanics, and Asians sharing spaces. However, micropolitan areas lag behind metropolitan counterparts in diversity levels, while segregation among certain groups remains substantial.

SourcePenn State·DateOct 2, 2013

Increasing accessibility of 3-D printing raises concerns about plastic guns

The increasing availability of 3D printers has sparked concerns about the design and production of custom plastic firearms. While the printed guns are currently unreliable, they can become more effective with advancements in technology. The American Chemical Society reports on this growing issue.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateOct 2, 2013
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.

Bug vs. bug: Benign C. difficile strains keep fatal strains at bay

Researchers found that two benign strains of C. difficile can prevent infection by more dangerous strains. The harmless strains occupy the same niches as the infective strains, preventing colonization and ultimately infection. This study provides promising results for developing new protective measures against C. difficile infection.

SourceAmerican Society for Microbiology·JournalAntimicrobial Agents and Chemotherapy·DateOct 2, 2013

Eye contact may make people more resistant to persuasion

New research suggests that eye contact can actually make people more resistant to persuasion, particularly when they already disagree. The study found that direct eye contact makes skeptical listeners less likely to change their minds.

SourceAssociation for Psychological Science·JournalPsychological Science·DateOct 2, 2013

Making eye contact doesn't always help your cause

New research shows that direct eye contact can make skeptical listeners less receptive to persuasion, while focusing on the speaker's mouth is more effective in convincing those who already agree. Eye contact plays a different role in competitive encounters, highlighting its nuanced impact on human interaction.

SourceUniversity of British Columbia·JournalPsychological Science·DateOct 2, 2013

Mom's weight gain during pregnancy tied to childhood obesity

A study of 41,133 mothers and children in Arkansas found that high pregnancy weight gain increases the risk of obesity in children through age 12. Excessive weight gain during pregnancy may contribute to the obesity epidemic, with children whose mothers gained 40 lbs or more having an 8% increased risk of obesity.

SourcePrinceton School of Public and International Affairs·JournalPLOS Medicine·DateOct 2, 2013
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.

Scientists find insect DEET receptors, develop safe alternatives to DEET

Researchers at UC Riverside identified DEET-detecting olfactory receptors, enabling the development of three safe compounds that mimic DEET and could prevent the transmission of deadly vector-borne diseases. The findings offer a major breakthrough in controlling insect-borne diseases worldwide.

SourceUniversity of California - Riverside·JournalNature·DateOct 2, 2013

Long-term cognitive impairment too common after critical illness

A Vanderbilt study found that 74% of patients with respiratory failure, cardiogenic shock, or septic shock developed delirium in the hospital, leading to dementia-like brain disease even a year after discharge. Cognitive deficits persisted for up to 12 months in both older and younger patients.

SourceVanderbilt University Medical Center·JournalNew England Journal of Medicine·DateOct 2, 2013
Celestron NexStar 8SE Computerized Telescope

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

Specialized intestinal cells cause some cases of Crohn's disease

Researchers from the University of Cambridge discovered that specialized intestinal cells called Paneth cells play a major role in inflammation underlying Crohn's disease. The study identifies autophagy as a key mechanism in removing ER-stressed membranes, which are rendered inflammatory by misfolded proteins.

SourceUniversity of Cambridge·JournalNature·DateOct 2, 2013

Discovery of charged droplets could lead to more efficient power plants

Researchers at MIT have discovered charged droplets that can improve power plant efficiency by repelling each other and applying an external electric field. This technology has the potential to enhance heat transfer on condensers and even generate electricity from ambient air.

SourceMassachusetts Institute of Technology·JournalNature Communications·DateOct 2, 2013

Freedom and choice key to restorative lunch breaks, says new study.

A new study from the University of Toronto's Rotman School of Management found that employees who had autonomy over their lunch activities were less tired at work. Relaxing activities freely chosen by workers led to reduced fatigue, while socializing with colleagues increased it.

SourceUniversity of Toronto, Rotman School of Management·JournalAcademy of Management Journal·DateOct 2, 2013

High-dose statins reduce gum inflammation in heart disease patients

A recent study found that high-dose statins significantly reduced gum inflammation in heart disease patients within four weeks. The research also showed a close link between gum inflammation and atherosclerotic disease, suggesting that improving oral hygiene may lead to improved cardiovascular health.

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·DateOct 2, 2013
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.

Toward understanding the dangers of the fake marijuana called 'Spice' or 'K2'

A new method developed by researchers could help diagnose and treat thousands of young adults and teens who end up in emergency rooms after taking synthetic marijuana. The study found significant differences in how individuals' bodies process the drugs, which could explain why some people experience more severe effects.

SourceAmerican Chemical Society·JournalAnalytical Chemistry·DateOct 2, 2013

UH Graduate College of Social Work to receive national award

The UH Graduate College of Social Work program is recognized for its international contributions to social work education and programming. The program has been involved in various global initiatives, including the China Collaborative Project and certification training in Hong Kong.

SourceUniversity of Houston·DateOct 2, 2013

Newly identified biomarkers help predict outcome in deadly lung disease

A Yale-led study has identified 52 genes that significantly correlate with outcome in patients with IPF, predicting shorter survival time and guiding treatment decisions. The discovery of these biomarkers may lead to better prediction of disease presence and severity.

SourceYale University·JournalScience Translational Medicine·DateOct 2, 2013
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.

Key mechanism behind herpes revealed

Biochemist Alex Evilevitch measures internal pressure of HSV-1, revealing key mechanism behind herpes infection and paving way for new medicine development. The discovery could lead to universal treatment for various viral infections, including cancer-linked viruses.

SourceLund University·JournalJournal of the American Chemical Society·DateOct 2, 2013

New class of drugs lowers cholesterol in first human trial

A new class of RNAi drugs has shown promising results in lowering cholesterol levels by up to 57% in healthy volunteers. The treatment, ALN-PCS, works by blocking the production of PCSK9, a protein that destroys low-density lipoprotein (LDL) receptors.

SourceThe Lancet_DELETED·JournalThe Lancet·DateOct 2, 2013

Rice U study: Technology, not uninsured patients, driving hospital costs

A Rice University study finds that technology growth and sicker patient populations contribute significantly to rising hospital costs in Texas. The study contradicts the common assumption that uninsured patients are driving price increases, suggesting a need for greater attention to understanding cost drivers.

SourceRice University·DateOct 2, 2013
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.

Erectile dysfunction drugs may prevent colon cancer

Researchers have found that erectile dysfunction drugs can protect the colon from inflammation and damage, potentially preventing or treating colon cancer. The drugs activate a tumor suppressive pathway in the gut, reducing excessive cell proliferation.

SourceMedical College of Georgia at Augusta University·DateOct 2, 2013

Research shows genetic anti-inflammatory defect predisposes children to lymphoma

Research reveals an inherited genetic defect in the interleukin-10 (IL-10) pathway is associated with a higher risk of developing certain types of blood cancer, such as diffuse large B-cell lymphoma, in infants and children. The study suggests that chronic intestinal inflammation may play a role in cancer development.

SourceAmerican Society of Hematology·JournalBlood·DateOct 2, 2013
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.

Predictors of substance abuse identified among teens with bipolar disorder

A study published in Journal of the American Academy of Child and Adolescent Psychiatry found that approximately one-third of teens with bipolar disorder developed substance abuse. Risk factors identified included experimentation with alcohol, cannabis use, and certain mental health conditions.

SourceElsevier·JournalJournal of the American Academy of Child & Adolescent Psychiatry·DateOct 2, 2013

Recruiting E. coli to combat hard-to-treat bacterial infections

Researchers have engineered E. coli to seek out and kill disease-causing pathogens, including those responsible for difficult-to-treat infections like pneumonia and urinary tract infections. The new bacterial strain uses an antimicrobial peptide and enzyme to break down biofilms, offering a potential new treatment option.

SourceAmerican Chemical Society·JournalACS Synthetic Biology·DateOct 2, 2013

McMaster lab develops new tuberculosis vaccine

Researchers have developed a new tuberculosis vaccine that acts as a booster to the existing Bacille Calmette Guerin (BCG) vaccine, which is ineffective in many cases. The vaccine was tested in a phase one clinical study and showed a robust immune response in most trial participants.

SourceMcMaster University·JournalScience Translational Medicine·DateOct 2, 2013
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.

Radiofrequency ablation effectively treats Barrett's esophagus

A systematic review and meta-analysis found that radiofrequency ablation is a safe and effective treatment for most patients with dysplastic Barrett's esophagus. The procedure led to complete eradication of dysplasia in 91% of patients, while intestinal metaplasia was eradicated in 78%, and recurrent metaplasia occurred in 13%.

SourceAmerican Gastroenterological Association·JournalClinical Gastroenterology and Hepatology·DateOct 2, 2013

How one transportation business survived hurricane sandy

A major transportation company survived Hurricane Sandy by adopting flexible strategies to meet customer demand and ensure personnel safety. The company's schedulers bypassed normal communication channels to speed up information exchange, relying on face-to-face conversations instead.

SourceOhio State University·DateOct 2, 2013

Depression may increase your risk of Parkinson's disease

A study published in Neurology found that people with depression are three times more likely to develop Parkinson's disease than those without depression. Researchers analyzed 4,634 individuals with depression and 18,544 without depression over a 10-year period.

SourceAmerican Academy of Neurology·JournalNeurology·DateOct 2, 2013
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.

Longline fishery in Costa Rica kills thousands of sea turtles and sharks

A decade-long study reveals that Costa Rica's longline fishery catches more olive ridley sea turtles than commercial fish species, threatening their survival. The research also shows a decline in shark populations, with smaller sharks becoming increasingly common.

SourceDrexel University·JournalJournal of Experimental Marine Biology and Ecology·DateOct 2, 2013

Measuring height by connecting clocks

Researchers from Garching and Braunschweig transport frequencies with high precision over almost 2000 km to accurately determine the geoid of the Earth. The new technology allows for a height difference of 4 mm between clocks to be resolved within 100 seconds.

SourcePhysikalisch-Technische Bundesanstalt (PTB)·JournalPhysical Review Letters·DateOct 2, 2013

2 million and counting: NYBG digitization project reaches major milestone

The New York Botanical Garden has digitized the two-millionth plant specimen, a rare purple pitcher plant, as part of its ambitious project to make scientific collections widely available online. The milestone achievement marks almost one-third of the way to the garden's goal of digitizing its entire collection of 7.3 million specimens.

SourceThe New York Botanical Garden·DateOct 2, 2013

Douglas Institute researchers identify the neural circuits that modulate REM sleep

Researchers have identified the precise causal link between neuronal activity in the lateral hypothalamus and REM sleep. Using optogenetics, they were able to induce and manipulate REM sleep in mice, providing a breakthrough in understanding sleep mechanisms and potentially leading to new therapeutic strategies.

SourceDouglas Mental Health University Institute·JournalNature Neuroscience·DateOct 2, 2013
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.

New method allows quantitative nanoscopic imaging through silicon

Researchers from UT Arlington and MIT developed a new technology that allows for quantitative microscopy through opaque media, enabling the observation of cellular processes in lab-on-a-chip devices. The technique uses near infrared light and quantitative phase imaging to achieve label-free imaging with nanometer thickness accuracy.

SourceUniversity of Texas at Arlington·JournalScientific Reports·DateOct 2, 2013

Does post-traumatic stress disorder increase the risk of metabolic syndrome?

A comprehensive review of medical literature reveals a link between PTSD and metabolic syndrome. The study suggests that the relationship is not clear and may be influenced by various factors such as socioeconomic status and lifestyle habits. Further investigation is needed to fully understand this connection.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalMetabolic Syndrome and Related Disorders·DateOct 2, 2013

Death of a spruce tree

Researchers discovered a five-year delay between slow tree growth and increased mortality in a Black Spruce forest, suggesting that older forests may be storing more carbon than previously estimated. This finding has important implications for understanding the impact of climate change on forest health and carbon sequestration.

SourceDOE/Pacific Northwest National Laboratory·JournalGlobal Change Biology·DateOct 2, 2013

California's new mental health system helps people live independently

Researchers found that comprehensive, community-based mental health programs in California promoted independent living among people with serious mental illness. Non-white patients and those with schizophrenia and bipolar disorders were less likely to benefit from these programs.

SourceOregon State University·JournalAmerican Journal of Public Health·DateOct 2, 2013
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.

Insects modify mating behavior in anticipation of storms

Researchers found insects adjust courtship and calling behaviors in response to changing air pressure, reducing risk of injury during high winds and rain. The study suggests these modifications may help insects predict adverse weather conditions, allowing them to modify their mating behavior accordingly.

SourcePLOS·JournalPLOS ONE·DateOct 2, 2013

Protecting the weedy and wild kin of globally important crops

The presentation highlights the importance of cataloging and conserving crop wild relatives worldwide. Researchers have identified critical taxa in need of protection and conducted inventories of CWRs in the US, revealing nearly 4,600 species, including endangered relatives of sunflower, bean, and sweet potato.

SourceAmerican Society of Agronomy·DateOct 2, 2013

CWRU researchers probe brain implant failure and countermeasure

Researchers are developing a drug to prevent inflammation around implanted electrodes, which causes brain cells to degenerate and compromise the blood-brain barrier. Testing is underway to determine if administering the drug can improve outcomes and extend the lifespan of brain implants.

SourceCase Western Reserve University·DateOct 2, 2013

'Cupcake bans' rare, but policies may reduce overexposure to sugary treats

Schools with district or state policies discouraging sugary foods and beverages were more likely to restrict those items at parties, with a 2.5 times higher rate than schools without such policies. Approximately half the schools had no restrictions or left decisions to teachers.

SourceUniversity of Illinois Chicago·JournalJournal of Nutrition Education and Behavior·DateOct 2, 2013
Fluke 87V Industrial Digital Multimeter

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

Early spring warming has greatest effect on breaking bud

Researchers find that mid-February to mid-March warming has the greatest impact on breaking bud timing. This challenges the use of degree-day models, which may become less effective as temperatures deviate from historical norms.

SourceDuke University·JournalGlobal Change Biology·DateOct 2, 2013

Radioactive shale gas contaminants found at wastewater discharge site

A Duke University study found elevated levels of radioactivity, salts, and metals in river water and sediments after fracking wastewater discharge. Radioactivity levels were up to 200 times greater in sediment samples collected near the facility than upstream.

SourceDuke University·JournalEnvironmental Science & Technology·DateOct 2, 2013