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Science News Archive October 2013


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.

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.

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.

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.

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.

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.

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.

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.

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.

Apple iPhone 17 Pro

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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%.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.