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Science News Archive April 2013 - Page 6


Page 6 of 32

Europe needs genetically engineered crops, scientists say

The European Union's current policies on genetically engineered crops are undermining its competitiveness and humanitarian activities in the developing world. The authors recommend adopting rational, science-based principles to prevent economic decline and lower standards of living across the continent.

SourceCell Press·JournalTrends in Plant Science·DateApr 25, 2013
Apple iPhone 17 Pro

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

Whales able to learn from others

A study found that humpback whales can learn new feeding techniques by observing others, with a new technique called lobtail feeding spreading to 40% of the population. This demonstrates the importance of cultural transmission in shaping whale behavior and cognition.

SourceUniversity of St. Andrews·JournalScience·DateApr 25, 2013

Huddersfield scientist helps to reveal a link in the evolutionary chain

A team of scientists, including Dr Paul Brotherton from the University of Huddersfield, investigated haplogroup H mitochondrial genomes from ancient human remains to understand modern European populations. The results show a significant population upheaval around 4,000 BC, potentially due to large-scale migration or growth.

SourceUniversity of Huddersfield·JournalNature Communications·DateApr 24, 2013

Fighting bacteria with a new genre of antibodies

Scientists have developed a new family of selective antimicrobial agents that use synthetic colloid particles to recognize and inactivate specific types of bacteria. These 'colloid antibodies' show promise as a powerful tool against antibiotic-resistant bacteria.

SourceAmerican Chemical Society·JournalJournal of the American Chemical Society·DateApr 24, 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.

Body size conveyed by voice determines vocal attractiveness

A study published in PLOS ONE found that listeners gauge a speaker's body size from their voice frequency, quality, and formant spacing. Deep male voices and high-pitched female voices are perceived as more attractive due to their association with smaller body sizes.

SourcePLOS·JournalPLOS ONE·DateApr 24, 2013

Direct-acting antivirals now ready for prime time

Recent studies demonstrate encouraging data for direct-acting antiviral agents in a wide range of HCV patient populations. The trials showed high SVR12 rates and low adverse events, with some regimens achieving up to 90% success rate, offering new treatment options for patients with genotype 1, 4, 5, or 6.

SourceEuropean Association for the Study of the Liver·DateApr 24, 2013
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.

Video reveals cancer cells' Achilles' heel

Researchers used high-quality video imaging to investigate why a particular cancer drug is effective at killing cells. The study found that the drug creates a cluster of protein molecules on one side of the cell, making it easier for natural killer cells to kill it.

SourceUniversity of Manchester·JournalBlood·DateApr 24, 2013

Coffee may help prevent breast cancer returning, study finds

A study at Lund University found that drinking two or more cups of coffee daily may reduce the risk of breast cancer recurrence in patients taking Tamoxifen. Caffeine has been shown to hamper cancer cell growth and activate Tamoxifen, making it more efficient.

SourceLund University·JournalCancer Causes & Control·DateApr 24, 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.

Majority of children readmitted to hospital following stem cell transplant

A study by Dana-Farber Cancer Institute found that nearly two-thirds of children receiving stem cell transplants were readmitted to the hospital within six months for treatment of unexplained fevers, infections or other problems. Children who received donor cells were twice as likely to be readmitted compared to those with their own st...

SourceDana-Farber Cancer Institute·DateApr 24, 2013

Study: Teen years may be critical in later stroke risk

A recent study found that living in the 'stroke belt' during teenage years significantly increases future stroke risk. People who spent their teenage years in the region were 17% more likely to have a stroke in later life compared to those who did not.

SourceAmerican Academy of Neurology·JournalNeurology·DateApr 24, 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.

The microbes you inhale on the New York City subway

A study published in Applied and Environmental Microbiology found that the microbial population in NYC subway air is nearly identical to ambient air on city streets. The researchers used new methodologies, including fast collection of aerosols and rapid sequencing technology, to efficiently monitor the subway's microbial population.

SourceAmerican Society for Microbiology·JournalApplied and Environmental Microbiology·DateApr 24, 2013

Clenching right fist may give better grip on memory

A study published in PLOS ONE found that clenching the right fist before memorizing information strengthens the memory, while clenching the left fist before recalling improves verbal recall. Researchers suggest this effect may be due to brain regions associated with memory formation being activated by hand-clenching.

SourcePLOS·JournalPLOS ONE·DateApr 24, 2013

Researchers use nasal lining to breach blood/brain barrier

A team of researchers has successfully developed a method to breach the blood-brain barrier using the nasal lining, allowing for higher molecular weight drug delivery to the central nervous system. This breakthrough opens up new treatment options for neurodegenerative and CNS diseases affecting millions of people worldwide.

SourceMass Eye and Ear·JournalPLOS ONE·DateApr 24, 2013

No rebirth for insulin secreting pancreatic beta cells

Researchers used fluorescent cell labeling to determine when precursor cells develop into pancreatic beta cells. They found no evidence of neogenesis in adult mice, contradicting previous assumptions about beta cell creation. This discovery has significant implications for understanding diseases like diabetes.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 24, 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.

Microscopic dust particles found in underground railways may pose health risk

New research from the University of Southampton has found that ultrafine dust particles in underground railway environments are rich in metals, posing a potential health risk. The tiny particles can penetrate deep into the lungs and potentially enter underlying tissue and the circulation.

SourceUniversity of Southampton·JournalEnvironmental Science & Technology·DateApr 24, 2013

3-D breast screens improve detection and reduce false positives

A large-scale trial found that integrated 2D and 3D screening detected more cancers and reduced false positives compared to 2D screening alone. The study showed a rate of 5.3 cancers per 1,000 screens detected by 2D screening versus 8.1 with combined 2D and 3D screening.

SourceThe Lancet_DELETED·JournalThe Lancet·DateApr 24, 2013

Air pollution linked to hardening of the arteries

Long-term exposure to air pollution may be linked to heart attacks and strokes by speeding up atherosclerosis, or hardening of the arteries. Higher concentrations of fine particulate air pollution were found to be linked to faster thickening of the inner two layers of the common carotid artery.

SourceUniversity of Michigan·JournalPLOS Medicine·DateApr 24, 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.

Discovered: A mammal and bug food co-op in the High Arctic

In a surprising finding, researchers found that pikas prefer vegetation grazed on by caterpillars, which acts as natural fertilizer. This unusual partnership could have long-term implications for competition and food resources in northern mountain environments.

SourceUniversity of Alberta·JournalBiology Letters·DateApr 24, 2013

Just what makes that little old ant… change a flower's nectar content?

A new study reveals that ants alter the sugar-chemistry of flowers they visit by transmitting yeast to the nectar. This change affects subsequent pollinator visitations and may impact plant fitness. The research suggests a complex interaction between plants, yeasts, and pollinators.

SourceBotanical Society of America·JournalAmerican Journal of Botany·DateApr 24, 2013
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.

Dietary medium chain triglycerides prevent nonalcoholic fatty liver disease

Scientists have discovered that dietary medium chain triglycerides (MCT) can prevent the development of nonalcoholic fatty liver disease (NAFLD) in patients with obesity and type II diabetes. MCT substitution for polyunsaturated fat reduces liver fat accumulation and progression of injury, suggesting a potential future therapy.

SourceSociety for Experimental Biology and Medicine·JournalExperimental Biology and Medicine·DateApr 24, 2013

Facebook interests could help predict, track and map obesity

A Boston Children's Hospital study correlates Facebook users' interests with obesity rates in cities and neighborhoods nationwide. The research suggests that areas with higher percentages of activity-related interests have lower obesity rates, while those with more television-related interests have higher rates.

SourceBoston Children's Hospital·JournalPLOS ONE·DateApr 24, 2013

New LED streetlight design curbs light pollution

A new LED streetlight design harnesses high-efficiency LEDs to provide uniform illumination while minimizing light pollution and glare. The design achieves an optical utilization factor of 51-81 percent, reducing light pollution by up to a fifth.

SourceOptica·JournalOptics Express·DateApr 24, 2013
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.

Deep, permeable soils buffer impacts of crop fertilizer on Amazon streams, MBL study finds

A new study in the Amazon finds that deep, permeable soils can act as a natural buffer against the negative impacts of crop fertilizer on nearby streams. The research suggests that these soils can absorb excess nutrients and reduce pollution, but warns that changes in land use may lead to increased nutrient runoff in the future.

SourceMarine Biological Laboratory·JournalPhilosophical Transactions of the Royal Society of London (B )·DateApr 24, 2013

Recipe for low-cost, biomass-derived catalyst for hydrogen production

Researchers at Brookhaven National Laboratory have developed a low-cost, stable, and effective catalyst that can produce hydrogen in an environmentally friendly manner. The catalyst, made from renewable soybeans and abundant molybdenum metal, has the potential to increase the use of clean energy sources.

SourceDOE/Brookhaven National Laboratory·JournalEnergy & Environmental Science·DateApr 24, 2013

A potential biomarker for pregnancy-associated heart disease?

Researchers at the University of Liege discovered a molecule, miR-146a, that can serve as a biomarker for peripartum cardiomyopathy. Elevated serum miR-146a levels were found in pregnant women who developed PPCM, suggesting its potential use to predict disease risk.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 24, 2013
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.

Study shows drinking one 12oz sugar-sweetened soft drink a day can increase the risk of type 2 diabetes by 22 percent

A new study published in Diabetologia suggests that consuming one 12oz serving of sugar-sweetened soft drinks daily can increase the risk of developing type 2 diabetes by 22% in European populations. The research found a statistically significant association between artificially sweetened soft drink consumption and an increased risk of...

SourceDiabetologia·JournalDiabetologia·DateApr 24, 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.

Improving survival of pig sperm

Scientists at the University of Illinois have identified two sugars that help retain pig sperm in the sow oviduct. By understanding this adhesion system, researchers hope to develop a laboratory test to detect these molecules and potentially improve semen storage.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalBiology of Reproduction·DateApr 24, 2013

Psychopaths are not neurally equipped to have concern for others

A study published in JAMA Psychiatry found that psychopaths lack the basic neurophysiological 'hardwiring' necessary for caring about others. This is reflected in altered brain activity in response to pain and distress, with reduced activation in regions critical for empathy and increased activity in areas linked to emotion and reward.

SourceUniversity of Chicago·JournalJAMA Psychiatry·DateApr 24, 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.

Battery and memory device in 1

ReRAM cells exhibit battery voltage properties, violating traditional memristor theory. Researchers reveal new insights into the electrochemical components, enabling optimized design and potential new applications

SourceHelmholtz Association·JournalNature Communications·DateApr 24, 2013

After brain injury, new astrocytes play unexpected role in healing

Researchers at Duke University Medical Center found that new astrocytes produced from stem cells after brain injury are effective in promoting recovery. These cells make their way to the injured area to form an organized scar, which stops bleeding and allows tissue recovery.

SourceDuke University Medical Center·JournalNature·DateApr 24, 2013

UW Medicine receives $500,000 Purple Heart Service Foundation grant

The University of Washington School of Medicine's Division of Pain Medicine is developing leading-edge technologies to improve care for veterans suffering from post-traumatic stress (PTS), traumatic brain injury (TBI), and chronic pain. The grant will support provider education, clinical care guidelines, and outcomes-based research.

SourceUniversity of Washington School of Medicine/UW Medicine·DateApr 24, 2013

Scripts help novice instructors teach pediatric CPR

A new teaching technique using scripted debriefings improved medical knowledge and instructor ratings among novice pediatric CPR trainers. The 'advocacy inquiry' method helped participants reflect on their decisions, leading to better performance in emergency situations.

SourceChildren's Hospital of Philadelphia·JournalJAMA Pediatrics·DateApr 24, 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.

Speeding the search for better methane capture

A computational study discovered several zeolite structures with sufficient methane sorption capacity and selectivity for effective capture. The most promising candidate, SBN, has an extraordinarily high performance for concentrating methane from low-quality natural gas and coal-mine ventilation air.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature Communications·DateApr 24, 2013

JCI early table of contents for April 24, 2013

Researchers at Cedars-Sinai Medical Center discovered that the renin angiotensin system plays a fundamental role in hypertension. They found that mice without ACE in their kidneys were resistant to high blood pressure, indicating that targeting angiotensin production may be an effective approach to treat hypertension. In contrast, stud...

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 24, 2013

Mysterious hot spots observed in a cool red supergiant

Researchers have discovered two hot spots in the outer atmosphere of Betelgeuse, a cool red supergiant. The hot spots are separated by half the visual diameter of the star and have temperatures of around 4,000-5,000 Kelvin, much higher than expected.

SourceUniversity of Manchester·JournalMonthly Notices of the Royal Astronomical Society·DateApr 24, 2013
Meta Quest 3 512GB

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

Scientists awarded $5.5 million for wheat, rice blast research

A team of Kansas State University researchers, led by Barbara Valent, has been awarded $5.5 million to develop resistant varieties and diagnostic tools for two deadly diseases: wheat blast and rice blast. The project aims to improve U.S. rice production and protect the nation's wheat crop.

SourceKansas State University·DateApr 24, 2013