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Science News Archive 2014 - Page 46


Page 46 of 376

How the breast cancer cells transform normal cells into tumoral ones?

Researchers have discovered that tumor cells secrete exosomes containing proteins capable of transforming neighboring cells into tumor cells, promoting tumor growth. Dicer protein is identified as a key factor in this process and may serve as a biomarker or therapeutic target.

SourceIDIBELL-Bellvitge Biomedical Research Institute·JournalCancer Cell·DateNov 13, 2014

GOES-S satellite EXIS instrument passes final review

The Extreme Ultraviolet and X-ray Irradiance Sensors (EXIS) Flight Model 2 instrument for NOAA's GOES-S satellite has successfully completed its Pre-Shipment Review. The instrument is now complete and will be placed into storage until spacecraft integration begins.

SourceNASA/Goddard Space Flight Center·DateNov 13, 2014
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.

Researchers calculate 'hidden' emissions in traded meat

A study estimated embodied methane and nitrous oxide emissions in beef, chicken, and pork from livestock to countries where they are consumed. The researchers found a 19% increase in 'hidden' emissions over the past 20 years, with Russia receiving most of its emissions from Brazil and Argentina.

SourceIOP Publishing·JournalEnvironmental Research Letters·DateNov 13, 2014

A beetle and its longtime fungal associate go rogue

A study published in PLOS ONE reveals that Thousand Cankers Disease (TCD) is a native disease that has gone rogue, threatening the health of black walnut trees. The fungus, Geosmithia morbida, and its long-time host beetle have co-evolved, creating a complex that can spread rapidly across landscapes.

SourceUSDA Forest Service - Northern Research Station·JournalPLOS ONE·DateNov 13, 2014

Guidelines say nearly all patients with chronic kidney disease should take statins

Two cholesterol management guidelines agree that nearly all patients with chronic kidney disease should receive statins, but 50% of those recommended are not taking them. The study found the Pooled Cohort risk equations to be accurate among people with CKD, indicating a valid tool for estimating heart disease risk.

SourceAmerican Society of Nephrology·JournalJournal of the American Society of Nephrology·DateNov 13, 2014

New process isolates promising material

Researchers at Northwestern University have developed a method to isolate atomically thin sheets of molybdenum disulfide (MoS2), a promising material for optoelectronics and electronics. The process uses copolymer-assisted gradient ultracentrifugation, allowing for scalable isolation of single-layer, bilayer, or trilayer MoS2 sheets.

SourceNorthwestern University·JournalNature Communications·DateNov 13, 2014

Clues to one of Earth's oldest craters revealed

Researchers analyzed samples from the Sudbury Basin and found chondritic platinum group elements, which suggest a comet impact. The distribution of these elements indicates that the impactor was indeed a comet.

SourceWiley·JournalTerra Nova·DateNov 13, 2014
Fluke 87V Industrial Digital Multimeter

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

Research reveals promising technology to expand hard cider industry

Researchers at Washington State University have discovered a promising technology to expand the hard cider industry by mechanical harvesting of cider apples. The study found that machine harvesting can provide up to four times less labor than hand harvesting, resulting in significant cost savings and improved efficiency for orchards.

SourceWashington State University·JournalHortTechnology·DateNov 13, 2014

Intimidating chimpanzee males are more likely to become fathers

A study published in Current Biology found that aggressive chimpanzee males sire more offspring, suggesting sexual coercion is an adaptive strategy for males. Genetic evidence showed that high-ranking males who intimidate females when they are not swollen had more reproductive success.

SourceCell Press·JournalCurrent Biology·DateNov 13, 2014

Hedgehog signaling pathway for breast cancer identified

Scientists at MD Anderson Cancer Center identified a long non-coding RNA called BCAR4 as playing a key role in the hedgehog signaling pathway's contribution to breast cancer metastasis. The study suggests that targeting this pathway with locked nucleic acids may provide a new approach for treating aggressive breast cancers.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalCell·DateNov 13, 2014

Architecture of a lipid transport protein revealed

The structure determination of a lipid scramblase reveals a novel protein architecture that enables the transport of lipids across cell membranes. The discovery provides insight into the activation of the protein by calcium and has implications for understanding previously unknown mechanisms of lipid transport.

SourceUniversity of Zurich·JournalNature·DateNov 13, 2014
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.

Male bullies father more chimpanzees

Researchers found that males who consistently bully females tend to father more babies with their victims. Long-term aggression, particularly by high-ranking males, increased paternity success.

SourceDuke University·JournalCurrent Biology·DateNov 13, 2014

UCI team develops test to rapidly diagnose bloodstream infection

The UCI team has created a new technology called Integrated Comprehensive Droplet Digital Detection (IC 3D) that can detect bacterial invaders in blood samples with unprecedented speed and accuracy. In as little as 90 minutes, IC 3D can identify bacteria at single-cell sensitivity without the need for cell culture.

SourceUniversity of California - Irvine·JournalNature Communications·DateNov 13, 2014

Lightning expected to increase by 50 percent with global warming

Climate models predict a 50% increase in lightning strikes across the US due to global warming, which will lead to more human injuries and wildfires. The study used precipitation and cloud buoyancy data from climate models and found that these two parameters can predict lightning strikes with high accuracy.

SourceUniversity of California - Berkeley·JournalScience·DateNov 13, 2014

Britain's obese in denial about their weight

A majority of obese people in Britain deny being obese, describing themselves as 'just right' or 'very overweight' instead. The study suggests that media coverage and public health campaigns may be contributing to this phenomenon, as people become less likely to recognize the health risks associated with their weight.

SourceCancer Research UK·JournalBMJ Open·DateNov 13, 2014
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.

Apple iPhone 17 Pro

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

UC Davis investigational medication used to resolve life-threatening seizures in children

Researchers at UC Davis and Northwestern University have found an investigational medication to effectively treat children with life-threatening seizures, resolving symptoms without adverse effects. The medication, a formulation of allopregnanolone, showed promising results in two clinical cases, where patients were weaned off general ...

SourceUniversity of California - Davis Health·JournalAnnals of Neurology·DateNov 12, 2014
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.

Study at SLAC explains atomic action in high-temperature superconductors

Scientists suggest using natural vibrations in one material to boost superconductivity in another, opening a new chapter in the quest for room temperature superconductors. The study reveals that iron selenide superconductor operates at much higher temperatures when placed atop STO material.

SourceDOE/SLAC National Accelerator Laboratory·JournalNature·DateNov 12, 2014

Do homing pigeons navigate with gyroscope in brain?

Researchers discovered that homing pigeons use an internal gyroscope to guide themselves home, even when encountering disturbances in the gravity field. The study found that birds initially set a bearing home by comparing their home gyroscope setting with their local gyroscope reading.

SourceThe Company of Biologists·JournalJournal of Experimental Biology·DateNov 12, 2014

Primordial galaxy bursts with starry births

Astronomers have discovered a galaxy, AzTEC-3, that gives birth to 1,100 suns annually, creating about three suns each day. This ancient galaxy is one of the earliest examples of a starburst galaxy, fuelled by massive material and galactic mergers.

SourceCornell University·DateNov 12, 2014
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.

Climate change puts coastal crabs in survival mode, study finds

A new study published in the Journal of Experimental Biology found that climate change is affecting the survival abilities of coastal crabs. The researchers found that while the crabs can adapt to a warming climate, they will not have enough energy for other activities beyond basic survival.

SourceSan Francisco State University·JournalJournal of Experimental Biology·DateNov 12, 2014

Hope for those with social anxiety disorder: You may already be someone's best friend

People with social anxiety disorder tend to think their friendships are worse than they really are, but a new study reveals this perception may be misplaced. The study found that friendships of people with social anxiety disorder were not significantly worse than those without the disorder, contrary to their self-reported experiences.

SourceWashington University in St. Louis·JournalJournal of Abnormal Psychology·DateNov 12, 2014
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.

New materials for more powerful solar cells

Researchers at INRS have developed a new class of multiferroic materials for solar cells, increasing conversion efficiency to 8.1%. The team's triple-layer coating captures different wavelengths of light, converting more light into electricity.

SourceInstitut national de la recherche scientifique - INRS·JournalNature Photonics·DateNov 12, 2014

Self-inflation harms kids' relationships at school

A new study by Katrin Rentzsch and Michela Schröder-Abé found that unrealistic views of one's academic abilities can damage a child's relationship with others in the classroom. Students who tend to feel unrealistically superior to their peers are less liked by them, even at habitual levels.

SourceSAGE·JournalSocial Psychological and Personality Science·DateNov 12, 2014

How does the brain develop in individuals with autism?

A new mouse model demonstrates that a genetic mutation in the FOXP1 gene leads to brain degeneration, causing perception and behavior problems. The study provides valuable insights into the molecular mechanisms underlying autism.

SourceHeidelberg University Hospital·JournalMolecular Psychiatry·DateNov 12, 2014

'Smart' drugs won't make smart people smarter

A recent study by Dr. Ahmed Dahir Mohamed found that Modafinil slowed down reaction times and impaired the ability to respond in a timely manner in healthy participants. The drug did not improve cognitive performance or enhance creativity, contrary to its marketed claims.

SourceUniversity of Nottingham·JournalPLOS ONE·DateNov 12, 2014
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.

Large-scale study on vein filter use launches

The PRESERVE study aims to determine the safety and effectiveness of IVC filters in preventing pulmonary embolism. It will enroll 2,100 patients at over 60 centers across the US and assess patient outcomes every six months for up to two years.

SourceSociety of Interventional Radiology·DateNov 12, 2014

HIV virulence depends on where virus inserts itself in host DNA

Researchers at KU Leuven discovered that HIV's integration site determines disease progression. The team found that manipulating the integration site can lead to faster disease progression in some cases, but also opens up possibilities for developing new therapies by targeting safer regions of host DNA.

SourceKU Leuven·JournalCell Host & Microbe·DateNov 12, 2014

A twisted world -- chemists build a molecular banister

Researchers at the University of Basel have created a helical molecule with unique properties, where one strand winds around a central axis like a staircase banister. This 'twisted world' enables dynamic changes in chirality, opening up new possibilities for basic research and industrial applications.

SourceUniversity of Basel·JournalAngewandte Chemie International Edition·DateNov 12, 2014
Meta Quest 3 512GB

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

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.

The backwards brain? Study shows how brain maps develop to help us perceive the world

Scientists at Scripps Research Institute found that moving forward trains the brain to perceive the world normally and calibrates time perception. The study's findings have implications for treating sensory processing disorders like autism and could lead to retraining the brain after stroke or other conditions.

SourceScripps Research Institute·JournalProceedings of the National Academy of Sciences·DateNov 12, 2014

Picture emerges of how kids get head injuries

A study of over 43,000 children with head trauma found that falls were the most common cause of head injuries in children under 12, while assaults, sports, and car crashes were more prevalent in teenagers. The findings suggest that CT scans may be overused during diagnosis, and could help policy makers develop injury-prevention measures.

SourceWashU Medicine·JournalNew England Journal of Medicine·DateNov 12, 2014
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.

Rice University program models more detailed evolutionary networks from genetic data

Rice University researchers have developed PhyloNet, an open-source software package that models more detailed evolutionary networks from genetic data. The software uses a maximum likelihood method to infer network models that better describe the evolution of certain groups of species than traditional tree models.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateNov 12, 2014

A tale of two seas: Last Ice Age has shaped sharks across Europe

Research reveals genetic differences between catsharks in the Mediterranean and North East Atlantic, suggesting they may be more vulnerable to over-fishing. The study's findings also highlight sex-specific migration patterns among catshark populations.

SourceUniversity of Bristol·JournalRoyal Society Open Science·DateNov 12, 2014

NIDA researchers confirm important brain reward pathway

Researchers have confirmed a critical brain reward pathway involving glutamate, linking it to the activation of the dopamine system. This discovery sheds light on the neurobiology of drug addiction and opens new avenues for research into motivation disorders.

SourceNIH/National Institute on Drug Abuse·JournalNature Communications·DateNov 12, 2014
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.

Single molecular switch may contribute to major aging-related diseases

A study at Massachusetts General Hospital identified nitric oxide's impact on SIRT1 protein, which regulates inflammation in various aging-related disorders. Blocking nitric oxide effects may disrupt this inflammatory process and prevent conditions like diabetes, atherosclerosis, and Parkinson's disease.

SourceMassachusetts General Hospital·JournalScience Signaling·DateNov 12, 2014