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Science News Archive 2011 - Page 257


Page 257 of 311

NSF grant for infrared imaging in pit vipers

A three-year NSF grant is supporting research on the mechanisms of infrared imaging in pit vipers and pythons. Graduate students are studying the proteins responsible for this ability, while undergraduate researchers are training Burmese pythons to perform complex behaviors in response to thermal signals.

SourceFlorida Institute of Technology·DateMar 9, 2011

Alice Chen receives Lemelson-MIT student prize

Alice Chen's inventions aim to improve drug development and disease modeling using humanized mice with tissue-engineered human livers. Her work has the potential to lead to a safer, less expensive, and more efficient path for drug testing.

SourceLemelson-MIT Program·DateMar 9, 2011
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.

Rensselaer professor utilizing New York state grant to study adult stem cells

Deanna Thompson is utilizing NYSTEM funding to study adult neural stem cells for developing new stem cell therapies and research tools. Her research aims to understand how these stem cells proliferate and differentiate into new nerve cells, with potential applications in treating brain injuries, illnesses, and cancers.

SourceRensselaer Polytechnic Institute·DateMar 9, 2011

Novel method could improve the performance of proteins used therapeutically

Whitehead Institute scientists have developed a novel method using the enzyme sortase A to site-specifically modify proteins, increasing their potency, thermal stability, and metabolism. This technique can be applied to improve therapeutically important proteins such as interferon alpha 2 and granulocyte colony-stimulating factor 3.

SourceWhitehead Institute for Biomedical Research·JournalProceedings of the National Academy of Sciences·DateMar 9, 2011

A-ha! The neural mechanisms of insight

A new brain-imaging study has identified specific brain activity associated with 'A-ha!' moments, which may promote the formation of long-term memories. The researchers found that higher activity in the amygdala during insight moments predicted more successful performance in memory tasks.

SourceCell Press·JournalNeuron·DateMar 9, 2011
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.

Passive smoking increases risk to unborn babies, study says

A study published in Pediatrics found that pregnant non-smokers exposed to second-hand smoke have a higher risk of delivering stillborn babies or babies with congenital birth defects. Passive smoking increased the risk of stillbirth by nearly one-quarter and was linked to a 13% increased risk of congenital birth defects.

SourceUniversity of Nottingham·JournalPEDIATRICS·DateMar 9, 2011

U of M researchers using salmonella to fight cancer

Researchers are using genetically modified salmonella packaged with Interlueken 2 to create a two-prong attack on cancer. The therapy, administered orally, shows promise in controlling tumors in the gut and may offer a cheaper and less toxic alternative to chemotherapy and radiation.

SourceUniversity of Minnesota·DateMar 9, 2011

Pollution forms an invisible barrier for marine life

Researchers found that sewage discharge and urban runoff from coastal areas are affecting the genetic structure of sea stars, limiting their dispersal and decreasing genetic diversity. This study highlights the impact of human activities on marine ecosystems, suggesting a need for more effective management strategies.

SourceUniversity of Hawaii at Manoa·JournalNature Communications·DateMar 9, 2011

More reasons to be nice: It's less work for everyone

A new study suggests that holding doors for others may be motivated by a desire to reduce the effort required, not just out of respect. The research found that when multiple people follow, the person holding the door holds it longer, and followers hasten their steps to fulfill an implicit pact.

SourceAssociation for Psychological Science·JournalPsychological Science·DateMar 9, 2011
Meta Quest 3 512GB

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

SCOPE and Elsevier partner to publish Environmental Development

The new journal Environmental Development aims to provide solutions to regional environmental issues through rapid assessments and integrative approaches. It bridges the gap between natural sciences, social sciences, and policy makers to foster global action and knowledge sharing.

SourceElsevier·JournalEnvironmental Development·DateMar 9, 2011

Missing DNA helps make us human

Researchers identified 510 missing genetic segments that distinguish humans from chimpanzees and other animals. These segments affect gene regulation, enabling traits like large brains and sensory whiskers. The study reveals how human evolution occurred through subtle DNA changes.

SourceHoward Hughes Medical Institute·JournalNature·DateMar 9, 2011

Baby stars born to 'napping' parents

Cardiff University astronomers propose that young stars' long naps could lead to the birth of smaller stars and planets. The researchers developed advanced computer models to simulate young star behavior, finding that disc fragmentation is possible in nature.

SourceCardiff University·DateMar 9, 2011
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.

NASA and other satellites keeping busy with this week's severe weather

Satellites like GOES-13 and NASA's Aqua satellite captured images of a huge cold front stretching from Minnesota to Louisiana, generating tornadoes and heavy rainfall. The storm system is expected to bring up to 1 quarter inch more rain to the eastern US, with potential flooding in various areas.

SourceNASA/Goddard Space Flight Center·DateMar 9, 2011

Study illuminates role of cerebrospinal fluid in brain stem cell development

Researchers found that signals from cerebrospinal fluid help drive neural development, while elevated CSF protein levels are associated with glioblastoma. The study identifies a potential link between CSF signaling and brain tumor growth, offering new insights into treating this malignant brain tumor.

SourceBoston Children's Hospital·JournalNeuron·DateMar 9, 2011

New study proves the brain has 3 layers of working memory

Researchers at Rice University and Georgia Tech found evidence for three distinct layers of working memory, including a core focusing on one active item and surrounding areas holding multiple items. Predictability can improve multitasking by automizing certain tasks, allowing individuals to effectively switch between tasks.

SourceRice University·JournalJournal of Cognitive Psychology·DateMar 9, 2011

NIST electromechanical circuit sets record beating microscopic 'drum'

Physicists at NIST have demonstrated an electromechanical circuit that processes information and controls motion at the quantum scale. The device uses a micro drum to transmit mechanical vibrations, achieving strong interactions between microwave light and the drum, paving the way for quantum applications.

SourceNational Institute of Standards and Technology (NIST)·JournalNature·DateMar 9, 2011

Banana peels get a second life as water purifier

Researchers have discovered that minced banana peels can quickly and efficiently remove toxic metals like lead and copper from river water, outperforming other materials in the process. The discovery could provide a sustainable solution for water purification, especially in areas where access to clean drinking water is limited.

SourceAmerican Chemical Society·JournalIndustrial & Engineering Chemistry Research·DateMar 9, 2011
Apple iPhone 17 Pro

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

Weed-eating fish 'key to reef survival'

A new study finds that weed-eating fish like parrotfish and surgeonfish can only keep coral reefs clear of weeds before they take over. Beyond a certain density, the fish no longer control the weeds, allowing the corals to be lost.

SourceARC Centre of Excellence for Coral Reef Studies·JournalEcology Letters·DateMar 9, 2011

Missing DNA makes us human

The study found that humans have unique non-coding DNA segments missing in chimpanzees and other animals, which are correlated with specific human physical characteristics. These differences may have evolved to favor pair-bonding relationships and group living, rather than rapid copulation.

SourcePenn State·JournalNature·DateMar 9, 2011
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.

Gene variant influences chronic kidney disease risk

Researchers identified a single genetic mutation in the CUBN gene linked to albuminuria, a condition indicating kidney disease, in both diabetic and non-diabetic individuals. The study's findings have significant implications for understanding the mechanisms behind kidney disease and potentially leading to novel treatment targets.

SourceJohns Hopkins Bloomberg School of Public Health·JournalJournal of the American Society of Nephrology·DateMar 9, 2011

Learning to see consciously

Researchers found that training improves subjective perception of stimuli, leading to conscious sight. The brain regions involved in learning effects differ from those for automatic stimulus processing, suggesting two distinct neural pathways.

SourceMax-Planck-Gesellschaft·JournalProceedings of the National Academy of Sciences·DateMar 9, 2011

How do we combine faces and voices?

A new study has revealed the brain networks involved in person recognition using both face and voice information. The research found that specific regions of the left angular gyrus and right hippocampus are activated when recognizing people from combined visual and auditory cues.

SourceElsevier·JournalCortex·DateMar 9, 2011
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Pinpointing air pollution's effects on the heart

Researchers found that ultrafine particles can activate platelets, increasing the risk of cardiovascular disease, particularly in people with diabetes. The study provides new insights into air pollution's impact on heart health, emphasizing the importance of controlling exposure to pollutants for vulnerable populations.

SourceUniversity of Rochester Medical Center·JournalEnvironmental Health Perspectives·DateMar 9, 2011

Giving children the power to be scientists

A new computer toolkit named nQuire has been developed to teach children how to think like scientists, enabling them to gather data, analyze results, and make informed decisions. The project shows that this approach can improve learning outcomes, maintain student enjoyment of science lessons, and develop critical thinking skills.

SourceUniversity of Nottingham·DateMar 9, 2011

Protein study helps shape understanding of body forms

Researchers at the University of Edinburgh have identified a protein that plays a key role in storing fat in the body. The study found that mice with high levels of this protein were more prone to developing unhealthy fat tissue after a high-fat diet, highlighting its potential as a target for obesity treatment.

SourceUniversity of Edinburgh·JournalDiabetes·DateMar 9, 2011

International panel revises 'McDonald Criteria' for diagnosing multiple sclerosis

The revised McDonald Criteria simplify the diagnostic process by incorporating new data on MRI, speeding up diagnosis while maintaining accuracy. The updated criteria apply primarily to individuals with clinically isolated syndrome or symptoms consistent with a central nervous system inflammatory demyelinating disease.

SourceNational Multiple Sclerosis Society·JournalAnnals of Neurology·DateMar 9, 2011
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.

Researchers find smoking may increase risk for lung disease

Researchers found that interstitial lung disease is associated with reduced total lung capacity and less emphysema in smokers. Smokers with abnormal lung densities are at increased risk for restrictive lung oxygen volume deficits.

SourceBrigham and Women's Hospital·JournalNew England Journal of Medicine·DateMar 9, 2011

Study: Negative classroom environment adversely affects children's mental health

A new study by the American Sociological Association reveals that classrooms with inadequate material resources and teachers feeling undervalued lead to worse mental health outcomes in first-grade children. The research emphasizes the importance of considering mental health as a crucial educational outcome.

SourceAmerican Sociological Association·JournalJournal of Health and Social Behavior·DateMar 9, 2011

Which side of the brain rotates a mental picture?

A multidisciplinary team found that patients with tumors in the right parietal cortex struggled to process categorical spatial information, leading to errors in mental rotation tasks. The left prefrontal cortex was also affected, causing difficulties in setting up specific programs within the brain for task organization.

SourceElsevier·JournalCortex·DateMar 9, 2011
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.

Americans have higher rates of most chronic diseases than same-age counterparts in England

Researchers found that Americans experience higher rates of chronic disease and markers of disease than their English counterparts at all ages, despite the US having a higher healthcare spending. The study suggests that allocation of health care resources, lifestyle, and social conditions may play a role in the observed differences.

SourceOxford University Press UK·JournalAmerican Journal of Epidemiology·DateMar 9, 2011

New molecular robot can be programmed to follow instructions

Researchers have developed a programmable molecular robot that can move between track locations separated by 6nm and choose among different branches of a molecular track. The robot uses a 'fuel hairpin' molecule to propel itself along the track and receive routing instructions, enabling precise control over its route.

SourceAmerican Chemical Society·JournalNano Letters·DateMar 9, 2011

Tiny gems take big step toward battling cancer

A Northwestern University research team found that binding chemotherapy drugs to nanodiamonds significantly improves the effectiveness of cancer treatment, particularly in cases where tumors are resistant to conventional therapies. The discovery holds promise for treating aggressive cancers with fewer toxic side effects.

SourceNorthwestern University·JournalScience Translational Medicine·DateMar 9, 2011
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.

Researchers selectively control anxiety pathways in the brain

A new study uses optogenetics to precisely identify neural circuits responsible for anxiety, identifying two key pathways in the amygdala region that promote or alleviate anxiety. This breakthrough brings psychiatric professionals closer to understanding anxiety disorders.

SourceU.S. National Science Foundation·JournalNature·DateMar 9, 2011

In adolescence, the power to resist blooms in the brain

Research using fMRI scans found that brain activity in areas responsible for emotional regulation increased significantly between ages 10 and 13, allowing children to better resist peer influence. This study provides insight into the brain's wiring during adolescence and may lay the foundation for future studies with clinical relevance.

SourceUniversity of Oregon·JournalNeuron·DateMar 9, 2011

Gene fusion mechanisms offer new clues to origin of pediatric brain tumors

Researchers have identified a pattern of DNA sequence called microhomology that plays a key role in the formation of gene fusions in pediatric brain tumors. This discovery sheds light on how these genomic rearrangements form in the early stages of cancer and may have implications for understanding other types of cancers.

SourceCold Spring Harbor Laboratory·JournalGenome Research·DateMar 9, 2011
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.

3-D tracking of single molecules inside cells

Researchers developed a novel 3D cell imaging method using multifocal plane microscopy to track single molecules in live cells for extended periods. This technique overcomes previous limitations and enables the study of complex spatial-temporal dynamics of protein transport.

SourceAmerican Institute of Physics·DateMar 8, 2011

IRBs could use pre-clinical data better

Researchers argue that IRBs often neglect reporting and methodological quality in preclinical experiments, leading to inadequate risk-benefit assessments. A proposed solution suggests considering evidence on risks and benefits of agents targeting related biological pathways.

SourcePLOS·JournalPLOS Medicine·DateMar 8, 2011

A more definitive test for a common sexually transmitted infection

A study from Rhode Island Hospital found a new test for Trichomonas vaginalis (TV) to be more accurate, detecting 100% true positives with no false positives. The test was found to be prevalent in women aged 36-45 and 51-60, indicating the need for routine screening for this common sexually transmitted infection.

SourceLifespan·JournalJournal of Clinical Microbiology·DateMar 8, 2011
Celestron NexStar 8SE Computerized Telescope

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

Secrets of plague revealed

A new super-resolution microscopy technique reveals changes in protein concentration on human immune cells exposed to E.coli and Y.pestis toxins. This work provides insight into why some bacteria can evade the immune system.

SourceAmerican Institute of Physics·DateMar 8, 2011

A novel prognostic marker for biliary atresia

Researchers used DNA microarrays to analyze gene expression in livers from patients with biliary atresia and found a key regulator: RRAS. This gene plays a vital role in the pathogenesis of the disease, making it a potential prognostic biomarker.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateMar 8, 2011
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.

The foundations of empathy are found in the chicken

Researchers at the University of Bristol discovered that domestic hens exhibit a clear physiological and behavioral response to mild chick distress, suggesting an empathic capacity. The study used both behavioral and physiological methods to measure these traits in birds.

SourceUniversity of Bristol·DateMar 8, 2011

The science behind the cape

Physiologist E. Paul Zehr uses Batman as a framework to discuss exercise and physical training, illustrating how the body responds to physical discipline. His approach connects science to popular culture, helping students understand physiology better.

SourceAmerican Physiological Society·JournalAJP Advances in Physiology Education·DateMar 8, 2011

How can robots get our attention?

A team of researchers has successfully programmed a robot to understand when it gains a human's attention and when it falls short. Using social cues, the robot achieves close to 80% accuracy in detecting whether someone is paying attention or ignoring it. The findings could pave the way for robots to engage with humans more effectively.

SourceGeorgia Institute of Technology·DateMar 8, 2011