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Science News for March 9, 2011


Reading in 2 colours at the same time

A recent brain imaging study has identified the neural patterns that enable some individuals to perceive two colors at once while reading. The research, published in Cortex, suggests that the same areas of the brain responsible for processing color also support synesthetic experiences.

SourceElsevier·JournalCortex·DateMar 9, 2011

How do people respond to being touched by a robot?

Researchers found people generally react positively to robotic touch, but perception of robot's intent makes a difference. The team plans to investigate ways to make robot touch more acceptable for future healthcare tasks.

SourceGeorgia Institute of Technology·DateMar 9, 2011
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.

Rutgers researchers identify materials that may deliver more 'bounce'

Researchers at Rutgers University have identified a class of high-strength metal alloys with potential to improve the performance of engines, medical imaging equipment, security systems, and other applications. These nanostructured metals can convert electrical and magnetic energy into movement or vice-versa.

SourceRutgers University·JournalPhysical Review Letters·DateMar 9, 2011

UK doctors consistently oppose euthanasia and assisted suicide

A systematic review of UK doctors' attitudes towards euthanasia and physician-assisted suicide reveals a significant gap between doctor's views and the public's. The majority of doctors oppose these practices, with religiosity, palliative care, and patient autonomy cited as key factors.

SourceSAGE·JournalPalliative Medicine·DateMar 9, 2011

Myth of the Egyptian 'girly man'; questions on recent Egyptian revolt

The British depiction of Egyptians as weak and subservient led to a shift towards masculine ideals, including physical health and bodybuilding. This, in turn, contributed to the formation of an anti-colonial nationalist movement that reversed the colonial narrative and created a new sense of national identity.

SourceConcordia University·DateMar 9, 2011

An advance toward blood transfusions that require no typing

Researchers have made a breakthrough in developing a universal blood product that can be transfused without matching the donor and recipient's blood types. This new approach uses immunocamouflage to hide blood cells from antibodies, allowing for a reduced risk of fatal immune reactions.

SourceAmerican Chemical Society·JournalBiomacromolecules·DateMar 9, 2011

What's in a name? Broadening the biological lexicon to bolster translational research

Developmental biologist Hazel Sive proposes using the term 'tool' to define biological systems that don't accurately recapitulate human disorders, but provide valuable insights. These 'tools' can be used in loss-of-function studies and screening for chemicals that affect gene activity, potentially leading to therapeutic targets.

SourceWhitehead Institute for Biomedical Research·JournalDisease Models & Mechanisms·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.

A new look at the adolescent brain: It's not all emotional chaos

A recent study published in Neuron found that certain brain regions, including the ventral striatum, play a positive regulatory role in adolescent interpersonal functioning. This suggests that teenagers may be less susceptible to peer pressure and risky behavior as they mature.

SourceCell Press·JournalNeuron·DateMar 9, 2011

Study shows how plants sort and eliminate genes over millennia

Researchers studied the genome of Arabidopsis suecica, a hybrid species formed tens of thousands of years ago, to understand how genes are sorted and eliminated. The findings suggest that genes from one parent are preferentially expressed over the other, leading to the deletion of unfavored genes.

SourcePurdue University·JournalGenome Biology·DateMar 9, 2011

Abnormal neural activity recorded from the deep brain of Parkinson's disease and dystonia patients

Abnormal neural activity was recorded from the deep brain of Parkinson's disease and dystonia patients, confirming previous animal study results. The findings suggest that cortically evoked neural responses in the basal ganglia can be used to determine target locations for deep brain stimulation electrodes.

SourceNational Institute for Physiological Sciences·JournalMovement Disorders·DateMar 9, 2011

Combating cucurbit yellow stunting disorder virus

Researchers identify resistance to cucurbit yellow stunting disorder virus (CYSDV) in exotic melon varieties, with potential applications for the southwestern United States. Whitefly populations and high temperatures exacerbate CYSDV infection, highlighting the need for integrated management strategies.

SourceUnited States Department of Agriculture - Research, Education and Economics·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.

Nottingham scientists identify trigger in cat allergy

Researchers at the University of Nottingham have discovered a cell component that plays a key role in triggering allergic responses to cat dander. The finding could lead to the development of new treatments for allergies and asthma.

SourceUniversity of Nottingham·JournalJournal of Biological Chemistry·DateMar 9, 2011

New mouse models generated for MYH9 genetic disorders

Researchers have developed mouse models of human MYH9 genetic disorders, which cause enlarged platelets and kidney disease. The models will aid in understanding the development of these diseases and identifying defects in the gene product.

SourceAmerican Institute of Physics·DateMar 9, 2011

Researchers identify new form of muscular dystrophy

A new gene mutation has been identified as the cause of a rare form of muscular dystrophy, with severe cognitive impairment. Researchers created a mouse model to study the mutation and found similar muscle and brain abnormalities, offering hope for potential treatments.

SourceUniversity of Iowa Health Care·JournalNew England Journal of Medicine·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.

New genetic deafness syndrome identified

Scientists have identified a mutation on the CACNA1D gene that affects two families in Pakistan, leading to deafness and an irregular heartbeat. The mutated protein still sits in the cell's surface membrane but fails to open the calcium channel.

SourceAmerican Institute of Physics·DateMar 9, 2011

Sunlight can influence the breakdown of medicines in the body

A Swedish study found that sunlight influences the body's ability to break down medicines, with seasonal variations in drug concentrations closely linked to vitamin D levels. This may lead to increased sensitivity to certain medications, highlighting a new model for understanding individual differences in drug effects.

SourceKarolinska Institutet·JournalDrug Metabolism and Disposition·DateMar 9, 2011

New microscope decodes complex eye circuitry

Researchers have discovered that retinal ganglion cells receive visual information from amacrine cell dendrites running along the null-direction, allowing for directional selectivity. This mechanism relies on asymmetric synapses and inhibitory influences between neighbouring amacrine cells.

SourceMax-Planck-Gesellschaft·JournalNature·DateMar 9, 2011
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.

Drug use increasingly associated with microbial infections

Illicit drug users are more susceptible to serious infections due to exposure to microbial pathogens. Unsterile injection practices, contaminated needles, and the use of cutting agents can facilitate the spread of bacterial, viral, fungal, and protozoal infections.

SourceMicrobiology Society·JournalJournal of Medical Microbiology·DateMar 9, 2011

Alcohol abuse history influences quality of life following liver transplant

Researchers found that patients with alcohol abuse history experienced less improvement in physical quality of life and greater pain and physical limitations after transplant surgery. However, their mental health quality improved significantly between baseline and one-month follow-up.

SourceHenry Ford Health·JournalTransplantation Proceedings·DateMar 9, 2011

Synthetic biology: TUM researchers develop novel kind of fluorescent protein

Scientists at TUM create customized fluorescent proteins in various colors for future applications by incorporating a genetically encoded non-natural amino acid into widely used natural proteins like GFP. The new bio-molecule exhibits a pseudo-Stokes shift, allowing it to be excited with commercially available black-light lamps.

SourceTechnical University of Munich (TUM)·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.

Web-crawling the brain

A team of researchers at Harvard Medical School has developed a technique to unravel the complex neural circuits in the brain. By crawling through individual connections, they created a partial wiring diagram that revealed interesting insights into how the brain functions.

SourceHarvard Medical School·JournalNature·DateMar 9, 2011

'Singing' mice -- the ongoing debate of nature vs. nurture

Researchers have found that mice exhibit complex vocalizations with age, suggesting potential for vocal learning. However, a cross-fostering experiment suggests that mouse songs may be genetically determined. The debate over nature vs. nurture remains unresolved, highlighting the complexities of scientific research.

SourcePLOS·JournalPLOS ONE·DateMar 9, 2011
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.

Toward real time observation of electron dynamics in atoms and molecules

Researchers use high harmonic generation method to study electronic correlations in xenon atoms, opening opportunities for investigating electron dynamics on the attosecond timescale. The new laser source developed at ALLS proves ideal for HHG from atoms and molecules, providing information on giant resonance of xenon.

SourceInstitut national de la recherche scientifique - INRS·JournalNature Physics·DateMar 9, 2011

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
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.

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

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
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.

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

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
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.

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
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.

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
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.

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
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.

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
Celestron NexStar 8SE Computerized Telescope

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

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

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
Fluke 87V Industrial Digital Multimeter

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

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

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
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.

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
Meta Quest 3 512GB

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

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
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.

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