Add BrightSurf on Google Email

Science News for March 2, 2012


The future of plant science – a technology perspective

The development of new technologies is crucial for transforming plant biology to meet human needs, according to Carnegie researchers David Ehrhardt and Wolf Frommer. Advanced imaging technologies and existing methods like DNA sequencing and mass spectroscopy will aid in understanding plant function and informing sustainable solutions.

SourceCarnegie Institution for Science·JournalThe Plant Cell·DateMar 2, 2012
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.

How does cannabis affect working memory?

Researchers have identified a mechanism by which cannabinoids in cannabis affect working memory, involving decreased neural connections in the hippocampus. Cannabinoid receptors, particularly those in astroglial cells, modulate synaptic plasticity and impair spatial working memory.

SourceINSERM (Institut national de la santé et de la recherche médicale)·JournalCell·DateMar 2, 2012

Family preferences strongly influence decision making in very premature deliveries

A study found that obstetricians' approaches to managing periviable deliveries vary widely, with many prioritizing patient preference over evidence-based guidelines. The authors recommend improving communication of uncertainty and managing patient expectations to provide more patient-centered care.

SourceElsevier Health Sciences·JournalAmerican Journal of Obstetrics and Gynecology·DateMar 2, 2012

Dark matter core defies explanation in NASA Hubble image

Astronomers have observed a clump of dark matter in the Abell 520 galaxy cluster, which contradicts current theories about its behavior. The team used the Hubble Space Telescope to map dark matter, revealing a core rich in dark matter but containing no luminous galaxies.

SourceNASA/Goddard Space Flight Center·DateMar 2, 2012

Power hungry

The US electric grid is complex and vulnerable to failure, particularly with aging EHV transformers. The new 'Recovery Transformer' program aims to develop a modular, smaller, and lighter alternative that can be easily transported and installed.

SourceUS Department of Homeland Security - Science and Technology·DateMar 2, 2012

Diabetes risk from sitting around

A University of Leicester study found that long periods of sitting increase the risk of type 2 diabetes in women, with higher levels of insulin and inflammatory chemicals detected in sedentary individuals. The research highlights the importance of reducing sitting time for women to prevent chronic disease.

SourceUniversity of Leicester·JournalAmerican Journal of Preventive Medicine·DateMar 2, 2012
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.

Flying jewels spell death for baby spiders

Four new species of Panops spider flies have been described from Australia, characterized by their jewel-like appearance and ability to feed on nectar. The larvae of these flies are internal parasites that prolong the life of juvenile spiders by living inside them for years, ultimately leading to the spider's death.

SourcePensoft Publishers·JournalZooKeys·DateMar 2, 2012

Studies reveal structure of EV71, a virus causing childhood illnesses

Two research teams report new findings on the structure of enterovirus 71, a virus causing hand, foot and mouth disease and potentially fatal brain swelling. Researchers propose designs for antiviral drugs to treat the infection by targeting a unique 'pocket factor' exposed in EV71.

SourcePurdue University·JournalScience·DateMar 2, 2012

GIS siting of emergency vehicles improves response time

Researchers developed a new method using GIS to determine optimal emergency vehicle station locations, improving ambulance response time. The study found that distributing vehicles over 82 potential locations gave 87% of the population service in less than 8 minutes.

SourceUniversity of Georgia·JournalApplied Geography·DateMar 2, 2012

New study will help protect vulnerable birds from impacts of climate change

A new study identifies nearly 130 bird species at risk due to climate change, with 72% of threatened and endangered species projected to be further impacted. The research provides a comprehensive list of vulnerable species for conservation action, prioritizing wetland birds and those dependent on sea or near-shore habitats.

SourcePoint Blue Conservation Science·JournalPLOS ONE·DateMar 2, 2012
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.

Protecting living fossil trees

Researchers are using cutting-edge DNA sequencing technology to study Fiji's living fossil trees and understand how biodiversity is generated. The project aims to predict how these rare species will adapt to climate change, enabling conservation efforts.

SourceQueensland University of Technology·JournalAustralian Journal of Botany·DateMar 2, 2012

Oxygen detected in atmosphere of Saturn's moon Dione

Scientists have discovered molecular oxygen ions in the upper atmosphere of Saturn's moon Dione, which could be a crucial ingredient for life. The detection was made possible by instruments aboard NASA's Cassini spacecraft and suggests that icy moons like Europa may produce oxygen through sputtering processes.

SourceDOE/Los Alamos National Laboratory·JournalGeophysical Research Letters·DateMar 2, 2012

Energy squeeze

Researchers at Northwestern University discovered that squeezed polymers can generate significant amounts of energy for chemical reactions. However, they also found that certain polymer-based medical implants release harmful free radicals under moderate pressure, raising concerns about their safety.

SourceNorthwestern University·JournalAngewandte Chemie·DateMar 2, 2012

Kessler Foundation scientist honored with Women of Excellence award

Helen Genova, a researcher at Kessler Foundation, has received the Women of Excellence Award in Health Sciences for her groundbreaking studies on cognitive fatigue in individuals with multiple sclerosis. Her innovative approach using functional MRI aims to develop more effective strategies for maintaining cognition and quality of life.

SourceKessler Foundation·DateMar 2, 2012
Apple iPhone 17 Pro

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

UK scientists develop optimum piezoelectric energy harvesters

Researchers at the National Physical Laboratory have developed a new model for piezoelectric energy harvesters that can convert up to 25% more energy from unwanted mechanical vibrations. The new design covers only two-thirds of the cantilever's length, reducing internal power loss and increasing overall efficiency.

SourceNational Physical Laboratory·JournalApplied Physics Letters·DateMar 2, 2012

Heart healthy choices now pay off later

A Northwestern University study found that maintaining a healthy lifestyle from young adulthood into middle age can significantly reduce cardiovascular disease risk. Those who adhered to five key lifestyle factors, including a balanced diet and regular physical activity, were more likely to maintain a low-risk profile in their 40s.

SourceNorthwestern University·DateMar 2, 2012

Unwinding nature's clocks, with $14 million from DARPA

Researchers are deconstructing molecular and genetic rhythms to better understand biological timing mechanisms. By isolating genes and signals, they hope to control and repair broken clocks, leading to breakthroughs in fields like cancer research and communication signal improvement.

SourceDuke University·DateMar 2, 2012

Studies show exposure to diesel exhaust may increase lung cancer mortality

A cohort study and nested case-control study found a statistically significantly increased risk of lung cancer with increasing diesel exhaust exposure among workers and urban populations. Studies suggest stringent occupational and environmental standards are necessary to reduce the health burden of carcinogenic diesel exhaust.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateMar 2, 2012

Holding a mirror to brain changes in autism

Researchers used transcranial magnetic stimulation to measure brain activity in individuals with ASD and healthy controls, finding a blunted response to motor cortex stimulation. This suggests that deficits in the mirror neuron system contribute to social deficits in autism spectrum disorder.

SourceElsevier·JournalBiological Psychiatry·DateMar 2, 2012
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.

Stress making your blood pressure rise? Blame your immune system

Research suggests that T cells play a role in stress-dependent hypertension, and that medications targeting the immune system may also help control anxiety disorders. Mice studies found that T cell deficiency led to reduced blood pressure sensitivity to stress.

SourceEmory Health Sciences·JournalBiological Psychiatry·DateMar 2, 2012

Important clue uncovered for the origins of a type of supernovae explosion

A research team at the University of Pittsburgh used the Sloan Digital Sky Survey to determine that the merger of double white dwarfs is a plausible explanation for Type Ia supernovae. The study found that one double white dwarf merger event occurs in the Milky Way about once a century, remarkably close to the rate of observed Type Ia ...

SourceUniversity of Pittsburgh·JournalThe Astrophysical Journal Letters·DateMar 2, 2012

New high definition fiber tracking reveals damage caused by traumatic brain injury, Pitt team finds

A powerful new imaging technique called High Definition Fiber Tracking (HDFT) has been developed to clearly see for the first time neural connections broken by traumatic brain injury. HDFT scans have identified disruptions in neural pathways, allowing researchers to pinpoint breaks in the cables and quantify the proportion of fibers lost.

SourceUniversity of Pittsburgh Schools of the Health Sciences·JournalJournal of Neurosurgery·DateMar 2, 2012
Fluke 87V Industrial Digital Multimeter

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

Another severe weather system seen on satellite movie from NASA

A powerful weather system is moving through the central and eastern U.S., generating more severe weather and at least 12 tornadoes reported in three states. NASA's GOES-13 satellite captured the movement of the weather system, which pushed east as it generated severe weather in Ohio, Kentucky, Tennessee, Alabama, and Georgia.

SourceNASA/Goddard Space Flight Center·DateMar 2, 2012

When my eyes serve my stomach

A study by Rémi Radel found that hungry participants saw food-related words as brighter and were better at identifying them, indicating an early change in visual perception. This suggests the brain can adjust its processing to prioritize information related to needs or desires.

SourceAssociation for Psychological Science·JournalPsychological Science·DateMar 2, 2012

Law that regulates shark fishery is too liberal: UBC study

A new UBC study analyzing 50 shark species reveals the average fin-to-body mass ratio is 3%, significantly lower than the 5% limit set by EU and other countries. This suggests that current laws may not prevent waste or overfishing, despite efforts to protect sharks.

SourceUniversity of British Columbia·JournalJournal of Fish Biology·DateMar 2, 2012

A healthy teenager is a happy teenager

A new UK study found that teenagers who engage in healthy behaviors such as regular exercise, eating fruits and vegetables, and not smoking are significantly happier than their peers. The research also showed that young people's participation in sports increases happiness levels.

SourceEconomic & Social Research Council·DateMar 2, 2012
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.

Prenatal remediation strategy significantly reduces lead poisoning in children

A prenatal remediation strategy targeting homes of pregnant women significantly reduced childhood lead poisoning and lower blood lead levels in children. The study found that 62.5% of homes underwent remediation, compared to 28.2% in Philadelphia, where a similar program did not show the same results.

SourceElsevier Health Sciences·JournalAmerican Journal of Obstetrics and Gynecology·DateMar 2, 2012

New computers respond to students' emotions, boredom

The new technology, AutoTutor and Affective AutoTutor, can gauge students' emotional states and adjust strategies to help them overcome frustration and boredom. Tested on over 1,000 students, the system produces significant learning gains, outperforming even expert human tutors.

SourceUniversity of Notre Dame·JournalACM Transactions on Intelligent Systems and Technology·DateMar 2, 2012

UC Davis research shows how the body senses a range of hot temperatures

Scientists discovered that ion channels can assemble in different combinations to detect a wide range of temperatures. Researchers found that combining specific subunits can create hybrid channels with enhanced sensitivity, allowing the body to adapt to temperature changes.

SourceUniversity of California - Davis Health·JournalJournal of Biological Chemistry·DateMar 2, 2012

'REST' is crucial for the timing of brain development

The study reveals that the REST molecule acts as an adapter for genetic switches, coupling molecular on-off switches with neural genes to regulate neuronal development. This mechanism is essential for proper brain function and may be linked to cancer and other diseases.

SourceUniversity of Copenhagen·JournalPLOS Genetics·DateMar 2, 2012
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Violent relationships likely detrimental to good parenting

Research suggests that violent relationships during pregnancy can lead to poor co-parenting skills, with mothers being more likely to exhibit violence than fathers. Common couple violence, characterized by actions like shoving and hitting, can be detrimental to the development of a positive co-parenting relationship.

SourcePenn State·JournalJournal of Family Issues·DateMar 2, 2012

Standardized outcome measures proposed for asthma clinical research

A consortium of federal agencies and organizations has published a report proposing common measures and data-collection methods for asthma clinical research. The proposed standardization aims to compare results more efficiently, leading to improvements in asthma management and treatment.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalJournal of Allergy and Clinical Immunology·DateMar 2, 2012

When your ship comes in

The US Department of Homeland Security's Container Security Test Bed allows for the rapid testing of novel detection technologies for explosives, drugs, and other illicit substances in cargo containers. This facility enables researchers to simulate real-world conditions and evaluate the effectiveness of different sensor systems.

SourceUS Department of Homeland Security - Science and Technology·DateMar 2, 2012

Cocoa may enhance skeletal muscle function

Researchers at UC San Diego found that epicatechin-enriched cocoa improved mitochondrial structure in patients with advanced heart failure and type 2 diabetes. The study suggests that treatment with epicatechin-rich cocoa may improve exercise capacity in these patients.

SourceUniversity of California - San Diego·JournalClinical and Translational Science·DateMar 2, 2012
Meta Quest 3 512GB

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

Heart-powered pacemaker could one day eliminate battery-replacement surgery

Researchers at the University of Michigan have designed a device that converts heartbeat vibrations into electricity to power pacemakers and defibrillators. The new energy harvester could save patients from repeated surgeries by reducing or eliminating the need for battery replacements.

SourceUniversity of Michigan·JournalApplied Physics Letters·DateMar 2, 2012

Artificial 'womb' unlocks secrets of early embryo development

A team led by Professor Kevin Shakesheff has created an artificial 'womb' that allows for the growth of embryos outside the body, revealing new aspects of embryonic development. By observing critical stages in real-time, scientists have gained insights into the process of head formation and the role of pioneer cells in leading migration.

SourceUniversity of Nottingham·JournalNature Communications·DateMar 2, 2012
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.

New 3-D stem cell culture method published in JoVE

Researchers from the University of Victoria have developed a new 3D stem cell culture method, enabling scientists to study cell behavior in conditions similar to those in the body. This breakthrough has significant implications for regenerative medicine and other fields.

SourceThe Journal of Visualized Experiments·JournalJournal of Visualized Experiments·DateMar 2, 2012

NIH asthma outcome measures aim to maximize research investments, reduce disparities

The new measures aim to standardize and improve results from NIH-funded asthma research, helping to reduce disparities in treatment and outcomes. The proposed outcomes categories include symptoms, exacerbations, biomarkers, lung function, quality of life, and healthcare utilization.

SourceThe Merck Childhood Asthma Network, Inc.·JournalJournal of Allergy and Clinical Immunology·DateMar 2, 2012

AGU: Gasoline worse than diesel when it comes to some types of air pollution

A new study by scientists from CIRES and NOAA found that gasoline vehicles produce more secondary organic aerosols (SOA) than diesel vehicles in urban environments, contributing 80% or more to SOA concentrations. This finding suggests a decrease in gasoline emissions could significantly reduce SOA concentrations on a global scale.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateMar 2, 2012

R-loops break down gene silencing

Researchers at UC Davis found that R-loops prevent methylation at CG island promoters, which are essential for 60% of human genes. This breakthrough could lead to treatments for autoimmune diseases by reversing cytosine methylation.

SourceUniversity of California - Davis·JournalMolecular Cell·DateMar 2, 2012
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.

Video publication goes viral

A scientific method paper and video demonstrating a laboratory technique used to study mitochondrial dysfunctions in Alzheimer's disease and other disorders has gone viral. The technique, which measures the electrical potential across the inner mitochondrial membrane, has been accessed by more than 14,000 scientists worldwide.

SourceLoyola Medicine·JournalJournal of Visualized Experiments·DateMar 2, 2012

Oceans acidifying faster today than in past 300 million years

The research reveals that ocean acidification is happening at a faster rate than in the past 300 million years, with severe effects on marine organisms. Acidification harms shell-building species like corals and molluscs, as well as phytoplankton species, which are essential to the marine trophic network.

SourceUniversitat Autonoma de Barcelona·JournalScience·DateMar 2, 2012
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.

Ozone treated water v. lethal microbial material

A University of Alberta research team discovered that ozone-treated water can eradicate infectious proteins from cattle brain matter, providing a potential solution for decontaminating wastewater and sterilizing neurosurgical equipment. This breakthrough technique offers improved prion removal methods in meat processing plants and surg...

SourceUniversity of Alberta·JournalApplied and Environmental Microbiology·DateMar 2, 2012