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Science News Archive February 2012


Page 10 of 30

Rare fungus kills endangered rattlesnakes in southern Illinois

A rare fungus has been identified as the cause of mass deaths among eastern massasauga rattlesnakes in southern Illinois and similar cases in the northeast US. The fungus, Chrysosporium, is not normally seen in free-ranging animals but has been linked to disease in captive reptiles.

Noninvasive method accurately and efficiently detects risk of Down syndrome

Scientists developed a novel biochemical assay and algorithm to detect fetal chromosomal abnormalities in maternal blood, achieving high accuracy and efficiency compared to existing methods. The new approach has the potential to reduce unnecessary invasive testing and improve screening for Down syndrome and Edwards syndrome.

A mechanism to improve learning and memory

Researchers discover a small protein fragment that enhances synaptic plasticity, leading to improved learning and memory in rats. The study provides new insights into the molecular mechanisms of synaptic plasticity and its manipulation for cognitive enhancement.

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.

Influenza vaccination of pregnant women helps their babies

A randomized controlled trial found that vaccinating pregnant women against influenza increased mean birth weight and reduced small-for-gestational-age births. The study, conducted in Bangladesh, involved 340 healthy pregnant women who received either the influenza vaccine or a control vaccine.

Preventing and treating drug use with smartphones

The iHeal device detects physiological stressors associated with drug cravings, using sensors to measure physiological changes and body activity. The device delivers user-tailored behavioral interventions via smartphone software, aiming to prevent substance use and reduce health risk.

Pitt researchers coax gold into nanowires

Researchers at the University of Pittsburgh have created a self-assembly method to grow gold nanowires, which can be used to detect poisonous gases such as hydrogen sulfide in natural gas. The gold nanowires are highly conductive and can detect gas levels comparable to existing sensing techniques.

'Texting cow' technology boost for farmers

A smart cow collar closely monitors health and sends results back to farmers using mobile phone technology, allowing for alerts on cow distress and improving insemination processes. The technology could make huge savings for farmers and contribute to the financial future of farms.

Environmental pollutant linked with overweight

A recent study has found that mothers with high levels of the environmental pollutant PFOA during pregnancy have daughters who are three times more likely to be overweight at 20 years old. Elevated insulin and leptin levels were also observed in girls, while a weaker association was seen in sons.

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.

How text messaging can help control malaria

A study published in PLOS Medicine suggests that text messaging can improve malaria control in Africa by transmitting information from the periphery to health managers, as well as supporting patient management. The authors highlight six areas where text messaging interventions can have a significant impact.

Mathematics confirm the efficiency of horreos with slots

A mathematical model developed by researchers at the University of Vigo has confirmed that hórreos with slotted floors are more efficient in regulating temperature and ventilation. This traditional Galician dry-store structure was found to better preserve corn stored inside due to its ability to ventilate and regulate temperature.

Plant toughness: Key to cracking biofuels?

Scientists have discovered a way to reduce cellulose crystallinity, a key stumbling block in biofuels development. The study found that certain mutations in genes encode cellulose synthase proteins can produce cellulose with lower crystallinity, making it easier to digest.

Apple iPhone 17 Pro

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

New discovery in fight against Huntington's disease

A significant scientific discovery has been made in the fight against Huntington's disease, identifying specific enzymes called HDACs as positive agents for the mutation that underlies the disorder. Blocking these enzymes with experimental drugs greatly reduces the risk of further mutation.

You can't do the math without the words

A recent study published in Cognitive Science shows that a few languages, like the Piraha, lack number words, making it difficult for speakers to perform common quantitative tasks. The study highlights the importance of language in acquiring knowledge, perception, and reasoning.

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.

Telomere failure, telomerase activation drive prostate cancer progression

A study employing mouse models and genomic analysis of human tumors identified the Smad4 gene as a driver in bone metastasis, while 14 other genes were found to be associated with human prostate cancer prognosis. Telomerase activation confers new strengths on tumors, enabling them to progress and acquire deadly characteristics.

The origin of photosynthesis revealed

A team led by Rutgers University professor Debashish Bhattacharya has sequenced the genome of Cyanophora paradoxa, a one-celled alga that shed light on the evolution of photosynthesis. The study reveals that all plastids trace their origin to a single primary endosymbiosis, approximately 1.6 billion years ago.

Embargoed news for Annals of Internal Medicine

Annual deaths from hepatitis B and C now exceed those from HIV, concentrated among middle-aged persons. Researchers found that birth-cohort testing and treatment for HCV is cost-effective, saving thousands of lives each year.

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.

High definition polarization vision discovered in cuttlefish

Cuttlefish have been found to possess the most acute polarization vision yet discovered in any animal, with sensitivity to differences as small as one degree. This remarkable ability allows them to perceive and communicate through polarized light, potentially revolutionizing our understanding of underwater camouflage and communication.

Trapped in a ring

Researchers at EMBL and IGBMC discovered a ring-like structure in the Elongator protein complex, which holds tRNA in place while introducing chemical modifications to DNA. This ensures accurate protein production. The findings also suggest that the complex employs tools and tricks to perform its tasks inside cells.

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.

Fused genes tackle deadly Pierce's disease in grapevines

Researchers engineered a hybrid gene that recognizes and destroys Xylella fastidiosa bacteria, reducing leaf scorching and xylem clogging in grapevines. This breakthrough could lead to significant resistance against Pierce's disease, which has already destroyed thousands of acres of California vineyards.

Researchers find new compound to fight strep throat infection

Researchers discovered a promising alternative to common antibiotics for treating group A Streptococcus (GAS) bacteria infections. The new compounds significantly reduce the severity of GAS infections in mice, offering a potential therapeutic solution with reduced risk of antibiotic resistance.

Glacial carbon may hold record of environmental change

A study published in Nature Geoscience reveals that glaciers provide a significant source of modern organic carbon to downstream ecosystems, indicating the widespread influence of human activities on pristine environments. The findings suggest that glacier ecosystems are highly sensitive to climate warming and industrial pollution.

Maize hybrid looks promising for biofuel

Scientists at the University of Illinois have identified a new maize hybrid that produces ethanol from biomass, potentially offering a more sustainable feedstock for biofuel production. The hybrid grows larger and accumulates more stalk sugars than conventional grain hybrids, increasing ethanol output.

UK takes the lead in redefining the kilogram

New research by National Physical Laboratory produces technology for accurate measurements of Planck's constant, a fundamental constant that relates frequency to energy. The technique enables the kilogram to be redefined in terms of this constant, providing a universal standard and greater long-term certainty for scientists.

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.

Mother's migraine may increase baby's risk of colic

A recent study suggests that mothers who experience migraines may be more likely to have infants with colic. The research, presented at the American Academy of Neurology's annual meeting, found that babies whose mothers had a history of migraine were two-and-a-half times more likely to have colic than those without.

Carbon storage project combines innovation and outreach

The Illinois Basin – Decatur Project injects 1 million metric tons of carbon dioxide into sandstone 7,000 feet beneath Decatur, Ill., using innovative science and engaging outreach. The project aims to evaluate the potential of carbon capture and storage techniques and assure public safety.

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.

Home visits for asthma: A win for both patients and payers

A community-based asthma care model, Community Asthma Initiative (CAI), demonstrates reduced hospitalization and emergency department visits for asthma, improving patient outcomes. The program yielded significant cost savings of $1.46 per dollar spent through reduced hospital utilization.

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.

Extending smoking ban outside bars could help curb 'social smoking'

A small qualitative study suggests extending the smoking ban outside bars could help curb 'social smoking' by removing cues that stimulate this behavior. Social smokers often have conflicted identities and manage their smoking through limiting where and when they smoke, rationalizing their behavior with drinking.

Scientists identify link between size of brain region and conformity

Scientists have discovered a specific brain region associated with social conformity, which influences individuals' tendency to align their opinions with those of others. The lateral orbitofrontal cortex plays a key role in recognizing cues of social conflict, prompting subjects to update their opinions accordingly.

Global permafrost zones in high-resolution images on Google Earth

Researchers have created high-resolution permafrost maps using air temperature and elevation data. These maps estimate 22 million square kilometers of permafrost, covering about one-sixth of the world's exposed land surface. The maps also reveal an index indicating the probability of permafrost in different areas.

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.

Weight, height, and experience key to Rugby World Cup success

Research reveals that Rugby teams with taller backs, heavier forwards, and greater collective experience tend to perform better at the World Cup. The study analyzed data from 1987-2007 and found a significant correlation between team performance and these factors.

Quality of life of obese dogs improves when they lose weight

Overweight dogs that lose weight experience significant improvements in vitality and emotional disturbance, according to a recent study published in The Veterinary Journal. The research, conducted by the University of Liverpool, suggests that weight loss can play a crucial role in maintaining a dog's overall quality of life.

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.

Babies' colic linked to mothers' migraines

A new study by neurologists at UCSF reveals that mothers who suffer from migraine headaches are more than twice as likely to have babies with colic. The research suggests a possible link between colic and childhood periodic syndromes, which may be precursors to migraine headaches later in life.

Fluke 87V Industrial Digital Multimeter

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

2012 Clay Research Fellows

Ivan Corwin, a recent Ph.D. from NYU, and Jack Thorne, a Harvard University PhD candidate, were selected for their research achievements in probability, algebraic number theory, and representation theory. They will receive funding for one to five years to support their mathematical research.

In-house pharmacists can help GPs reduce prescribing errors by up to 50 percent

A study led by University of Nottingham found that pharmacist-led intervention schemes can significantly reduce prescribing errors in general practices. The scheme involves a pharmacist working with GPs to identify and correct medication errors, resulting in reductions of up to 50 percent in errors related to specific medications.

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.

Taking tips from Vikings can help us adapt to global change

Research suggests Viking societies fared best when managing long-term sustainability, adapting trade links, and acquiring diverse food sources. They offer valuable insights into how to respond to climate change, economic turmoil, and cultural upheaval.

Smart grids could outsmart criminals

Smart grids can help reduce electricity waste and fight theft by using advanced technology. The Intelligent Microgrid project aims to create a more efficient grid that can adapt to changing energy demands and reduce the risk of theft, resulting in cost savings for consumers.

Yosemite's alpine chipmunks take genetic hit from climate change

A new study reveals a significant decline in the genetic diversity of alpine chipmunks in Yosemite National Park due to climate change. The species' geographic range has shifted to higher elevations over the past 90 years, resulting in fragmented and genetically impoverished populations.