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Science News for February 6, 2014


Cobalt intoxication diagnosed with the help of Dr. House

A patient's symptoms were linked to cobalt poisoning after a doctor used a TV show as a teaching tool to diagnose a rare disease. The patient had undergone a metal hip replacement, leading to severe heart failure and other symptoms that were eventually resolved with a new ceramic prosthesis.

SourceThe Lancet_DELETED·JournalThe Lancet·DateFeb 6, 2014

Why do young people fail to thrive?

A new study from IIASA reveals that young adult failure to thrive is linked to three major economic factors: a globalized labor force, soaring education levels, and increasing women's participation in the workforce. This leads to increased competition for jobs, particularly among those with little practical experience.

SourceInternational Institute for Applied Systems Analysis·JournalFinnish Yearbook of Population Research·DateFeb 6, 2014
Apple iPhone 17 Pro

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

Heart disease risk linked with spouses' social support

A new study reveals that couples who perceive their spousal support as ambivalent experience higher levels of coronary artery calcification, a significant predictor of heart disease. Researchers found that this ambivalence can lead to increased stress and undermine supportive interactions in the relationship.

SourceAssociation for Psychological Science·JournalPsychological Science·DateFeb 6, 2014

NASA study points to infrared-herring in apparent Amazon green-up

Scientists discovered that Amazon forest canopy greening during the dry season is not caused by biophysical changes, but rather by shadowing within the canopy and satellite observation artifacts. Correcting for this issue reveals a relatively constant greenness and canopy structure throughout the dry season.

SourceNASA/Goddard Space Flight Center·JournalNature·DateFeb 6, 2014

Critical factor (BRG1) identified for maintaining stem cell pluripotency

Researchers have identified the Brg1 protein as a key regulator of genes involved in maintaining embryonic stem cell pluripotency. This discovery has important implications for cellular reprogramming technologies, including methods to reprogram adult somatic cells.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalBioResearch Open Access·DateFeb 6, 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.

Theorists predict new forms of exotic insulating materials

Researchers at MIT predict the existence of six new types of topological insulators with unusual properties, which may provide insights into quantum physics. The team's analysis reveals that these materials' physical properties can be identified unambiguously in a lab.

SourceMassachusetts Institute of Technology·JournalScience·DateFeb 6, 2014

Cholesterol plays a critical role in hantavirus infection

Researchers identified four proteins involved in hantavirus entry into human host cells, all part of a protein complex regulating cholesterol production. Statins, commonly used to lower cholesterol, also showed promise in preventing viral infection.

SourcePLOS·JournalPLOS Pathogens·DateFeb 6, 2014

Intervention in first 1,000 days vital to fulfilling childhood potential

The special issue emphasizes the importance of combining intervention strategies focusing on both nutrition and early learning to support healthy development. The research reveals that 200 million children under five are not reaching their developmental potential due to poverty, nutritional deficiencies, and lack of responsive caregiving.

SourceWiley·JournalAnnals of the New York Academy of Sciences·DateFeb 6, 2014
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.

Efforts to lower health care-associated infections are having success, study finds

A federally sponsored plan has been successful in addressing the challenges of prioritizing and coordinating strategies to curb health care-acquired infections. The plan has also been associated with reductions in the rates of health care-associated infection rates, with progress made toward most targets where data are available.

SourceRAND Corporation·JournalMedical Care·DateFeb 6, 2014

CNIO researchers propose a new combined therapy to treat cancer

Researchers at CNIO propose a new combined therapy to treat cancer by combining etoposide with compounds that interfere with the cell cycle, increasing specificity and improving the therapeutic window. This approach aims to reduce toxicity and increase effectiveness in treating tumour cells.

SourceCentro Nacional de Investigaciones Oncológicas (CNIO)·JournalCell Reports·DateFeb 6, 2014

RNA sequencing of 750-year-old barley virus sheds new light on the Crusades

Researchers at the University of Warwick have detected and sequenced an ancient RNA genome of Barley Stripe Mosaic Virus in a 750-year-old barley grain found in modern-day Egypt. The study pushes back the origin of the virus to at least 2,000 years and reveals how intense farming during the Crusades contributed to its spread.

SourceUniversity of Warwick·JournalScientific Reports·DateFeb 6, 2014

Source of chlamydia reinfections may be GI tract

A recent review suggests that chlamydia can persist in the gut even after treatment, leading to potential reinfections. The source of these reinfections is likely the GI tract, which produces a strong immune response but cannot be cured.

SourceAmerican Society for Microbiology·JournalInfection and Immunity·DateFeb 6, 2014

DNA reveals new clues: Why did mammoths die out?

A new DNA study suggests that the drastic change in vegetation from protein-rich herbs to less nutritious grass may be behind the demise of mammoths and other large mammals. The study shows that the mammoth steppe was dominated by herbs during the last ice age, which may have led to a decline in animal populations.

SourceLund University·JournalNature·DateFeb 6, 2014
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.

How our immune system backfires and allows bacteria like Salmonella to grow

A study by researchers at the University of California, Irvine found that interleukin-22 enhances the growth of dangerous bacteria like Salmonella while curbing the growth of healthy gut bacteria. This unexpected finding suggests that a protective immune response can actually aid the growth of harmful pathogens.

SourceCell Press·JournalImmunity·DateFeb 6, 2014

Histones may hold the key to the generation of totipotent stem cells

Researchers from RIKEN in Japan have identified a duo of histone proteins, TH2A and TH2B, that dramatically enhance the generation of induced pluripotent stem cells (iPSCs). The study demonstrates that these proteins function as substitutes for two Yamanaka factors and increase iPSC cell generation by twentyfold and speed up the process.

SourceRIKEN·JournalCell Stem Cell·DateFeb 6, 2014

Toxin in seafood causes kidney damage in mice at levels considered safe for consumption

A study by American Society of Nephrology reveals domoic acid, a neurotoxin found in seafood, can harm kidneys even at levels considered safe for consumption. The toxin damages kidneys at concentrations 100 times lower than what causes neurological effects, raising concerns about potential kidney failure and dialysis.

SourceAmerican Society of Nephrology·JournalJournal of the American Society of Nephrology·DateFeb 6, 2014

Early treatment with AED reduces duration of febrile seizures

A new study published in Epilepsia found that early treatment with antiepileptic drugs (AEDs) significantly reduces the duration of febrile seizures. The research suggests that a standard Emergency Medical Services (EMS) treatment protocol is needed in the US to improve outcomes for children with prolonged seizures. A total of 199 pedi...

SourceWiley·JournalEpilepsia·DateFeb 6, 2014
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.

Fires in Northern Sumatra

Unusual dry spell in Northern Sumatra triggers use of slash and burn method to clear fields. Seven hot spots identified in oil palm plantations and forest concessions, fueling fears about the connection between fires and agricultural practices.

SourceNASA/Goddard Space Flight Center·DateFeb 6, 2014

Avian flu variant stalks Egypt

A new study tracks the spread of an H5N1 variant in Egypt using phylogeography, a technique that combines viral sequence data and geographical information. The study aims to enhance efforts by public health officials to identify viral outbreaks, limit their spread, and inform the public of risks.

SourceArizona State University·JournalBMC Genomics·DateFeb 6, 2014

Two sides of a safety switch

A team of researchers has found a link between chloracne and a molecular switch called Nrf2, which causes skin changes similar to those in dioxin victims. The study suggests that therapeutic targeting of Nrf2 may be problematic due to its role in detoxification.

SourceETH Zurich·JournalEMBO Molecular Medicine·DateFeb 6, 2014

ABO updates standards for measuring algae industry operations

The Algae Biomass Organization has published a new standard for measuring algae industry operations, establishing a common language for describing economic and environmental impact. The updated standards will help compare diverse algae technologies and their commercial production scale.

SourceScoville Public Relations·DateFeb 6, 2014
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.

First large-scale study of whole-genome testing helps identify best treatment for women with advanced breast cancer

A large-scale study of whole-genome testing has identified a unique treatment approach for women with advanced breast cancer, targeting genomic alterations in their tumors. The study found that around half of patients had targetable genomic alterations, and 39% had rare alterations, many of which no treatments currently exist.

SourceThe Lancet_DELETED·JournalThe Lancet Oncology·DateFeb 6, 2014

Nutritional supplement improves cognitive performance in older adults, study finds

A University of South Florida study found that a nutritional supplement containing blueberries and green tea improved cognitive processing speed in older adults without impairing memory. The supplement, NT-020, was tested on 105 healthy adults aged 65 to 85, with modest improvements seen after two months.

SourceUniversity of South Florida (USF Health)·JournalRejuvenation Research·DateFeb 6, 2014
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.

New insight into an emerging genome-editing tool

Berkeley researchers provide detailed picture of Cas9's three-dimensional shape, showing radical change in structure upon binding to guide RNA. This breakthrough enables rational design of new and improved versions of Cas9 enzymes for basic research and genetic engineering.

SourceDOE/Lawrence Berkeley National Laboratory·JournalScience·DateFeb 6, 2014

Loose coupling between calcium channels and sensors

Researchers at IST Austria found loose coupling between calcium channels and sensors in a specific synapse, challenging the view that it's a developmental phenomenon. This discovery has implications for synaptic plasticity and the function of neurotransmission.

SourceInstitute of Science and Technology Austria·JournalScience·DateFeb 6, 2014

Prickly protein

Researchers discovered a genetic mechanism controlling the production of a large spike-like protein on staph bacteria that prevents clumping and reduces disease-causing ability. The study suggests targeting clumping behavior for therapy, potentially reducing staph infections.

SourceUniversity of Iowa Health Care·JournalPLOS Pathogens·DateFeb 6, 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.

Toxin from brain cells triggers neuron loss in human ALS model

Researchers at Columbia University Irving Medical Center found a toxin released by star-shaped brain cells called astrocytes that kills nearby motor neurons, leading to neuron loss in human ALS models. The study suggests new potential for slowing down or stopping the destruction of motor neurons and improving drug targets.

SourceColumbia University Irving Medical Center·JournalNeuron·DateFeb 6, 2014

What's love got to do with it?

A groundbreaking study published by George Mason University and Indiana University found that nearly all (92.6 percent) gay and bisexual men reported being in love with their partner during a recent sexual event. The study also revealed that men who were in love with their partners experienced sex as more pleasurable.

SourceGeorge Mason University·JournalArchives of Sexual Behavior·DateFeb 6, 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.

Global regulator of mRNA editing found

Researchers identified a protein that broadly regulates mRNA editing, enabling the creation of multiple proteins from a limited number of genes. This discovery may help understand genetic mechanisms of diseases and identify new therapeutic targets.

SourceUniversity of California - San Diego·JournalCell Reports·DateFeb 6, 2014

Fires in Victoria, Australia, Feb. 6, 2014

Hot and dry conditions in Victoria sparked a rash of bushfires in the Snowy River National Park area, with fires spanning over 27,000 acres. Authorities are warning residents of another potential fire season this weekend.

SourceNASA/Goddard Space Flight Center·DateFeb 6, 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.

Unmanned aircraft: Countdown to mission possible

Researchers at Queensland University of Technology have developed a world-first onboard system that enables unmanned aircraft to detect other aircraft using vision while in flight. The system provided real-time warnings back to the ground control station, resulting in a successful collision avoidance manoeuvre. The technology has the p...

SourceQueensland University of Technology·DateFeb 6, 2014

A key facilitator of mRNA editing uncovered by IU researchers

A new study uncovers ADR-1 as a critical regulator of RNA editing, allowing genetic information diversity and affecting numerous human diseases. The protein's binding ability enhances mRNA editing, with decreased expression linked to neurological disorders and cancers.

SourceIndiana University·JournalCell Reports·DateFeb 6, 2014

Researchers blend orthopedics, engineering to better repair torn rotator cuffs

A team of researchers is working to improve the outcome of surgical repairs for large rotator cuff tears in older patients by studying the natural attachment of tendon to bone. They plan to use advanced imaging methods and mechanical testing to understand how the natural tendon-to-bone insertion works and what goes wrong in healing.

SourceWashington University in St. Louis·DateFeb 6, 2014

Molecular traffic jam makes water move faster through nanochannels

Researchers found that water molecules in carbon nanotubes don't flow continuously but instead move intermittently, resulting in surprisingly high flow rates. This phenomenon resolves a long-standing issue in fluid dynamics and has potential industrial applications for desalination and other uses.

SourceNorthwestern University·JournalPhysical Review Letters·DateFeb 6, 2014
Celestron NexStar 8SE Computerized Telescope

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

Link confirmed between salmon migration, magnetic field

Researchers at Oregon State University confirmed a correlation between ocean salmon's migration patterns and the Earth's magnetic field, revealing an innate navigation system. The study found that juvenile salmon can detect and respond to magnetic fields, using them to determine their location and direction.

SourceOregon State University·JournalCurrent Biology·DateFeb 6, 2014

Autism: Birth hormone may control the expression of the syndrome in animals

Researchers found that oxytocin, the birth hormone, naturally reduces chloride levels in neurons, controlling the expression of autistic syndrome. Administering a diuretic treatment before birth corrects abnormal chloride levels and restores brain activity to normal levels.

SourceINSERM (Institut national de la santé et de la recherche médicale)·JournalScience·DateFeb 6, 2014

Brain asymmetry improves processing of sensory information

Research in zebrafish reveals that loss of brain asymmetry can significantly impact sensory processing. The study found that reversed brain asymmetry resulted in functional changes to habenular neurons, while double-sided brains lacked responsiveness to certain stimuli.

SourceUniversity College London·JournalCurrent Biology·DateFeb 6, 2014

Quick test finds signs of diarrheal disease

Researchers have created a rapid, affordable diagnostic test for cryptosporidiosis using recombinase polymerase amplification (RPA) technique. The test can detect the presence of even one parasite in a sample, with high accuracy rates, and requires minimal equipment.

SourceRice University·JournalAnalytical Chemistry·DateFeb 6, 2014
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.

A look back and ahead at Greenland's changing climate

The Greenland Ice Sheet is experiencing rapid ice loss, driven by ocean warming and increased surface melting. This phenomenon can lead to fresh water input into the North Atlantic Ocean, potentially disrupting global climate circulation patterns.

SourceWoods Hole Oceanographic Institution·JournalNature·DateFeb 6, 2014

Gender influences symptoms of genetic disorder

A new study reveals that girls with NF1 are at greater risk of vision loss from brain tumors, while boys are more vulnerable to learning disabilities. The research identifies gender-linked differences in male mice that may help explain these findings.

SourceWashU Medicine·JournalAnnals of Neurology·DateFeb 6, 2014

A microchip for metastasis

MIT researchers create a microfluidic platform that mimics the spread of breast cancer cells into a bonelike environment. The study found that certain molecules, such as CXCL5 and CXCR2, may encourage cancer cell metastasis, potentially leading to new targets for cancer therapy.

SourceMassachusetts Institute of Technology·JournalBiomaterials·DateFeb 6, 2014

Scientists reprogram skin cells into insulin-producing pancreas cells

Researchers at Gladstone Institutes develop technique to replenish destroyed ß-cells in animal models, showing promise for a permanent solution to manage type 1 diabetes. The study uses regenerative medicine to transform skin cells into insulin-producing pancreas cells.

SourceGladstone Institutes·JournalCell Stem Cell·DateFeb 6, 2014
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.

Prostate development discovery could lead to new treatments

Scientists have discovered how the prostate gland develops for the first time, identifying 80 genes and a signalling pathway involved in its growth. The finding provides potential targets for new therapies to combat common prostate diseases, including prostate cancer.

SourceUniversity of York·JournalStem Cell Reports·DateFeb 6, 2014

Research on pigeon color reveals mutation hotspot

A University of Texas at Arlington team has uncovered that mutations and interactions among three genes create a wide variety of color variations in domestic pigeons. The study found two independent deletions near the Sox10 gene produce recessive red pigmentation, hinting at a slippery gene.

SourceUniversity of Texas at Arlington·JournalCurrent Biology·DateFeb 6, 2014

Stem cells to treat lung disease in preterm infants

Researchers found that intratracheal transplantation of human umbilical cord blood-derived mesenchymal stem cells can prevent or treat bronchopulmonary dysplasia (BPD) in very preterm infants. The treatment also showed a lower incidence of retinopathy of prematurity requiring surgery.

SourceElsevier Health Sciences·JournalThe Journal of Pediatrics·DateFeb 6, 2014

Research gives new insight into diet of large ancient mammals

A team of researchers used DNA testing to analyze preserved plant remains from the permafrost, finding that large ancient mammals roamed areas with abundant forbs. This discovery provides new insights into how these massive animals survived extreme cold conditions.

SourceUniversity of Southampton·JournalNature·DateFeb 6, 2014
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.

Powerful bacterial immune response defined by new study

A new study reveals a previously undefined immune pathway in humans that provides vital information for designing vaccines and medicines to combat bacterial infections. The research found that T-cells can respond defensively to bacterial attacks without specific antigens, leading to a maximal response and improved survival.

SourceUniversity of California - Davis·JournalImmunity·DateFeb 6, 2014

Nanoparticle pinpoints blood vessel plaques

Researchers at Case Western Reserve University have developed a multifunctional nanoparticle that enables MRI to pinpoint blood vessel plaques caused by atherosclerosis. The technology is a step toward creating a non-invasive method of identifying vulnerable plaques in time for treatment.

SourceCase Western Reserve University·JournalNano Letters·DateFeb 6, 2014

The 'entrance exam' that is key to a successful pregnancy

A study by University of Warwick researchers found that high-quality human embryos secrete a chemical signal, trypsin, which supports implantation. Low-quality embryos trigger an alarm response, leading to pregnancy loss or complications.

SourceUniversity of Warwick·JournalScientific Reports·DateFeb 6, 2014
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.

Heart health through gut health

A new study published in Nutrition Reviews found that certain probiotics can significantly reduce LDL-cholesterol and improve other coronary heart disease risk factors. L. reuteri NCIMB 30242 (Cardioviva) was found to be the most effective, with results similar to those of existing therapeutic lifestyle change dietary options.

SourceFoodMinds LLC·JournalNutrition Reviews·DateFeb 6, 2014

Birds of a different color

Researchers at the University of Utah identified three key genes controlling feather color in domestic rock pigeons, which also influence human skin pigmentation. The study found that variations in these genes result in diverse feather colors, with specific combinations explaining a significant amount of color variation across pigeon b...

SourceUniversity of Utah·JournalCurrent Biology·DateFeb 6, 2014

Scientific review points to supplement users engaging in a pattern of healthy habits

A new review published in Nutrition Journal found that dietary supplement users engage in various healthy habits, such as consuming healthier diets and exercising regularly. The study also showed that supplement users tend to make better food choices and incorporate supplements into their lifestyle as part of a broader focus on wellness.

SourceCouncil for Responsible Nutrition·JournalNutrition Journal·DateFeb 6, 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.

Columbia study finds hospitals don't follow infection prevention rules

A new study from Columbia University found that hospitals are not following evidence-based guidelines for preventing health care-associated infections. Despite decades of research, approximately one in 10 hospitals lack checklists to prevent certain infections, and these checklists are followed only half the time. The study's findings ...

SourceColumbia University Irving Medical Center·JournalAmerican Journal of Infection Control·DateFeb 6, 2014

UI researchers evaluate best weather forecasting models

UI researchers assessed global numerical weather prediction models' performance in predicting severe flooding in Boulder, Colo. in September 2013. The study found that while models generally performed well, there is room for improvement in capturing persistent rainfall and accurately forecasting flood events.

SourceUniversity of Iowa·JournalGeophysical Research Letters·DateFeb 6, 2014

Bundles of nerves and arteries provide wealth of new stem cell information

A University of Southern California study identifies a new population of mesenchymal stem cells in nerve and artery bundles that help maintain homeostasis. The discovery reveals that these stem cells are rich in the bundles, which contain nerves and blood vessels, and are regulated by the protein Shh.

SourceUniversity of Southern California·JournalCell Stem Cell·DateFeb 6, 2014

Scientists use 'voting' and 'penalties' to overcome errors in quantum optimization

A team of scientists from USC developed a strategy to link quantum bits together into voting blocks, significantly boosting accuracy when the D-Wave quantum processor is led astray by noise. This method results in at least a five-fold increase in probability of reaching the correct answer on large problems.

SourceUniversity of Southern California·JournalNature Communications·DateFeb 6, 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.

Pacific salmon inherit a magnetic sense of direction

Young hatchery salmon orient themselves according to the Earth's magnetic field, suggesting a kind of built-in GPS. They rely on subtle differences in magnetic intensity and inclination angle to discern their position.

SourceCell Press·JournalCurrent Biology·DateFeb 6, 2014

Want brand loyalty? Scare your customers

Consumers experience heightened emotional attachment to a brand while watching a scary movie on their own, a new UBC study reveals. The study, led by Lea Dunn, finds that fear stimulates people to report greater brand attachment.

SourceUniversity of British Columbia·JournalJournal of Consumer Research·DateFeb 6, 2014

Reduce the chloride to restore the switch

A new study shows that administering a drug to pregnant mice with models of autism prevents autistic behavior in their offspring. The researchers believe that abnormal chloride levels may cause the defective GABA switch associated with autism, and that these levels may be treatable beyond infancy.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateFeb 6, 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.

Acute kidney injury may be a risk factor for later heart problems

Patients who experience acute kidney injury following surgery have a higher risk of developing heart problems, including coronary events and mortality. The study found that properly treating AKI can help protect heart health.

SourceAmerican Society of Nephrology·JournalJournal of the American Society of Nephrology·DateFeb 6, 2014