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Science News for May 9, 2013


Advance in tuberous sclerosis brain science

A new study in mice reveals that the timing of gene mutation during thalamus development significantly affects TSC-like behavioral symptoms and disease severity. The research highlights the importance of the thalamus in brain function and suggests a potential target for future treatments.

SourceBrown University·JournalNeuron·DateMay 9, 2013

Your immune system: On surveillance in the war against cancer

Researchers identified immune gene signatures that predict cancer recurrence in certain breast cancer types, such as basal-like or triple negative disease. These signatures can help doctors make informed treatment decisions and may lead to valuable new strategies in personalized medicine.

SourceAtrium Health Wake Forest Baptist·JournalGenome Biology·DateMay 9, 2013
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.

No-win situation for agricultural expansion in the Amazon

A new study predicts that large-scale Amazon deforestation will reduce the region's natural carbon sink and inflict climate feedbacks, decreasing pasture and soybean productivity. By 2050, biomass on the ground could decline by up to 65% due to forest removal and resulting climate change.

SourceWoodwell Climate Research Center·JournalEnvironmental Research Letters·DateMay 9, 2013

Scientists develop device for portable, ultra-precise clocks and quantum sensors

Researchers at the University of Strathclyde and Imperial College London have developed a portable device for producing ultracold atoms for quantum technology. The device uses micro-fabricated diffraction gratings to cool and trap large numbers of atoms, enabling accurate measurements in various fields.

SourceUniversity of Strathclyde·JournalNature Nanotechnology·DateMay 9, 2013

Nobody likes a 'fat-talker,' Notre Dame study shows

College-age women rate overweight peers with positive body talk as most likeable, while those engaging in 'fat talk' are deemed less likable. The study highlights the negative impact of self-abasing remarks on social perception and potential eating disorder risks.

SourceUniversity of Notre Dame·DateMay 9, 2013

Study finds brain system for emotional self-control

A new study from UCL Institute of Cognitive Neuroscience and Ghent University found that different brain areas are activated when individuals choose to suppress an emotion compared to when they are instructed to do so. This discovery could have implications for therapies targeting mental health conditions.

SourceUniversity College London·JournalBrain Structure and Function·DateMay 9, 2013
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.

Social connections drive the 'upward spiral' of positive emotions and health

Researchers found that people with higher vagal tone experience more positive emotions, which in turn increase social connections. This leads to improved physical health through the upward spiral effect. The study suggests that positive emotions are a crucial psychological nutrient for building health.

SourceAssociation for Psychological Science·JournalPsychological Science·DateMay 9, 2013

The Liverpool Care Pathway -- improvement in quality of end-of-life care

This study assesses the effectiveness of the Liverpool Care Pathway on quality of end-of-life care for adult cancer patients. The LCP provides a structured programme to improve care dimensions, resulting in clinically significant improvements in respect, kindness, dignity, family emotional support, self-efficacy, and coordination of care.

SourceSAGE·JournalPalliative Medicine·DateMay 9, 2013

Where on Earth did the moon's water come from?

Scientists found that the Moon's water originated from the Earth, suggesting the proto-Earth was already wet at the time of the Giant Impact. The study used hydrogen isotopes to determine the origin of water in the Moon and matched it with carbonaceous chondrites on Earth.

SourceCarnegie Institution for Science·JournalScience·DateMay 9, 2013

Scientists show how nerve wiring self-destructs

Researchers at WashU Medicine found a gene called Phr1 that governs the self-destruction of injured axons. Removing this gene can prevent axonal degeneration in adult mice, offering a potential target for new drugs to maintain nerve function.

SourceWashU Medicine·JournalCell Reports·DateMay 9, 2013
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.

Operating without interrupting warfarin reduces risk of bleeding after cardiac device surgery

A new study found that patients who underwent cardiac device surgery without interrupting warfarin treatment had a 80% lower risk of developing significant hematomas compared to those bridged with heparin. This approach also reduced prolonged hospital stays, re-interruption of anticoagulation, and re-operations.

SourceUniversity of Ottawa Heart Institute·JournalNew England Journal of Medicine·DateMay 9, 2013

New technique to improve quality control of lithium-ion batteries

Researchers at Purdue University have developed a new technique to detect flaws in lithium-ion batteries during manufacturing, including uneven coating and thickness variations. The 'flash thermography measurement' method uses heat and thermal imaging to quickly identify defects, which can impact battery life and reliability.

SourcePurdue University·DateMay 9, 2013
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.

New advance in biofuel production

Joint BioEnergy Institute researchers have made a breakthrough in biofuel production by developing an enzyme-free ionic liquid pre-treatment method. This technique reduces the cost of producing advanced biofuels and decreases water consumption, making it a more sustainable alternative to traditional methods.

SourceDOE/Lawrence Berkeley National Laboratory·JournalBiotechnology for Biofuels·DateMay 9, 2013

Turning old hearts

Harvard Stem Cell Institute researchers have identified a protein, GDF-11, that reverses the effects of aging on mouse hearts. The protein was found to reduce heart size and thickness, similar to healthy younger mice.

SourceHarvard University·JournalCell·DateMay 9, 2013

Parental addictions linked to adult children's depression

A new study by University of Toronto researchers found that parents with addiction issues are more likely to have depressed adult children. The study analyzed data from 6,268 adults and found a significant association between parental addictions and increased odds of depression in adulthood.

SourceUniversity of Toronto·JournalPsychiatry Research·DateMay 9, 2013
Apple iPhone 17 Pro

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

Obese students' childbearing risk varies with high school obesity rates

A study found that high school obesity rates are associated with increased childbearing risk in obese females, which may be due to reduced stigma and more partnership opportunities. The researchers suggest that health officials should consider the impact of obesity prevalence on pregnancy risks in schools.

SourcePenn State·JournalSocial Science & Medicine·DateMay 9, 2013

Exit discovered in cellular garbage truck

A team of researchers led by Professor Jean Gruenberg has identified an exit in the cellular garbage truck, a structure responsible for sorting molecules and ensuring inter-cell digestion and regulation. The study reveals how Alix protein uses this route to avoid cellular digestion and how vesicular stomatitis uses it to infect cells.

SourceUniversité de Genève·JournalDevelopmental Cell·DateMay 9, 2013

How state and local governments can address the obesity epidemic

Researchers at Johns Hopkins Bloomberg School of Public Health recommend menu labeling regulations for smaller chain restaurants, including listing lowest calorie food items first. This approach has been shown to reduce calorie consumption and lead to healthier choices.

SourceJohns Hopkins Bloomberg School of Public Health·JournalNew England Journal of Medicine·DateMay 9, 2013

Patients should have right to control genomic health information

Bioethicists argue that patients should not be forced to receive genomic information about future health risks without their consent. The ACMG recommendations on reporting incidental findings in clinical genome sequencing are seen as problematic due to concerns over patient autonomy and cost implications.

SourceCell Press·JournalTrends in Biotechnology·DateMay 9, 2013
Meta Quest 3 512GB

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

Water on moon, Earth have a common source

Scientists discover that water on the Moon's mantle originated from primitive meteorites, not comets, raising questions about the formation of the Moon. The findings also suggest that most of the water on Earth comes from the same source.

SourceBrown University·JournalScience·DateMay 9, 2013

Power plants: UGA researchers explore how to harvest electricity directly from plants

UGA researchers have developed a way to interrupt photosynthesis and capture electrons from plant cells, resulting in electrical current levels two orders of magnitude larger than previously reported systems. This technology could lead to more efficient solar panels and even competitive alternatives like plant-based systems.

SourceUniversity of Georgia·JournalEnergy & Environmental Science·DateMay 9, 2013

Scientists demonstrate pear shaped atomic nuclei

Researchers at the University of Liverpool have observed pear-shaped atomic nuclei, challenging current understanding and informing experimental searches for electric dipole moments. The discovery aids in refining nuclear theories and directs atomic EDM search programs.

SourceUniversity of Liverpool·JournalNature·DateMay 9, 2013

Early infant growth rate linked to composition of gut microbiota

A study published in PLOS Computational Biology found a link between the composition of an infant's gut microbiota and their growth rate. The researchers identified specific bacterial groups associated with expected or reduced growth rates, shedding light on the potential impact of early life gut microbiota on infant development.

SourcePLOS·JournalPLOS Computational Biology·DateMay 9, 2013

Discovery pinpoints cause of 2 types of leukemia

Researchers at Oregon Health & Science University have isolated a molecular mutation causing two rare forms of leukemia. The study suggests that patients with these conditions could be helped by existing FDA-approved drugs, paving the way for potential treatment breakthroughs.

SourceOregon Health & Science University·JournalNew England Journal of Medicine·DateMay 9, 2013
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.

Loss of eastern hemlock will affect forest water use

A new study by US Forest Service scientists finds that eastern hemlock decline due to invasive insect infestation will impact forest transpiration and alter seasonal stream flow patterns. The replacement of hemlock with species like rhododendron or sweet birch may lead to reduced winter stream discharge and increased summer stream flow.

SourceUSDA Forest Service ‑ Southern Research Station·JournalEcological Applications·DateMay 9, 2013

NASA's Hubble Space Telescope finds dead stars 'polluted with planet debris'

Researchers have found evidence of building blocks for Earth-sized planets in the atmospheres of two burned-out stars called white dwarfs. The silicon and low levels of carbon in these dead stars suggest that asteroid-like debris is falling onto them, potentially creating rocky planet assembly around stars.

SourceNASA/Goddard Space Flight Center·JournalMonthly Notices of the Royal Astronomical Society·DateMay 9, 2013

Scripps Research Institute scientists find key to gene-silencing activity

Researchers at Scripps Research Institute discovered how to control natural gene silencing processes, leading to a powerful new class of drugs against viral infections, cancers and diseases. The study found that guide RNAs can be designed to destabilize or stabilize the miRNA-Argonaute complex.

SourceScripps Research Institute·JournalMolecular Cell·DateMay 9, 2013
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.

Mapping the embryonic epigenome

A large research team elucidated how precise chemical modifications across the genome turn genes on and off during early human development. The study found that master genes governing development are silenced by histone methylation, while genes orchestrating cellular differentiation are primarily silenced by DNA methylation.

SourceLudwig Institute for Cancer Research·JournalCell·DateMay 9, 2013

Air pollution increases risk of insulin resistance in children

A new study published in Diabetologia found that growing up in areas with high air pollution increases the risk of insulin resistance in children. The research used data from two prospective German birth cohort studies and found a significant association between air pollution exposure and increased levels of insulin resistance.

SourceDiabetologia·JournalDiabetologia·DateMay 9, 2013

Researchers discover dynamic behavior of progenitor cells in brain

Neuroscientists at Johns Hopkins discovered that progenitor cells in the adult brain are highly dynamic, transforming into cells that insulate nerve fibers and help form scars. These cells communicate with each other to maintain a regular distribution throughout the brain and spinal cord.

SourceJohns Hopkins Medicine·JournalNature Neuroscience·DateMay 9, 2013
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.

Bacterial infection in mosquitoes renders them immune to malaria parasites

Researchers have successfully infected mosquitoes with the Wolbachia bacterium, rendering them immune to malaria parasites. The scientists maintained a stable infection in Anopheles stephensi mosquitoes for 34 generations, and all infected female mosquitoes became infected within eight generations when mated with uninfected males.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalScience·DateMay 9, 2013

Women altering menstruation cycles in large numbers, UO study shows

A University of Oregon study found that 17% of female students alter their menstrual cycle for convenience or personal preference. Women who prefer a monthly cycle are less likely to modify their bleeding schedule, suggesting healthcare providers can educate them on suitable options.

SourceUniversity of Oregon·JournalContraception·DateMay 9, 2013
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.

Positive social support at work shown to reduce risk of diabetes

A 3.5-year-long study found that employees with high social support at work have a 22% lower chance of developing type 2 diabetes, while those with low social support are 18% more likely to develop the disease. The study highlights the importance of finding the right balance in terms of workload and providing necessary social support.

SourceAmerican Friends of Tel Aviv University·JournalJournal of Occupational Health Psychology·DateMay 9, 2013

Study finds link between sexual harassment and 'purging' -- in men

A study by Michigan State University researchers found a significant link between high levels of sexual harassment and purging behaviors in men. Men who experience severe harassment are more likely to engage in compensatory behaviors such as inducing vomiting and taking laxatives.

SourceMichigan State University·JournalBody Image·DateMay 9, 2013

No holes in Swiss online networking theory

Researchers from MIT found that individuals with strong connections to successful people in their online networks are more likely to succeed. Affiliation with prominent academic institutions like ETH Zurich also plays a significant role in predicting success.

SourceInderscience Publishers·JournalInternational Journal of Organisational Design and Engineering·DateMay 9, 2013
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.

Study finds that bacteria organize according to 'rich-get-richer' principle

Researchers found that bacteria form micro-colonies in a pattern similar to economic systems, where a small number of lucky cells have access to resources. This process enables biofilms to develop, making infections potentially deadly. The study may lead to new treatment options using incentives and communication.

SourceUniversity of California - Los Angeles·JournalNature·DateMay 9, 2013

Biomaterial shows promise for Type 1 diabetes treatment

Researchers developed a biomaterial that successfully engrafted insulin-producing cells into diabetic mice, reversing symptoms in just 10 days. The material promotes blood vessel formation and allows cells to survive and function within the body.

SourceGeorgia Institute of Technology·JournalBiomaterials·DateMay 9, 2013

Using bacteria to stop malaria

A study at Michigan State University demonstrates that using a strain of the bacteria Wolbachia can interrupt the transmission of malaria via mosquitoes. This approach could provide an important tool in fighting the disease, particularly in areas where poverty and lack of resources are prevalent.

SourceMichigan State University·JournalScience·DateMay 9, 2013

Research finds identifies social needs of young people with cancer

Researchers found that adolescents and young adults with cancer are at higher risk for social isolation due to lack of understanding from friends and family. The study suggests developing targeted support programs to address these social information needs, including online connections and communication tools.

SourceLouisiana State University Health Sciences Center·JournalJournal of Adolescent and Young Adult Oncology·DateMay 9, 2013
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.

Could eating peppers prevent Parkinson's?

Research suggests that eating foods containing edible Solanaceae, such as peppers and tomatoes, may reduce risk of developing Parkinson's. The study found a strong association between increased consumption of these foods and decreased risk of Parkinson's, with peppers displaying the strongest association.

SourceWiley·JournalAnnals of Neurology·DateMay 9, 2013

Mosquito survey identifies reservoir of disease

A large-scale study of mosquitoes in Kenya found a diverse range of arboviruses, including West Nile, Ndumu, and Ngari viruses. Over 450,000 mosquitoes were screened, revealing previously unknown viruses with similarities to the Chaoyang virus in China.

SourceBMC (BioMed Central)·JournalVirology Journal·DateMay 9, 2013

Methylphenidate 'normalizes' activation in key brain areas in kids with ADHD

Functional MRI studies show that methylphenidate alters brain activity patterns in areas like frontal lobes and basal ganglia in young patients with ADHD. The medication partially normalizes brain function in these regions, suggesting potential therapeutic benefits for ADHD symptoms.

SourceWolters Kluwer Health·JournalHarvard Review of Psychiatry·DateMay 9, 2013

Genes define the interaction of social amoeba and bacteria

Researchers identified genetic controls that enable social amoebas to differentiate between gram-negative and gram-positive bacteria. The study found nearly 800 genes activated when exposed to gram-negative bacteria, highlighting a key role for a specific gene in degrading bacterial cell walls.

SourceBaylor College of Medicine·JournalCurrent Biology·DateMay 9, 2013
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.

Dust in the clouds

An interdisciplinary team from MIT identified cirrus clouds' major seeds as mineral dust and metallic aerosols. The study found that these particles freeze into ice crystals, influencing global climate patterns.

SourceMassachusetts Institute of Technology·JournalScience·DateMay 9, 2013

Flawed diamonds promise sensory perfection

Researchers at Berkeley Lab have improved the performance of nanoscale magnetic field sensors using diamond defects, enabling clocks accurate to within a few quadrillionths of a second. The discovery may also enable rotational sensors quicker and more tolerant of extreme temperatures than current gyroscopes.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature Communications·DateMay 9, 2013

Unleashing the watchdog protein

McGill University researchers have discovered the three-dimensional structure of the Parkin protein, which protects neurons from cell death due to damaged mitochondria. The study's findings suggest that designing mutations in Parkin could provide better protection for nerve cells and potentially slow disease progression.

SourceMcGill University·JournalScience·DateMay 9, 2013

Doctor's choice of words may influence family's decision to permit CPR in critically ill

A study by University of Pittsburgh researchers found that physicians' word choices significantly impact families' decisions about end-of-life care, particularly the use of cardiopulmonary resuscitation (CPR). The study suggests a change in terminology from 'DNR' to 'allow natural death' can lead to a 10% decrease in CPR choice.

SourceUniversity of Pittsburgh Schools of the Health Sciences·JournalCritical Care Medicine·DateMay 9, 2013
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.

Why we love it or hate it: The 3 E's

A USC Marshall study found that brands appeal to consumers' aesthetic, functional, and spiritual needs to build attachment. The three E's - enticement, enablement, and enrichment - determine the distance between customers and a brand.

SourceUSC Marshall School of Business·JournalJournal of Consumer Psychology·DateMay 9, 2013

Scientists define a new mechanism leading to tumor hypoxia

Scientists from the University of Pennsylvania define a novel mechanism of tumor hypoxia induced by the longitudinal gradient of residual oxygen along tumor vessels as they transverse the tumor. The researchers found large regions of moderate hypoxia that were not easily explained by existing concepts, suggesting a new scale for unders...

SourceDe Gruyter·JournalTumor Microenvironment and Therapy·DateMay 9, 2013

The Lancet Series on bipolar disorder

The Lancet Series on bipolar disorder offers a comprehensive overview of the condition, including its genetic basis, diagnostic challenges, and treatment limitations. The series highlights the need for more accurate diagnosis and personalized treatments, with neuroimaging research potentially transforming bipolar diagnosis.

SourceThe Lancet_DELETED·JournalThe Lancet·DateMay 9, 2013
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.

Elevated cadmium levels linked to disease

A recent study by Johns Hopkins scientists reveals an association between elevated cadmium levels and increased risk of liver disease in men. Higher levels of cadmium in urine were found to be nearly 3.5 times more likely to lead to liver-related deaths compared to lower levels.

SourceJohns Hopkins Medicine·JournalJournal of Gastrointestinal Surgery·DateMay 9, 2013

Hubble finds dead stars 'polluted' with planetary debris

Astronomers have found signs of rocky material in the atmospheres of two dead stars, suggesting that terrestrial planets may still exist. The debris detected around these white dwarfs is thought to be the remains of asteroids that were shredded by the star's gravity.

SourceESA/Hubble Information Centre·JournalMonthly Notices of the Royal Astronomical Society·DateMay 9, 2013

Researchers identifies gene associated with eczema in dogs

A novel gene associated with canine atopic dermatitis has been identified by researchers. The gene encodes a protein called plakophilin 2, which is crucial for the formation and proper functioning of the skin structure. This finding opens new possibilities in understanding the disease mechanism leading to atopic dermatitis.

SourceUppsala University·JournalPLOS Genetics·DateMay 9, 2013
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.

Research reveals cancer-suppressing protein 'multitasks'

Researchers at Walter and Eliza Hall Institute discover that p53 protein can prevent cancer formation even without regulating cell death or division after DNA damage. The study sheds new light on the complex functions of p53, which was previously believed to have a straightforward role in preventing cancer.

SourceWalter and Eliza Hall Institute·JournalCell Reports·DateMay 9, 2013

Heady mathematics

University of California, Berkeley researchers James A. Sethian and Robert I. Saye describe the mathematical evolution and disappearance of foamy bubbles, a feat that could help model industrial processes and solid foam formation. They developed scale-separated equations to treat different aspects of foams with distinct sets of equations.

SourceUniversity of California - Berkeley·JournalScience·DateMay 9, 2013

Experience leads to the growth of new brain cells

A new study found that individual experiences and behaviors contribute to differences in brain structure, even among genetically identical mice. The research suggests that this process is linked to the generation of new neurons in the hippocampus, a region responsible for learning and memory.

SourceHelmholtz Association·JournalScience·DateMay 9, 2013

Geologists study mystery of 'eternal flames'

Geologists at Indiana University studied the 'Eternal Flame' in Erie County, N.Y., which may feature high concentrations of ethane and propane. The researchers identified natural gas seeps in the region, suggesting they could contribute to atmospheric concentrations of greenhouse gases.

SourceIndiana University·JournalMarine and Petroleum Geology·DateMay 9, 2013

Water on moon, Earth came from same primitive meteorites

Researchers found that water on the moon and Earth came from small meteorites called carbonaceous chondrites in the first 100 million years after the solar system formed. The ratio of deuterium to hydrogen in the moon's water matches that found in chondrites, suggesting a common source.

SourceCase Western Reserve University·JournalScience·DateMay 9, 2013
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.

No-win situation for agricultural expansion in the Amazon

A new study finds that agricultural expansion in the Amazon will reduce the region's natural carbon sink and inflict climate feedbacks, leading to decreased productivity of pasture and soybeans. By 2050, precipitation decrease caused by deforestation could reduce pasture productivity by up to 30% and soybean yield by up to 28%.

SourceIOP Publishing·JournalEnvironmental Research Letters·DateMay 9, 2013

NIH scientists create new tool for identifying powerful HIV antibodies

The new tool uses neutralization fingerprinting to identify specific types of HIV antibodies present in a blood sample. This approach is particularly useful when other methods are not feasible and can significantly reduce the time required for analysis.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalScience·DateMay 9, 2013