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Science News Archive 2013


Page 201 of 352

PET/MR effective for imaging recurrent prostate cancer

A new hybrid molecular imaging system combines positron emission tomography and magnetic resonance to detect recurrent prostate cancer. The study reveals that PET/MR finds more areas of metastases than PET/CT, making it a viable alternative for restaging patients with metastatic prostate cancer.

2-D electronics take a step forward

Researchers at Rice University and Oak Ridge National Laboratory have advanced on the goal of two-dimensional electronics by controlling the growth of uniform atomic layers of molybdenum disulfide. The material is a semiconductor, one of three needed to make functioning 2-D electronic components.

Fluke 87V Industrial Digital Multimeter

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

Testing artificial photosynthesis

Researchers have developed a fully integrated microfluidic test-bed to evaluate and optimize solar-driven electrochemical energy conversion systems. The system has been used to study schemes for photovoltaic electrolysis of water and can be adapted to study artificial photosynthesis and fuel cell technologies.

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.

DNA-altering enzyme is essential for blood cell development

The study reveals HDAC3 plays a key role in regulating gene expression, chromatin structure, and genome stability. Disruption of HDAC3 expression leads to impaired hematopoiesis, highlighting its importance in stem cell functions and bone marrow failure syndromes.

How Archaea might find their food

A German-American research team identified a sensor protein called MsmS in the microorganism Methanosarcina acetivorans. MsmS may serve as a 'food sensor' to detect energy sources, similar to bacteria but with potential differences in signal transduction systems.

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.

Catching individual molecules in a million with optical antennas inside nano-boxes

Researchers design and fabricate a tiny optical device called an 'antenna-in-box' that can detect and sense individual biomolecules at concentrations similar to those found in the cellular context. The device allows for enhanced single-molecule analysis and has potential applications in early disease diagnosis and molecular visualization.

Hairpin turn: Micro-RNA plays role in wood formation

Scientists at NC State University have discovered the first example of a micro-RNA controlling lignin biosynthesis, which gives wood its strength. The research found that reducing lignin content by over 20% can increase the efficiency of paper and biofuels production.

Dual agent scan differentiates diabetic foot disorders

Researchers developed a new dual agent scan that can differentiate between diabetic foot infection and a non-infectious complication in nerve-damaged joints. The technique combines agents targeting bone cell activity and immune response, allowing doctors to accurately diagnose and rule out unnecessary scans.

7 new GSA Bulletin articles posted online ahead of print

Researchers analyzed newly discovered ice-age deposits from Garwood Valley to understand the rise and collapse of Antarctic ice sheets. They also studied the geological history of granite emplacement and glacial evolution in Death Valley, California.

Apple iPhone 17 Pro

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Interferon-beta aids balance and movement in mice with spinocerebellar ataxia 7

Researchers have found that interferon-beta treatment significantly improves the physical condition of animal models of spinocerebellar ataxia 7, a fatal genetic disorder characterized by coordination problems. The treatment reduces the load of mutant ataxin-7 and leads to increased PML nuclear bodies involved in protein degradation.

MRI detects early effects of chemotherapy on children's hearts

Research using MRI scans has identified early changes in the hearts of children who have undergone chemotherapy, allowing for potential preventative therapy. The study used T1 mapping to detect fibrosis and found a correlation with exercise capacity and cumulative dose of anthracyclines.

The duck genome provides new insight into fighting bird flu

Researchers have sequenced the duck genome and conducted transcriptomic studies to understand the interactive mechanisms between the host and influenza viruses. The study identified novel genes not present in other birds and found alterations in gene expression patterns in response to avian influenza viruses.

SAMSUNG T9 Portable SSD 2TB

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How do you feed 9 billion people?

Researchers at Michigan State University have developed a new crop modeling system called SALUS to better predict global wheat yields and their impact on the environment. The system integrates multiple crop simulations with improved climate change models, reducing uncertainties and providing more accurate forecasts.

Scientists identify potential drug target for treatment-resistant anemias

Researchers at Whitehead Institute have identified a protein that is the target of glucocorticoids, which increase red blood cell production in patients with certain types of anemia. The discovery could lead to the development of drugs capable of increasing this protein's production without causing severe side effects.

Carbon nanotubes for molecular magnetic resonances

Scientists at ICFO have developed a method to measure weak forces with sensitivity 50 times higher than previous methods, enabling magnetic resonance imaging of individual molecules. This breakthrough could lead to significant advances in medical imaging and diagnostics.

Mice give new clues to origins of OCD

OCD researchers discovered a mechanism underlying compulsive behaviors in mice, suggesting potential treatments. The study's findings could lead to novel drug development and direct stimulation techniques, including deep brain stimulation.

How to control maple tree pests using integrated pest management

Maple tree owners can benefit from a new open-access article that provides information on the biology, damage, and management of key pests. The article offers practical integrated pest management (IPM) solutions for each pest, helping to reduce economic and aesthetic value.

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.

3-D map of blood vessels in cerebral cortex holds suprises

A team of researchers created a 3D map of blood vessels in the cerebral cortex, revealing unexpected connections that don't align with neural cell organization. The study's findings have implications for functional brain imaging and our understanding of dementia.

Self-fertilizing plants contribute to their own demise

A recent study published in Nature Genetics reveals that self-fertilizing plants like Red Shepherd's Purse accumulate harmful mutations over time, reducing genetic diversity. This can lead to extinction, highlighting the importance of preserving crop genetic variation to avoid yield losses due to mutation accumulation.

Gladstone scientists map process by which brain cells form long-term memories

Gladstone scientists have mapped the process by which brain cells form long-term memories, revealing how an important protein called Arc regulates neuron activity. The discovery provides new insight into the molecular mechanisms underlying memory formation and may shed light on neurological diseases such as Alzheimer's and autism.

Danish researchers expose new cause of life-threatening disease

Researchers at the University of Copenhagen have discovered a new way cells communicate with each other using antennae-like structures called primary cilia. This breakthrough sheds light on the causes of debilitating diseases such as heart defects and birth defects, highlighting the importance of TGFβ signalling in fetal development.

Sky-Watcher EQ6-R Pro Equatorial Mount

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Rare mitochondrial mutations -- maybe not so rare?

A recent study reveals that rare mitochondrial mutations are more prevalent than previously thought, affecting 7.1% of patients with a respiratory chain disorder. Comprehensive analysis of all mitochondrial DNA is crucial for early diagnosis and treatment.

Researcher sets out to better understand social cohesion

Researchers at the University of Copenhagen are investigating which strategies work to improve social cohesion and trust in society. They will compare Denmark with Canada, France, and the UK, examining different understandings of community and their impact on social cohesion.

How do immune cells detect infections?

McGill researchers used computational tools to examine the solutions immune systems may use to detect small concentrations of foreign antigens in a sea of self-antigens. The study found that almost all solutions shared a common core structure or motif, revealing a surprisingly simple solution related to biochemical adaptation.

Davis Instruments Vantage Pro2 Weather Station

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Computer games may help forensic psychiatry patients

A new approach using brain-training computer games is being explored to improve memory and thinking in forensic psychiatry patients, who are considered among the most severely mentally ill. The games may be used with psychotherapy, medication, and other approaches to help these patients restore their competency.

Amazon forest fire risk to increase in 2013

Researchers predict a higher severity of Amazon fires in 2013, with increased fire activity in states such as Mato Grosso and Pará. The forecast is based on historical fire data from NASA's Terra satellite and sea surface temperature data from NOAA, indicating a risk of widespread fire activity.

GoPro HERO13 Black

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NASA sees Tropical Storm Andrea cover half the East Coast

Tropical Storm Andrea's extensive cloud cover blanketed half of the East Coast, with most rain occurring ahead of the storm's center. The storm is expected to produce total rain accumulations of 2-4 inches along the eastern seaboard into coastal Maine.

Vegetable oil IS good for you, MU researcher says

A new study from the University of Missouri contradicts claims that consuming vegetable oil promotes inflammation in humans. Researchers found no link between linoleic acid consumption and circulating indicators of inflammation.

Sony Alpha a7 IV (Body Only)

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Climate conditions determine Amazon fire risk

Understory fires in Amazon rainforest cause significant damage, with climate conditions playing a crucial role in determining fire risk. The study reveals that these hidden fires burn at a much slower rate and can destroy up to 50% of the affected area's trees.

Whispering light hears liquids talk

University of Illinois researchers create the first bridge between optomechanics and microfluidics, enabling the study of mechanical vibrations in liquids. The technology has potential applications in biosensors, fluid analysis, and optical control of fluid flow.

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.

Bone tumor in 120,000-year-old Neandertal discovered

A benign bone tumor has been discovered in a 120,000-year-old Neandertal rib fragment, providing a unique link to modern humans. The fibrous dysplasia tumor was identified through advanced imaging techniques and sheds light on the health of ancient human populations.

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.

Study shows how young genes become essential for life

A study has shown how a relatively young gene can acquire an essential function and become crucial for an organism's survival. Researchers found that the novel essential gene in fruit flies, born via gene duplication, acquired its role through stepwise changes over 15 million years.

Oh brother, where art thou?

The three-spined stickleback exhibits preference for joining shoals of relatives over unfamiliar individuals. Despite exposure to familiar and unfamiliar kin, the fish showed no preference for selecting group members based on familiarity.

Fires in northern Saskatchewan

Seventy-seven wildfires have been reported in Saskatchewan, with the largest burning over 247 acres. The province's 'observation zone' policy allows fires to burn naturally, reducing suppression costs.

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.

Reynolds grant supports aging education of doctors

The Brown University School of Public Health and Alpert Medical School will develop and deliver aging-related curricula for hundreds of doctors. The program aims to improve care for older patients by integrating healthy aging into medical specialties.

Study shows medical devices complicate complex conditions in kids

A new study reveals that medical devices contribute to complications in children with complex medical conditions. The research found that vascular access devices and nervous system devices were the most common types of devices associated with adverse events, which often affected young children under the age of 2.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.