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Science News Archive February 2014


Page 24 of 30

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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...

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.

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.

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.

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.

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.

Apple iPhone 17 Pro

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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...

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.

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 ...

Fluke 87V Industrial Digital Multimeter

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

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.

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.

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.

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.

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.

University of Leeds to be a leader in data analytics and research

The University of Leeds has been awarded £5.8 million from the MRC and approximately £5 million from the ESRC to establish a leading centre in data analytics. The funding will support a range of research projects, including consumer data analysis and electronic health records.

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.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Sociable receptors: In pairs, in groups or in a crowd

Researchers found that Eph receptors must form groups of three or four to become active, with the ratio of multimers to inactive dimers determining repulsion strength. This understanding can guide cell migration and growth, shedding light on diseases related to guidance system breakdowns.