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Science News Archive April 2016


Page 8 of 39

Red light controls signaling in human cells

Researchers have developed a non-invasive method for receptor activation using red light, which can penetrate deep tissues and activate signal pathways involved in cell division. The approach has potential for treating diseases such as cancer, Alzheimer, Parkinson, and diabetes.

GI problems in autism may originate in genes, study suggests

Researchers found that mice with autism-like genetic mutations had fewer neurons in the gut, slower gut movement, and poor gut lining. Increasing serotonin activity during development prevented these changes. The study suggests a shared underlying abnormality for some patients with autism and gastrointestinal problems.

How Vibrio cholerae is attracted by bile revealed

Researchers discovered Vibrio cholerae attraction to bile taurine, shedding light on its survival and pathogenicity. The finding may lead to prevention of infection and development of new drugs for cholera.

Apple iPhone 17 Pro

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

How researchers teach bacteria new behaviors

Researchers at Ruhr-University Bochum successfully taught bacteria to swim by combining various RNA modules in a new way. The team used riboswitches and RNA thermometers to control the bacterium's behavior and responded to temperature and metabolic products.

The light stuff: A brand-new way to produce electron spin currents

Researchers at Colorado State University have discovered a new way to produce electron spin currents using non-polarized light, a potential game-changer for microelectronics. This achievement could lead to more efficient and powerful devices with reduced power consumption.

Controlling RNA in living cells

A new system allows scientists to image RNA inside living cells, monitor its activity and even control it. The modular components enable easy performance of a wide variety of RNA manipulations.

Chronic inflammation leads to imbalanced blood system and potentially cancer risk

A study found that chronic exposure to interleukin-1 causes overproduction of immune cells, resulting in an imbalanced blood system. This imbalance can lead to inefficient oxygen delivery, immunodeficiency, and increased cancer risk. Researchers suggest that therapies may be able to reverse the effects of chronic inflammation on blood ...

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.

Role of life's timekeeper -- a novel theory of animal evolution

A novel theory of animal evolution suggests that a biochemical oscillator named Life's Timekeeper controls cell maintenance and repair, determining cell longevity. This mechanism is believed to have driven the extension of cell longevity in animals, leading to the development of complex organisms.

New structure identified in membrane of disease-causing bacteria

Molecular microbiologists at UMass Amherst identify a distinct domain on the plasma membrane of Mycobacterium smegmatis, crucial for bacterial growth. The discovery provides insight into lipid metabolism and regulatory mechanisms in mycobacteria, potentially leading to new methods of inhibiting bacterial growth.

New gene-detecting technology brings new, resilient superwheat closer

Scientists have developed a new gene-detecting technology that accurately pinpoints the location of disease resistance genes in large plant genomes. This has reduced the time it takes to clone these genes in wheat from five years to just two, enabling the creation of elite varieties with durable resistance to disease.

Fighting against counterfeit medicine

A new study from Michigan State University applies criminology theory to combat counterfeit medicines, identifying key factors in crime occurrence and the importance of field product authentication efforts. By analyzing protocols for crime scene investigation and forensic science in Nigeria, the researchers found that a country's willi...

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.

Algae disrupt coral reefs' recycling

A new study finds that excessive algae growth in coral reefs causes microbes to dominate the food chain, depleting oxygen and releasing harmful pathogens. This leads to a runaway feedback loop, further coral death and ecosystem collapse. The research highlights the impact of human activities on coral reef ecosystems.

Microbial cooperation in the intestine

Researchers discovered a rare example of cooperation between different bacteria species in the human gut. Bacteroides ovatus digests a complex carbohydrate, providing benefits to other species in return.

Do bed bugs have favorite colors?

Researchers found that bed bugs strongly preferred red and black colors, but avoided green and yellow due to their resemblance to brightly-lit areas. The study's findings may have implications for controlling bed bug populations by using color preference in traps.

Study finds no change in antibody levels associated with food allergy

A new study analyzing 5,000 stored blood samples found no increase in food-specific IgE antibodies between the 1980s and 2000s. The researchers suggest that growing awareness and diagnosis of food allergies among children may be contributing to the increasing prevalence of food allergies over the past few decades.

Fluke 87V Industrial Digital Multimeter

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

Do successful leaders produce more successful leaders?

Researchers found that working under a highly successful leader provides initial career benefits in terms of getting a promotion at another organization. However, these benefits are short-lived and long-term effects may even be harmful. Promoted acolytes experience lower success rates than promoted non-accolytes.

HIV PrEP currently too pricey to use in people who inject drugs

A national PrEP program for injection drug users is cost-prohibitive due to high drug prices, but investing in naloxone therapy, medical insurance, and detoxification programs could prevent HIV infections more effectively. The study suggests that alternative approaches may be a better use of HIV prevention resources.

New understanding of enzymes could help to develop new drugs to treat diseases

A team of researchers at the University of Leicester has made significant progress in understanding the role of inositol phosphate molecules in regulating gene expression. By developing a novel peptide-based inhibitor, they have gained insights into how enzymes are activated by these small molecules, paving the way for more specific an...

NASA awards student-led team to develop lightning gamma-ray instrument

A Louisiana State University student-led team has been awarded a $200,000 grant to develop an instrument that will fly into a thunderstorm to measure how lightning produces high-energy gamma-rays. The project, called Correlation of Terrestrial gamma flashes, Electric fields and Lightning strikes, aims to study the electrical and radiat...

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.

Researchers discover fate of melting glacial ice in Greenland

A team of researchers from the University of Georgia has discovered that most of the freshwater pouring into oceans from melting Greenland ice sheet originates from the east coast. The study found that wind and ocean currents transport meltwater around the southern tip of Greenland, which is then largely deposited into the Labrador Sea.

The United States absorbed carbon dioxide despite a drought

Despite a severe drought, the contiguous United States remained a carbon sink in 2012, absorbing more carbon during warmer springs and releasing less during dry summers. The unique combination of measured data from various sources allowed researchers to calculate the carbon exchange for the entire US during this period.

Could a combined dietary supplement help ward off heart disease?

A combined dietary supplement of marine fish oil, cocoa extract, and phytosterols could potentially prevent atherosclerosis by inhibiting key processes associated with its progression. The study found that combining these ingredients helped halt the progression of atherosclerosis in cell-based models.

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.

Risks of harm from spanking confirmed by analysis of 5 decades of research

A meta-analysis of 50 years of research on spanking found that it is associated with increased anti-social behavior, aggression, mental health problems, and cognitive difficulties. Spanking was linked to detrimental outcomes consistently across all types of studies, including those using strongest methodologies.

Flipping a chemical switch helps perovskite solar cells beat the heat

Researchers at Brown University have developed a new method to convert one type of perovskite into another, improving thermal stability and light absorption. The technique uses gas-based methods to flip the chemical switch, preserving the microstructure and morphology of the material.

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.

The female pelvis adjusts for childbearing years

Researchers found that female pelves widen with puberty, reaching full width by age 25-30, but then narrow again after menopause. Hormone levels drive this process, suggesting the body can modulate pelvic dimensions to ensure optimal childbirth.

NASA sees wind shear end Tropical Cyclone Amos

Tropical Cyclone Amos weakened and dissipated in the Southern Pacific Ocean on April 24, 2016, after being torn apart by increasing wind shear. The storm's elongation was evident in composite satellite images, with heaviest rainfall appearing in its northwestern quadrant.

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.

Internet video portals do not control views well

Researchers discovered a discrepancy in YouTube's view count system, where fake views were counted towards advertisers' bills despite being flagged as fraudulent. This study highlights the challenges of detecting and preventing bot fraud in video portals, which can have significant economic implications.

Music improves baby brain responses to music and speech

A recent study by the University of Washington's Institute for Learning & Brain Sciences found that 9-month-old babies who participated in music play sessions showed improved brain responses to music and new speech sounds. This suggests that early musical experiences can have a lasting impact on cognitive skills such as pattern percept...

Dopamine neurons have a role in movement, new study finds

Princeton University researchers used advanced techniques to record dopamine neuron activity in the striatum, finding that these neurons not only encode reward but also directly control movements. This discovery challenges current understanding of dopamine's role in movement-related disorders like Parkinson's disease.

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.

Expand HPV vaccination programs in Canada to include males

HPV vaccination programs in Canada are currently limited, leaving men vulnerable to HPV-related diseases. The Canadian Medical Association Journal recommends expanding the programs to include males and negotiating with pharmaceutical companies to decrease costs.

Conservation alliance to focus on Peruvian Amazon deforestation

A new international research center will focus on sustainable use of tropical landscapes and combat environmental destruction in the Peruvian Amazon. The center aims to develop transformative solutions for human health and biodiversity, building scientific capacity in local communities.

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.

Physicists detect the enigmatic spin momentum of light

Researchers at RIKEN and the University of Bristol have experimentally verified that light exerts a new type of optical force proportional to its circular polarization. The team used an extremely precise nano-cantilever to measure this force, which is much weaker than usual radiation pressure.

Care disparities for Hispanic Medicare Advantage enrollees in Puerto Rico

A recent study published in JAMA Internal Medicine found significant disparities in healthcare quality for Hispanic Medicare Advantage enrollees in Puerto Rico compared to their counterparts in the US. The study analyzed data from over 7 million MA enrollees and found that Hispanic MA enrollees in Puerto Rico received worse care on 15 ...

Novel anti-biofilm nano coating developed at Ben-Gurion U.

Researchers have developed an innovative anti-biofilm coating with significant anti-adhesive potential, preventing destructive bacterial growth on metal surfaces. The coating has potential applications in medical implants, devices, and surgical equipment, as well as industrial uses such as preventing aquatic biofouling.

Revolutionary antibiotics will save the world

Russian scientists have identified a unique enzyme in E. coli that enables the bacterium to breathe, despite the presence of hydrogen sulfide, which would normally inhibit mitochondrial respiration. This discovery could lead to the development of new antibiotics that target specific types of bacteria without harming human cells.

Celestron NexStar 8SE Computerized Telescope

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

Framing discourse around conservative values shifts climate change attitudes

A new study from Oregon State University finds that conservatives' attitudes toward climate change and environmental concerns shift when the issues are framed in terms more closely aligned with their values. The researchers used moral foundations theory to test how shifts in moral framing affect attitudes toward environmental issues.

World-class oral presentations featured at ARRS 2016 Annual Meeting

Groundbreaking research in 13 radiology subspecialities presented during the ARRS 2016 Annual Meeting. Notable findings include improved prostate cancer detection and grading using restriction spectrum imaging, reduced unnecessary biopsies via novel mammographic algorithm, and faster knee MRI acquisition with accelerated SPACE.

Gut feeling: ONR research examines link between stomach bacteria, PTSD

Researchers studying intestinal bacteria and their effect on the human brain and mood found that an imbalance in gut microbiota can lead to heightened anxiety and stress. Feeding stressed mice probiotics improved behavior and reduced stress biomarkers, suggesting a potential treatment for PTSD.

Scientists advance disease resistance in 3 of world's most important crops

Researchers at 2Blades Foundation have isolated novel disease resistance genes and successfully transferred them into wheat, soybean and potato to combat diseases such as wheat stem rust, Asian soybean rust and late blight of potato. These breakthroughs aim to provide durable genetic resistances to protect crops from devastating losses.

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.

Increased odds of ADHD for kids with some types of vision problems

Children with uncorrectable vision problems are twice as likely to have a diagnosis of ADHD, according to a nationwide study. The researchers analyzed data on over 75,000 children and found that those with vision problems not correctable by glasses or contact lenses had a higher prevalence of ADHD.

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.

Can mountain-climbing bears rescue cherry trees from global warming?

Researchers found that Asiatic black bears disperse wild cherry tree seeds toward mountaintops, helping the species cope with projected temperature rises. The study suggests that seed dispersal direction can be asymmetric and highlights the importance of considering seed dispersal limitations in predicting future plant distributions.

Folding molecules into screw-shaped structures

Chemists develop methods to wind up molecules into screw-shaped structures using artificial molecules, demonstrating a mechanism to transfer handedness. The technique could be used to design molecules for catalysis or energy conversion.