Bluesky Facebook Reddit Email

Science News Archive March 2014


Page 31 of 34

Carotid artery MRI helps predict likelihood of strokes and heart attacks

A new study found that carotid artery MRI can accurately predict future cardiovascular events, including strokes and heart attacks, in people without a history of cardiovascular disease. The presence of a lipid core in the internal carotid artery was significantly associated with an increased risk of subsequent events.

Raising an army of armchair activists?

A recent study on the Save Darfur Cause on Facebook found that only a small percentage of members donated or recruited others, despite the campaign's large online presence. Meanwhile, those who joined independently were more likely to engage in activism, highlighting the potential for individual actions to drive collective change.

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.

Alzheimer's in a dish

Researchers at Harvard University have successfully converted patient skin cells into human brain cells, offering a new model for studying and developing treatments for early-onset Alzheimer's disease. The study found that preventing amyloid-beta imbalances can reduce levels of distorted tau protein.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

New markers for acute kidney injury reported

Researchers have identified two new biomarkers for acute kidney injury (AKI) in urine, allowing for earlier detection and treatment. The markers, TIMP-2 and IGFBP7, were validated using clinical adjudication and tested in independent labs.

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.

New online care from dietitians helps control weight

The e-Care study found that secure online access to a dietitian increased patient satisfaction and weight loss in overweight patients with hypertension. Patients reported improved blood pressure and heart risk trended lower, but differences were not significant.

Satellite video captures the eastern US winter storm track

A major winter storm brought snow and freezing rain to the US east coast on March 2-3, with data from NOAA's GOES-East satellite compiled into a video by NASA. The storm's movement was tracked using MODIS instrument data, providing a clear picture of its path.

How 19th century physics could change the future of nanotechnology

Researchers at the University of Cincinnati have developed a new method of light-matter interaction analysis, which appears to be a good way of helping make better semiconductor nanowires. The technique uses Rayleigh scattering to probe band structures and electron-hole dynamics in single indium phosphide nanowires.

Opening a casino linked with lower rate of overweight children in that community

A new study published in JAMA Network found that the opening of a casino is associated with a lower rate of overweight children in the surrounding community. The study analyzed data from 117 school districts in California and found that every 1 casino slot per capita gained was linked to an increase in average per capita annual income,...

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.

Hot on the trail of cellular metabolism

The study reveals that UCP2 is involved in increased metabolism in embryonic stem cells and cancer cells, while UCP4 is associated with nerve cell metabolism. The findings suggest that UCP proteins can be used to detect diseases at an early stage, such as cancer and neurodegenerative illnesses.

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.

New evidence confirms link between IQ and brain cortex

A collaborative study by McGill University researchers found that cortical thickness is linked to changes in full-scale IQ, contradicting earlier assumptions. The study discovered significant increases or decreases in IQ were associated with exaggerated or normal cortical thinning, respectively.

Study examines gap in federal oversight of clinical trials

A recent study analyzed nearly 24,000 active human research clinical trials and found that 5-16% are not covered by two major federal regulations. The primary federal human subjects protections policies in the US include FDA HSP regulations and the Common Rule, which can lead to overlap trials and gap trials with varying characteristics.

Apple iPhone 17 Pro

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

New therapy helps to improve audio and visual perception in stroke patients

Researchers at Saarland University have developed a novel therapeutic approach called optokinetic stimulation therapy (OKS) that has been shown to improve perception of sounds and images in stroke patients. After undergoing OKS therapy, patients were able to better perceive people, objects, and spatial orientation.

Controlling protein intake may be key to a long and healthy life

Two studies suggest that low protein intake may be beneficial for longevity until old age, while high-protein diets are associated with increased cancer risk and mortality. High-quality protein with low fat and complex carbohydrates is recommended for optimal health and long life.

A new study reveals the nutrition, cost and safety benefits of canned foods

A new study published in the American Journal of Lifestyle Medicine reveals that canned foods deliver on nutrition and cost, making them a high-quality option for Americans to meet their dietary needs. Canned fruits and vegetables provide great tasting, safe options, with no sacrifices in nutritional quality.

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.

Pulling polymers leads to new insights into their mechanical behavior

Researchers at the University of Basel successfully pulled isolated molecular chains from a gold surface using atomic force microscopy. The experiment revealed the detachment force and binding energy of molecules, providing new insights into the mechanical behavior of single polymers.

Exploring sexual orientation and intimate partner violence

Two studies found that homosexuals and bisexuals are more likely to be victims of intimate partner violence, with a risk compounded by childhood abuse. Non-heterosexual victims were also more likely to experience substance abuse and health issues compared to heterosexual victims.

Gene transfer optimization

A research team developed an adjuvant that optimizes lentivirus gene transfer by enhancing virus attachment to target cells, resulting in a three-fold increase in transduction rate. This improvement reduces the need for additional viruses, potentially leading to more effective treatments for genetic disorders.

Physics in 3-D? That's nothing. Try 0-D

Researchers at the University of Cincinnati have identified a zero-dimensional quantum dot structure that can confine electronic excitations within semiconductor nanowires. This discovery has significant implications for harnessing solar energy, creating stronger lasers, and developing more sensitive medical diagnostic devices.

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.

Warfarin for a-fib does not worsen outcomes for patients with kidney disease

A recent study found that warfarin treatment is associated with a lower risk of death, heart attack, or stroke without an increased risk of bleeding for patients with established cardiovascular disease and atrial fibrillation. The study included over 24,000 patients with kidney function measured through serum creatinine levels.

New research seeks beneficial qualities of viruses

A multi-institutional team, led by Rachel Whitaker, studies host-viral interactions to understand how viruses can protect hosts from competitors and aid in survival. The research aims to develop a theoretical model of eco-evolutionary dynamics between viruses and microbes.

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.

'Gaydar' revisited

A recent study revisits the phenomenon of 'gaydar' in women, finding that lesbians are better at detecting sexual orientation, while straight women excel at identifying emotions and thoughts. The research also highlights differences in judgments between lesbian and straight judges.

Brandeis University researchers illuminate key structure in heart cells

Brandeis University researchers have identified the correct structure of a potassium ion channel in heart cells, challenging previous studies that suggested varying numbers of proteins were required. The findings have significant implications for understanding arrhythmias and developing effective treatments.

Not even freezing cold stops alien species in high altitudes

Research at Umeå University and University of Antwerp found that alien plants successfully penetrate alpine vegetation in subarctic mountain areas. Human transportation on roads and walking tracks facilitates their invasion. Climate warming also contributes to the success of introduced species.

What bat brains might tell us about human brains

Researchers at Georgetown University Medical Center have discovered that a small region within the amygdala in bats is responsible for producing emotional calls and sounds. This finding may lead to new treatments for malfunctions in emotional responses, such as pathological aggression.

Fluke 87V Industrial Digital Multimeter

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

Common cancers evade detection by silencing parts of immune system cells

Johns Hopkins researchers have identified a set of genes that can be turned back on to evade immune detection in ovarian, breast, and colorectal cancer. Reversing these epigenetic changes with an FDA-approved drug allows cancer cells to become more vulnerable to immune therapy, potentially leading to more effective treatment.

Next step in live-donor uterus transplant project

A team of Swedish researchers led by Professor Mats Brännström have successfully performed nine uterus transplants using live donors, a breakthrough in treating uterine infertility. The transplants involved five mother-daughter pairs and four close relatives, with no blood transfusions required during surgery.

Passive smoking causes irreversible damage to children's arteries

A study found that exposure to passive smoke in childhood causes direct and irreversible damage to the structure of children's arteries. Children exposed to both parents' smoking have thicker artery walls, increasing their risk of heart disease and stroke. The study supports banning smoking in cars where young people are present.

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.

Horses set to gain health benefits from stem cell advance

Researchers at the University of Edinburgh's Roslin Institute have created working nerve cells from horse stem cells, paving the way for cell therapies targeting neurological conditions. The breakthrough could also benefit horses affected by grass sickness, a previously untreatable condition.

'Dimer molecules' aid study of exoplanet pressure, hunt for life

Astronomers have developed a new method to gauge exoplanet pressure by detecting dimer molecules. This technique may also help identify biosignatures of life in extraterrestrial atmospheres. The discovery could be made possible with future powerful telescopes like the James Webb Space Telescope.

NASA satellite sees Faxai hit typhoon strength

Tropical cyclone Faxai reached typhoon strength with maximum sustained winds near 65 knots/74.8 mph on March 4. The NASA Aqua satellite captured an image of the storm, showing tightly wrapped bands of thunderstorms around its center. Forecasters predict Faxai will maintain typhoon strength for a day before weakening.

What makes flying snakes such gifted gliders?

A team of researchers used computer simulations to study the aerodynamics of flying snakes, discovering that whirls of wind surrounding the snake's body provide an extra boost of lift. This unique shape helps the snake glide efficiently through the air, making it a fascinating example of nature's efficient design.

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.

Researchers find protein 'switch' central to heart cell division

Scientists have discovered a molecular 'switch' that regulates heart cell division and could potentially be used to regenerate damaged heart tissue. The discovery was made by studying infant siblings with a rare heart defect, who exhibited unusual heart cell proliferation.

Meat and cheese may be as bad for you as smoking

Eating a diet rich in animal proteins during middle age may be as deadly as smoking, according to a new study. High-protein diets were linked to a dramatic rise in cancer mortality and an increased risk of early death.

Predators delay pest resistance to Bt crops

Cornell research reveals that natural enemies like ladybeetles can delay pest resistance to Bt crops, reducing the need for multiple genes and refuge plants. This finding supports the use of Bt crops in agriculture while minimizing pesticide usage.

Discovery in France of the New Guinea flatworm

The New Guinea flatworm, considered one of the 100 worst invasive alien species, has been found in France for the first time. The flatworm was identified by molecular analysis and is capable of consuming European snails and other soil-dwelling species.

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.

Plant extract hope for infant muscle disease

Researchers have discovered a plant-based compound that targets the root cause of spinal muscular atrophy (SMA), a genetic disorder causing muscle wastage and weakness in infants. Quercetin has shown promise in tests on zebra fish, mice, and fruit flies, offering a potential treatment option for early stages of the disease.