Bluesky Facebook Reddit Email

Science News Archive February 2014


Page 3 of 30

Cushing's syndrome: A genetic basis for cortisol excess

A team of researchers has identified genetic mutations causing uncontrolled cortisol production, leading to weight gain, muscle wasting and other symptoms. The discovery may lead to new diagnostic tools and treatment approaches for Cushing's syndrome, a heritable condition.

New tool to unlock genetics of grape-growing

Researchers at the University of Adelaide have developed a web-based tool to examine the genetic interactions behind grapevine development. The 'VTCdb' database enables scientists to identify genes working together in networks, leading to better understanding of complex traits and improved wine production.

High-calorie diet could slow progression of motor neuron disease (ALS)

A new study suggests that a high-calorie diet rich in carbohydrates and fat may help slow the progression of motor neuron disease (ALS). Patients who were mildly obese lived longer than those who lost weight as ALS progressed. The diets improved survival rates, with fewer adverse events and deaths from respiratory failure.

Apple iPhone 17 Pro

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

High-calorie feeding may slow progression of ALS

A phase 2 clinical trial found that patients with ALS receiving a high-calorie, high-carbohydrate tube-feeding formula lived longer and had fewer adverse events than those on a standard formula. This preliminary evidence suggests improved nutrition could extend survival in ALS patients.

Mouse brain atlas maps neural networks to reveal how brain regions interact

Researchers developed a mouse whole-brain atlas that maps hundreds of neuronal pathways in the cerebral cortex, revealing a highly organized network consisting of eight subnetworks. This study provides an invaluable resource for researchers studying cortical networks and their role in regulating thoughts, emotions, and behaviors.

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.

A novel treatment may reduce myocardial infarction size

Researchers at the University of Eastern Finland developed a novel treatment using RNA molecules to target and enhance vascular endothelial growth factor gene (VEGF-A) production. This approach significantly reduced myocardial infarction size in mouse models, offering new hope for heart disease treatments.

New fast and furious black hole found

Astronomers have found a new superpowered small black hole named MQ1 in galaxy M83, which is classed as a microquasar with jets that heat and sweep away surrounding gas. The discovery sheds light on early universe evolution and provides insight into the growth of quasars.

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.

Cancer vaccine could use immune system to fight tumors

Researchers have developed a cancer vaccine that utilizes the immune system to target and destroy tumor cells producing a specific protein. The vaccine, which involves genetically modified tumor cells producing IL-15 and its receptor, shows promise in slowing tumor growth and increasing survival rates in animal models.

Attitude during pregnancy affects weight gain

Overweight pregnant women who believe they are 'eating for two' tend to experience excessive weight gain, while those with a goal-oriented approach and healthy habits gain appropriate weight. Monitoring weight gain during pregnancy can help prevent future complications and obesity.

Mayo Clinic discovers African-Americans respond better to rubella vaccine

A new study by Mayo Clinic reveals that African-American individuals develop twice the antibody response to the rubella vaccine compared to Caucasians. This finding may enable the creation of vaccines tailored to specific ethnic groups or individuals, offering a more effective approach to immunization.

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.

Decline of Bronze Age 'megacities' linked to climate change

Scientists found a link between climate change and the decline of Indus Civilization's megacities in northwest India 4,100 years ago. A weakening of the summer monsoon led to droughts that coincided with the beginning of the civilization's decline.

Different eggs in adolescent girls and adult women

A recent study published in Human Molecular Genetics describes two distinct types of eggs in the mammalian ovary, contributing to puberty and fertility. The identification of these 'first wave' and 'adult wave' eggs may lead to improved treatments for ovarian diseases like premature ovarian failure.

Personalized medicine has finally arrived -- or has it?

Researchers have made progress in designing therapies for patients with specific genetic traits, particularly in cancer treatment. However, the field still faces significant hurdles, including a need to incorporate individuals' health histories and environmental factors into personalized medicine.

Impact on mummy skull suggests murder

The study found evidence of severe Chagas disease and suggests that the young Incan girl may have been victim of ritual homicide. The analysis of her mummy revealed massive skull and face trauma, indicating a pre-mortem injury, which is similar to previously described South American mummies.

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 study looks at biomarkers in assessing pitch count's bearing on injury

A new study by Mercyhurst University, UPMC Hamot, and Shriners Hospitals for Children is exploring the correlation between pitch count and throwing arm injuries. The researchers will use high-speed motion-capture cameras, shoulder muscle power tests, and biomarkers to analyze the effects of consecutive pitches on fatigue.

Harvested rainwater harbors pathogens

A study found that harvested rainwater frequently contains pathogens like Legionella, Klebsiella, and Yersinia, posing a significant public health hazard, especially for vulnerable populations. The research highlights the need for pretreatment of rainwater before consumption or use in households.

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.

A cavity that you want

A team of researchers from the University at Buffalo and two Chinese universities has developed an optical nanocavity that boosts the amount of light ultrathin semiconductors absorb. The advancement could lead to more powerful photovoltaic cells, faster video cameras, and potentially aid in developing hydrogen fuel.

MIT researchers make a water filter from the sapwood in tree branches

A team of MIT researchers has discovered that a small piece of sapwood can filter out over 99% of bacteria from contaminated water. The xylem tissue in the sapwood allows water to flow through while blocking most types of bacteria, making it a promising low-cost material for water filtration.

Nanoscale freezing leads to better imaging

Researchers at Argonne National Laboratory developed a hard X-ray fluorescence nanoprobe that preserves the natural state of cells and trace elements by rapidly cooling them to -260°F. This enables the creation of high-resolution images with unprecedented detail, solving long-standing issues in biological imaging.

Study shows why breastfed babies are so smart

A new study by Brigham Young University researchers reveals that breastfed babies perform better in school due to their mother's sensitivity to emotional cues and reading habits. The study found that these parenting skills can yield significant improvements in brain development by age 4.

Meta Quest 3 512GB

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

Still-fresh remnants of Exxon Valdez oil protected by boulders

Twenty-five years after the Exxon Valdez spill, beaches on Alaska's Alaska Peninsula harbor unchanged oil pockets, suggesting stable boulder protection. Researchers found remarkably preserved oil similar to 11-day-old oil, offering insights into oil durability and persistence.

WSU researchers say fear of death may curb youthful texting and driving

WSU researchers Ioannis Kareklas and Darrel Muehling found that young drivers who view PSAs featuring graphic images of death experience lower attitudes towards texting while driving. The study suggests using emotional appeals, such as the fear of death, to persuade drivers to stop texting and driving.

Waterbirds' hunt aided by specialized tail

Researchers found that waterbirds using different foraging strategies have evolved distinct tail shapes. Underwater foragers, such as cormorants and penguins, developed elongated tails with specialized vertebrae structures, while aerial birds had shorter, deflected tails.

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.

UNC researchers team up to find new target for dengue virus vaccine

Researchers at the University of North Carolina have discovered a new target for human antibodies that could hold the key to a vaccine for dengue virus. The team found that natural human antibodies bind to a specific region called an epitope hinge, which is composed of just 25 amino acids.

New blood analysis predicts risk of death

A new scientific blood analysis uses biomarkers and NMR spectroscopy to predict short-term mortality in the next five years. The study found that biomarker concentrations are crucial for normal metabolism, regardless of known risk factors.

One gene influences recovery from traumatic brain injury

A study by University of Illinois researchers found that a single polymorphism in the BDNF gene affects intelligence after traumatic brain injury. Individuals with a specific genetic variation showed improved cognitive function, while those without it experienced impaired recovery.

National award for animal testing alternative

Dr. Gyorgy Fejer has developed a method to create continuously growing macrophage cells in the lab from mice, reducing the need for live animals in research. This could lead to significant reductions in animal usage and improve research effectiveness.

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.

Improved prescribing and reimbursement practices in China

A new study in Health Affairs found that combining pay-for-performance with capitation in China's Ningxia Province significantly reduced antibiotic prescriptions and total spending per visit. The intervention led to a near-15% decrease in antibiotic prescriptions and a small decline in total spending.

NPL scientists blend synthetic air to measure climate change

Scientists at NPL have created a synthetic air reference standard to measure carbon dioxide and methane in the atmosphere, providing a trusted base unit for global monitoring. This innovation addresses the growing demand for standards comparable to the World Meteorological Organisation (WMO) scale.

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.

Whales, ships more common through Bering Strait

A study by the University of Washington's Applied Physics Laboratory reveals more detections of whales traveling through the Bering Strait. The research tracks Arctic beluga and bowhead whales as well as sub-Arctic humpback, fin, and killer whales using underwater microphones.

3-D microgels 'on-demand' offer new potential for cell research

Researchers at the University of Toronto have developed a tool that allows for cost-efficient, three-dimensional microgels to study cells in a naturalistic manner. The digital microfluidics platform enables flexible incorporation of different cell types and shapes, with potential applications in personalized medicine.

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.

Self-rated physical fitness in midlife an indicator of dementia risk

A recent Finnish study found that individuals with poor self-rated physical fitness in midlife (around age 50) are four times more likely to develop dementia over three decades compared to those with good fitness. Maintaining physical activity and addressing lifestyle factors may help reduce this risk.

A road map -- and dictionary -- for the arthropod brain

A collaborative effort has created a standardized nomenclature for the architecture of insect brains, tripling the number of identified structures. This will enable future research on brain function and disease to be more efficient and accurate.

No warming hiatus for extreme hot temperatures

Research found a steep upward tendency in extreme hot days over land, despite a supposed 'hiatus' in global average temperatures. The study revealed regions experiencing 10-50 extremely hot days saw the greatest increases in hot events and affected area.

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.

Sunburns strike twice

Researchers discovered that sunburns contribute to melanoma development through inflammatory processes in surrounding tissue. Melanoma cells migrate along blood vessels in inflamed skin, with activated neutrophils playing a key role in metastasis.

Hubble monitors supernova in nearby galaxy M82

The Hubble Space Telescope has captured an image of SN 2014J, a Type Ia supernova discovered in the galaxy M82. The observations will help refine distance measurements to these explosions, which are essential for understanding the accelerating expansion of the universe.

New advances in the chronic lymphocytic leukaemia genome

Researchers have sequenced the functional part of the genome of leukaemia cells and identified thousands of genes expressed differently in leukaemia cells compared to healthy B lymphocytes. The study revealed two subgroups of patients with distinct disease behaviors, one requiring minimal treatment and the other needing prompt 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.

Secondhand smoke exposure linked to adverse pregnancy outcomes

A study published in Tobacco Control found that secondhand smoke exposure is associated with increased risk of fetal loss, including miscarriage and stillbirth. Women who never smoked but were exposed to secondhand smoke had a significantly higher risk of adverse pregnancy outcomes.

Cesarean babies are more likely to become overweight as adults

A new analysis has found that babies born by caesarean section are more likely to be overweight or obese as adults. The odds of being overweight or obese are 26 per cent higher for adults born by caesarean section than those born by vaginal delivery, according to the study.