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Science News Archive February 2019


Page 26 of 40

Apple iPhone 17 Pro

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

Insulin signaling failures in the brain linked to Alzheimer's disease

Researchers at Joslin Diabetes Center found impaired insulin signaling in the brain negatively affects cognition, mood, and metabolism in Alzheimer's disease. The study used a novel mouse model to demonstrate the impact of disrupting insulin and IGF1 receptors on learning, memory, and mood.

Keeping SDGs from being a zero-sum game

Scientists at AAAS Annual Meeting explore ways to address unintended consequences of achieving Sustainable Development Goals (SDGs), highlighting the need for interdisciplinary approaches. Researchers discuss strategies for reducing tradeoffs between human well-being, nature conservation, and resource management.

On the land, one-quarter of vertebrates die because of humans

A recent study found that humans are responsible for more than 25% of vertebrate deaths globally. The research analyzed 42,755 animal deaths and found that 28% were directly caused by humans. Larger animals and adults are more likely to be killed by humans.

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.

Trump's simple, confident language has strong historical roots

New research confirms that President Trump and leaders like him are part of a long-term trend towards intuitive thinking in politics. The study found that low analytic thinking and high clout are becoming more common globally, particularly in the US and Canada.

Your genes could impact the quality of your marriage

A study at Binghamton University found that variation on the Oxytocin Receptor gene impacts marital quality by influencing how partners provide and receive support from each other. Couples with certain genotypes, particularly those associated with social deficits, reported lower satisfaction with their marriages.

Beyond romance

A new study explores how an individual's genetics and brain activity correlate with altruistic behaviors directed toward romantic partners. The team found that pathways related to bonding in other animals showed up in humans, suggesting a link between empathy and altruism more generally.

Many Arctic lakes give off less carbon than expected

Researchers found that many Arctic lakes are self-contained units with low carbon emissions, contradicting previous assumptions about the region's role in global carbon cycles. The study's findings suggest that these lakes may not be significant contributors to greenhouse gas emissions, at least for now.

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.

New research insights hold promise for kids with DMD

A new medicine under development, vamorolone, shows improved safety in treating both inflammation and heart disease in experimental models of DMD. This is significant because the current standard of care, prednisone, reduces chronic inflammation but has harsh side effects.

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.

BFU scientists developed tungsten-based hydrogen detectors

Researchers from BFU and NRNU MEPhI created a tungsten oxide-based detector for hydrogen gas mixes, showing a significant increase in sensitivity. The new detector has the potential to improve the detection of hydrogen leakages, a critical issue in industries using hydrogen.

More than a courier

A study by Harvard Medical School researchers suggests that axon growth cones can make decisions locally and function semi-autonomously without the cell body. This challenges traditional dogma about neurons, proposing a more intricate web of decision-making and the existence of semi-independent units.

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.

Stress-free training may enhance surgical skill

Researchers found that students trained in a relaxed environment acquired microsurgical suturing and cutting skills rapidly, with performance levels comparable to seasoned surgeons. The study's results challenge traditional training doctrines, suggesting that stress-free conditions can improve skill acquisition and retention.

Surrounded by low achievers -- High on positive emotions?

A recent study by Professor Thomas Götz found that students feel better in an environment with lower overall standards than in one with higher standards. The study, involving over 7,700 German school students, suggests a reciprocal effect where achievement influences emotions and emotions influence achievement.

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.

Researchers identify brain protein crucial to recovery from stroke

A study published in the Proceedings of the National Academy of Sciences reveals that UCHL1, a brain protein, plays a critical role in nerve cell repair after stroke damage. The research found that preventing the inhibition of UCHL1 can decrease injury to axons and preserve neuron function.

Using artificial intelligence to engineer materials' properties

Researchers at MIT and international partners have developed an AI-powered method to explore the possibilities of strain-engineered materials. By applying machine learning methods, they can accurately predict how different amounts and orientations of strain would affect a material's properties.

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.

Why Mr. Nice could be Mr. Right

A new study from Michigan State University suggests that finding someone who is nice and conscientious can lead to higher levels of relationship satisfaction. The research found that even among couples with similar personalities, traits like neuroticism and extroversion have a negative impact on relationship happiness

Climate, mosquitoes, and dengue fever

Researchers developed a model that predicts dengue incidence based on local mosquito density and climate conditions. The model accurately reproduced observed dengue data and predicted 2015 incidence, suggesting future outbreak risks can be mapped.

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.

Researchers identify novel molecular mechanism involved in Alzheimer's

A team of researchers has identified a potential new therapeutic target for Alzheimer's disease by suppressing the activity of a signaling molecule called eEF2K. This approach may improve protein synthesis capacity and alleviate cognitive and synaptic impairments associated with the disease.

LGBTQ youths are over-represented, have poorer outcomes in child welfare system

A new study found that LGBTQ youths are more likely to end up in foster care or unstable housing, suffering negative outcomes such as substance abuse and mental health issues. The research, published in Pediatrics, analyzed data from over 593,000 California youths and revealed that nearly 30% of those living in foster care identified a...

Phase transition dynamics in two-dimensional materials

The study reveals that using a metallic substrate with higher chemical reactivity can significantly increase the phase transition yield of 2D-TMD materials. This method enables the easy achievement of structural phase transitions and opens possibilities for new device applications such as low contact resistance electrodes.

Geneticists ID molecular pathway for autism-related disorder

Researchers discovered a precise pathway causing neurodevelopmental disorders, including rare condition Kaufman oculocerebrofacial syndrome. Genetic sequencing revealed the buildup of protein BCKDK in the brain, leading to intellectual disability and speech loss.

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.

Scientists build the smallest optical frequency comb to-date

Researchers developed the smallest optical frequency comb source, achieving integrated soliton microcomb with ultra-low losses and fast optical feedback. The compact device operates at 88 GHz repetition rate and offers potential for mass-manufacturable applications in LIDAR and data-centers.

Arctic sea ice loss in the past linked to abrupt climate events

A new study links sea ice loss in the Arctic to major climate events, including rapid warming of 16 degrees Celsius in Greenland. The research, published in PNAS, used ice cores and numerical model simulations to determine that sea ice changes played a critical role in past abrupt climate change events.

Celestron NexStar 8SE Computerized Telescope

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

Questions in quantum computing: How to move electrons with light

Researchers at Okinawa Institute of Science and Technology (OIST) have demonstrated how microwaves interact with matter, enabling the movement of electrons. This breakthrough may help improve quantum computing by controlling electrons with precision, leading to faster and more powerful technologies.

Grocery-store based nutrition education improves eating habits

A new study published in the Journal of Nutrition Education and Behavior found that grocery store-based nutrition counseling was effective in changing dietary habits of patients with hypertension. The program improved intake of fruits, whole grains, and healthy fats, while reducing sodium and saturated fat consumption.

Machine learning algorithm helps in the search for new drugs

A machine learning algorithm has been developed to speed up the process of discovering new medicines, identifying four new molecules that activate a protein relevant to symptoms of Alzheimer's disease and schizophrenia. The algorithm is twice as efficient as industry standards and can analyze vast amounts of chemical data.

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.

Managing young women at high risk of heart disease

A new review highlights the importance of identifying premenopausal women with elevated risk factors, such as ovarian dysfunction and pregnancy complications. These women should be screened early for cardiovascular disease and receive close follow-up and lifestyle modifications.

Researchers identify early home and family factors that contribute to obesity

A 21-year longitudinal study found that family stress, maternal depression, and lack of active stimulation are significant risk factors for childhood obesity. The study, published in Childhood Obesity, identified four BMI trajectories through childhood, highlighting the importance of early intervention strategies.

Lefty or righty molecules lend a hand to material structures

Researchers at Rice University have created chiral polymers that can enable materials with unique properties, such as optical and sensing capabilities. The discovery could lead to the creation of metamaterials with tunable properties, including tough-but-flexible compounds with distinct functions.

Bias may affect providers' knowledge of transgender health

A Michigan Medicine-led study found that increased hours of education related to caring for transgender patients does not correlate with improved knowledge among physicians and other providers. Transphobia was the only predictor of provider knowledge, highlighting the need for medical education to address unconscious bias.

Fluke 87V Industrial Digital Multimeter

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

Termites shape and are shaped by their mounds

Researchers developed a model explaining how external environmental factors drive internal airflows in termite mounds, triggering building behavior and altering mound architecture. The model sheds light on swarm intelligence and may inspire designing more sustainable human structures.

Engineered miniature kidneys come of age

Researchers at Wyss Institute develop method to enhance kidney organoid vascularization and maturation, enabling accurate modeling of kidney diseases and drug toxicity testing. This breakthrough paves the way for new building blocks in renal replacement therapies.

It is all about electrons, not names

Researchers identified genes encoding oxidoreductases as key attributes for characterizing global microbial communities. This approach provides a new diagnostic tool for assessing ecosystem services and developing management policies. The study sheds light on the critical role of microorganisms in planetary physiology.

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.

Scientists use machine learning to ID source of Salmonella

A team of scientists developed a machine-learning approach to predict the animal source of certain Salmonella outbreaks with 83% accuracy. The system identified poultry and swine sources as the top predictors, followed by bovine and wild bird sources.