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Science News Archive March 2019


Page 27 of 43

Strontium isotope maps are disturbed by agricultural lime

Researchers found that agricultural lime alters the strontium isotopic composition of surface waters and plants in non-calcareous soils. This can result in incorrect interpretations of prehistoric people's origins and movement, affecting studies on provenance and mobility.

WVU researchers investigate the impact of the statewide opioid crisis on teachers

A study by WVU researchers finds that 70% of West Virginia teachers report an increase in students impacted by substance use at home, but only 10% feel confident in supporting these students. The study highlights the need for additional training and support for teachers to address the downstream effects of the opioid crisis on children.

Apple iPhone 17 Pro

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

What do gardens bring to urban ecosystems?

This research project investigates how urban gardens impact ecosystems by analyzing soil health, microbe populations, water quality, and greenhouse gas emissions. The findings will inform policymakers and growers on how to make better land use decisions.

Fingerprints, revisited

Researchers are developing methods to extract DNA and analyze chemicals from fingerprints, improving identification rates. These techniques involve analyzing molecules like DNA, amino acids, or explosives left behind in fingerprints.

Report examines origins and nature of 'math anxiety'

A report by the University of Cambridge explores the nature and resolution of maths anxiety, finding that girls tend to be more affected than boys and that teachers and parents may inadvertently play a role in its development. The study also highlights the need for conscious awareness of an individual's maths anxiety affecting their pe...

Democracy linked to global health gains in low-, middle-income countries

A new study suggests that democracy is associated with improved public health outcomes in low- and middle-income countries, especially in areas such as cardiovascular disease and noncommunicable diseases. The researchers found that democratic institutions and processes can be a catalyst for improving population health.

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.

New method to assess platelet health could help ER doctors

Researchers created a novel system to measure platelet function within two minutes, allowing doctors to estimate trauma patients' risk of bleeding. The device uses microfluidic technology and activates platelets with obstacle blocks, enabling real-time assessment of platelet forces.

Found: the missing ingredient to grow blood vessels

Researchers at UVA Health System found that perivascular cells are essential for complete blood vessel formation. The discovery offers new direction for treating conditions like diabetes and heart attacks by growing functional blood vessels.

New study shows human impact erodes chimpanzee behavioral diversity

A recent study found that high levels of human impact on chimpanzee habitats lead to a significant reduction in behavioral diversity. The researchers analyzed data from 144 social groups across Africa and found that behaviors such as tool use, nut consumption, and thermoregulation were lost at sites with high human disturbance.

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.

Columbia Team develops treatments for depression

A research collaboration between Columbia University and a genomicist has identified specific genetic pathways associated with antidepressant resistance. The team hopes to develop new treatments that can circumvent resistance in millions of people who do not respond to current medications.

Measuring the success of East African protected areas

Researchers found that 86% of East Africa's ecoregions have achieved the Aichi Target 11 goal of protecting at least 10% of each region by 2020. However, three ecoregions are poorly represented with less than 10% coverage. Protected areas cover at least 10% of endemic species' ranges, but many species still lack full protection.

Molecular patterns could better predict breast cancer recurrence

Scientists have developed a statistical tool to predict breast cancer recurrence and progression, using molecular patterns from nearly 2000 women. The research identified distinct clinical trajectories for different breast cancer subtypes, highlighting the importance of personalized treatment options.

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.

Researchers create nano-bot to probe inside human cells

Researchers created a nano-bot with magnetic 'tweezers' that can position a bead inside a human cell in three dimensions with unprecedented precision. The technology has been used to study cancer cells, showing the nucleus is not equally stiff in all directions and providing new insights for diagnosis.

Machine learning tracks moving cells

Scientists have devised an elegant tool to quantify the movement and changing morphology of cells through time using machine learning. The software, Usiigaci, analyzes microscopic snapshots of migrating cells and detects their changing outlines, enabling single-cell tracking at unprecedented resolution.

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.

Big stats, human stories change attitudes about global issues

The study found that percentage-based evidence and human interest stories increased engagement, while discussing overall problem magnitude didn't. Researchers used a nonprofit's health care access campaign to test the effectiveness of different messaging approaches.

Researchers study how internet impacts orthodox Christianity

The project aims to understand how the Internet has influenced Orthodox Christianity, particularly in terms of social media and online practices. Researchers plan to analyze blogs, interview churchgoers, and examine the role of social media in shaping Orthodox traditions.

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 technology accelerates the science of deceleration

A new technology accelerates the science of deceleration by designing self-lubricating brakes that prevent wear-and-tear and have better frictional properties than current market brakes. The breakthrough could lead to smaller, more efficient, and cost-effective brake pads for cars and trains.

How marine snow cools the planet

Scientists at the University of Sydney have modelled how marine snow absorbs carbon dioxide over millennia, keeping the planet cool. The study found that carbonate accumulation in deep-sea sediments has increased significantly over time, with a net increase in total volume of carbonate sediments in the oceans.

Preclinical data shows combination immunotherapy could stop liver cancer growth

Researchers at the University of California San Diego School of Medicine have made breakthroughs in treating liver cancer with a combination immunotherapy approach. This therapy successfully suppresses tumor growth and induces complete remission in some mouse models, offering new hope for patients diagnosed with this devastating disease.

Stress hormones promote breast cancer metastasis

Breast cancer researchers found that stress hormones increase glucocorticoid receptor activity in metastatic cells, leading to tumor heterogeneity and reduced chemotherapy effectiveness. Synthetic derivatives of stress hormones also decrease chemotherapy efficacy.

Celestron NexStar 8SE Computerized Telescope

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

New cell subtypes classified in mouse brain

Scientists from Cold Spring Harbor Laboratory have developed a novel platform to classify neurons in a mouse brain based on shape, connectivity, and location. This comprehensive approach enables precise identification of neuronal subtypes, such as axo-axonic cells, and sheds light on their unique characteristics.

Perceptions about social demographic motivates parents to choose Free Schools

A new study published in the Cambridge Journal of Education found that parents' perceptions about the social demographic and environment of local mainstream schools drive their choice of Free Schools. Academic quality and school performance were key factors, with smaller class sizes and a traditional approach also being important.

Cardiorespiratory fitness of farmed Atlantic salmon unaffected by virus

A new study published in Frontiers in Physiology found that farmed Atlantic salmon's respiratory systems function normally even when carrying large loads of the piscine orthoreovirus. The research, conducted at the University of British Columbia, suggests that infected fish do not experience significant harm to their physiology.

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 day the world burned

Researchers have discovered evidence of a major cosmic impact event in southern Chile, dating back to around 12,800 years ago. The impact is believed to have caused rapid climatic changes, biomass burning, and the extinction of megafauna, with similar effects observed in North America and Western Europe.

ALMA observes the formation sites of solar-system-like planets

Researchers have spotted two rings of dust around a young star, suggesting the formation of a planetary system similar to our own. The observations provide clear answers to previous models, with one ring at the asteroid belt location and the other at the Neptune orbit.

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.

Rice U. study highlights danger of vitamin B12 deficiency

A Rice University study found that a B12-deficient diet harms nematodes' health, reducing their ability to metabolize branched-chain amino acids and leading to mitochondrial damage. This increase in mitochondrial toxicity also enhances resistance to multiple stressors and pathogens.

Physicists reverse time using quantum computer

Researchers successfully reversed the state of a quantum computer a fraction of a second into the past and calculated the probability of an electron in empty interstellar space spontaneously traveling back into its recent past. The phenomenon occurs due to a random fluctuation in the cosmic microwave background, with the reverse evolut...

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.

Tracking urban gentrification, one building at a time

A new deep-mapping computer model detects visual changes to individual properties, allowing researchers to track gentrification in neighborhoods and cities. The model achieved 95% accuracy in detecting gentrification indicators, revealing detailed maps of spatial evolution of gentrification through time.

Later abortion increased in Texas after House Bill 2

A new study found that restrictive abortion laws led to delayed access to care and increased second-trimester abortions in Texas. Women facing barriers were more likely to have second-trimester abortions due to distance, clinic density, and wait times.

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.

Hungry moose more tolerant of wolves' presence

New research from University of Wyoming scientists found that hungry moose are less likely to change their behavior to avoid wolves as winter progresses. Moose movements increased in early winter following encounters with wolves, but only when wolves were within a specific distance.

Having great-grandparents, cousins with Alzheimer's linked to higher risk

Researchers found that individuals with second- and third-degree relatives who have had Alzheimer's are more likely to develop the disease. Having one first-degree relative and one second-degree relative increases risk by 21 times, while having four first-degree relatives increases risk nearly 15 times.

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.

The world's adolescents -- large unmet needs and growing inequalities

The study reveals that adolescent health has not kept pace with population growth, with significant increases in obesity, anaemia, and non-communicable diseases. Investments in adolescent health are needed to address these challenges, particularly in low-income countries where adolescents carry a heavy disease burden.

A new therapeutic target for blocking early atherosclerosis in progeria

Researchers have discovered a new molecular mechanism involved in premature atherosclerosis in mice with Hutchinson-Gilford progeria syndrome. The study identifies tauroursodeoxycholic acid as a potential therapeutic target that slows the progression of atherosclerosis and extends lifespan in progeroid mice.

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.

Some children can 'recover' from autism, but problems often remain

A new study by Albert Einstein College of Medicine found that 38% of children diagnosed with ASD no longer meet diagnostic criteria, but many continue to struggle with language and learning disabilities, emotional and behavioral problems. Only 3% recovered from ASD with no other issues.