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Science News Archive 2015


Page 223 of 402

Night driving restriction reduces young driver crashes

Research from Monash University and Harvard Medical School reveals that restricting teenagers from driving unsupervised at night can significantly reduce car crashes. The study found a 19% decrease in crash rates for drivers aged 16-17, as well as substantial reductions in nighttime crashes and fatal injuries.

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.

Environmental activism works, study shows

A Michigan State University study found that environmental activism can mitigate the negative impacts of population growth and economic affluence on greenhouse gas emissions. The research, published in Proceedings of the National Academy of Sciences, showed that states with strong green voices tend to have lower emissions.

How an animal's biochemistry may support aggressive behavior

Winning fish in Siamese fighting fish battles can generate more muscle energy than losing fish, highlighting the crucial role of biochemical processes. The study reveals how energy metabolism affects aggression in animals, contradicting the assumption that only conspicuous traits like antlers drive success.

A new method of converting algal oil to transportation fuels

A new method of converting squalene from microalgae to gasoline or jet fuel has been developed by Tohoku University researchers. The process uses a highly dispersed ruthenium catalyst supported on cerium oxide, producing branched alkanes with high stability and low freezing points.

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.

Theory turns to reality for nonlinear optical metamaterials

A research team at Georgia Institute of Technology has realized a nonlinear material with opposite refractive indices at the fundamental and harmonic frequencies of light, as predicted theoretically. This discovery has significant implications for controlling light in information processing, sensing, and signal generation.

Elder abuse is common around the world

Elder abuse is a common issue globally, affecting up to 47% of older adults with dementia in North America. The prevalence varies widely across regions, with higher rates found in Asia and lower rates reported in some African countries.

JCU team finds 'unprecedented' earthquake evidence in Africa

Researchers used innovative methods to examine the ground around Mbeya in Tanzania, finding evidence of fluidisation and massive ground deformation. This discovery could be used to model how structures might be affected by future earthquakes, providing a valuable tool for hazard assessment.

Researchers discover new enzyme, link to iron in vitamin A synthesis

A team of scientists has discovered a new enzyme that plays a critical role in the biosynthesis of vitamin A in plants and its unexpected dependence on heme iron. The findings could help increase the levels of provitamin A carotenoids in food crops, reducing global vitamin A deficiency.

Apple iPhone 17 Pro

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

Love and money: How low-income dads really provide

A study found that low-income noncustodial fathers spend an average of $60 a month on in-kind provisions, while those paying formal child support spend about $38 a month. The most disadvantaged dads tend to give a higher proportion of their support through gifts.

New study finds battlegound state polling worked until 2012 election

A statistical analysis of poll performance in battleground states over the last three presidential elections shows polling firms produced estimates that were fairly accurate in 2004 and 2008, but underestimated support for President Obama in 2012. The authors attribute this to outdated sampling methodology that excluded cellphone-only ...

Small thunderstorms may add up to massive cyclones on Saturn

Researchers at MIT propose that Saturn's polar cyclones are caused by small thunderstorms building up angular momentum, leading to the formation of large and long-lasting vortices. The team developed a model that predicts which planets would form such cyclones based on two parameters: atmospheric energy and storm size.

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.

ALK1 protein may play a role in breast cancer metastasis

Researchers found that high levels of ALK1 protein in breast tumor vasculature correlate with increased risk of metastatic disease. An investigational drug targeting ALK1 prevented disease spread in preclinical studies, offering a potential new therapeutic approach for treating metastatic breast cancer.

More dialysis patients living in poor neighborhoods

A recent study published in Hemodialysis International found that the association between poverty and kidney disease changes over time. Adults beginning dialysis are more likely to be living in a poor zip code, with rates increasing from 27.4% in 1995-2004 to 34% in 2005-2010.

Patients struggle to stick to their diet when they choose a plan they like

A randomized trial found that patients assigned a diet they liked lost less weight and reported lower dietary adherence than those assigned a diet by their physician. The study suggests that choosing a diet based on food preferences may make it difficult for dieters to scale down on the amount they eat.

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.

Bumble bees in the last frontier

A two-year study on bumble bees in Alaskan agricultural areas reveals declining populations of the western bumble bee species Bombus occidentalis, which is infected with Nosema and social parasites. The research provides baseline data for understanding reported patterns of bumble bee declines in North America.

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.

From data to tomato

UCSB, UC Davis, and PowWow Energy receive $2.3 million in funding to deploy a method to measure groundwater use and provide irrigation best practices for California's major crops such as alfalfa, almonds, pistachios, and tomatoes. The project aims to optimize agricultural water and energy efficiency during drought years.

Gene therapy prevents Parkinson's disease in animal model, says Pitt study

Researchers at the University of Pittsburgh School of Medicine have developed a gene therapy that reduces production of brain protein α-synuclein, preventing Parkinson's disease progression in an animal study. The therapy targets mitochondria and α-synuclein interaction, showing promising results in protecting dopamine neurons.

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.

Wheat fires outside of Huaibei, China

In June, nearly three-quarters of all fires in the North China Plain occur, fueled by wheat residue burning. The practice, though prohibited, remains common due to its cost-effectiveness in clearing fields and fertilizing soil.

USF biologists: Biodiversity reduces human, wildlife diseases and crop pests

A University of South Florida study confirms the dilution effect hypothesis, suggesting biodiversity loss poses a public health threat by causing disease outbreaks. The research found broad evidence that species-rich communities suffer less infectious disease, implying maintaining biodiversity could reduce parasite abundance.

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.

Randomized controlled trials must be simplified to sustain innovation

Cardiovascular outcomes trials are considered a high-risk venture due to long treatment periods and large sample sizes required to demonstrate incremental risk reduction. Simplifying randomized controlled trials could bring new therapies to market sooner, mitigating the impact of exclusivity loss and reducing development costs.

Evolution study finds massive genome shift in one generation

A study on the apple maggot pest discovered a massive genome shift in just one generation, with 32,000 genetic changes occurring within a single year. This significant finding highlights the importance of ecological selection at early stages of divergence and calls for further integration of studies on speciation and genome divergence.

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.

Why did the dinosaur cross the equator...but choose not to live there?

Triassic dinosaurs failed to populate the tropics due to a highly unpredictable hot and dry climate, with extreme wildfires and elevated CO2 levels, making vegetation scarce. This study sheds light on the interplay between climate change and ecosystem evolution at low latitudes, providing new insights into the rise of dinosaurs.

Underground ants can't take the heat

A new study from Drexel University found that underground species of army ants are less tolerant of high temperatures than their aboveground relatives. The research highlights the importance of considering microhabitat in predicting animal responses to climate change.

Bacterial genome scalpel can identify key gene regions

Researchers at North Carolina State University developed a precision scalpel to excise target genomic regions, revealing essential and non-essential genes. The CRISPR-Cas system enables targeted editing of DNA sequences, allowing for the identification of core genomic regions critical for bacterial survival.

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.

World's thinnest lightbulb -- graphene gets bright!

Researchers at Columbia University have successfully demonstrated an on-chip visible light source using graphene, a single layer of carbon atoms. The graphene-based light emitter can be integrated into chips and is expected to revolutionize the development of photonic circuits and displays.

Study examines trends in smoking among health students

The study found a significant decline in smoking rates among nursing and physiotherapy students in Spain from 2003 to 2013. Many students remained unaware of the link between smoking and diseases, indicating a deficiency in undergraduate training.

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.

Why big dinosaurs steered clear of the tropics

The study reveals that wild climate swings in the tropics made it difficult for large, warm-blooded dinosaur herbivores to survive. The researchers found that wildfires swept the landscape during arid regimes, continually reshaping vegetation available for plant-eating animals.

How the Epstein-Barr virus hides in human cells

Researchers at Helmholtz Zentrum München have found that the viral protein LMP2A helps EBV-infected cells evade immune detection. This may contribute to the development of cancer, particularly in nasopharyngeal carcinoma and Hodgkin's lymphoma.

Big dinosaurs steered clear of the tropics

Scientists have discovered that dinosaurs remained rare near the equator during the late Triassic period due to extreme climate fluctuations and wildfires that fueled hotter fires. The study revealed a pattern of rapid vegetation changes related to climate shifts, which led to droughts and plant die-offs.

Conservation policies could improve human health

A study published in PNAS found that strictly protected areas, like parks and reserves, have lower incidences of malaria, acute respiratory infections, and diarrhea. By preserving biodiversity, these areas can act as a barrier to disease transmission, suggesting a potential double win for public health benefits.

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.

Genetic switch lets marine diatoms do less work at higher CO2

A new study reveals how a common species of diatom adjusts to sudden and long-term increases in carbon dioxide. The research found that diatoms decrease photosynthesis and respiration to balance the cell's energy budget when CO2 levels remain high for a long time.

Bistatic/multistatic synthetic aperture radar: Approaching the new era

Researchers have developed a novel deformation monitoring technique using bistatic differential interferometry with GNSS as transmitters, achieving high accuracy and low cost. The method combines DGNSS and D-InSAR for real-time subsidence monitoring, potentially replacing traditional techniques and enhancing national security.

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.

Palm oil price change could save tigers, other species

A new study finds that shoppers' willingness to pay more for sustainably grown palm oil could create profitable incentives for producers to preserve certain wildlife habitats. The study shows that higher prices for 'conservation grade' products can promote biodiversity at the least cost to oil palm companies.