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Science News Archive December 2015


Page 21 of 32

Apple iPhone 17 Pro

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

Using 'big data' to fight flu

A recent study identified 20 previously unknown host molecules that enable influenza A viruses to replicate and spread. Blocking these host proteins can inhibit viral growth and slow disease progression in mice. The researchers developed a public web portal to facilitate drug development and analysis of host-protein interactions.

New details on link between epilepsy and suicide attempt

Researchers at Columbia University's Mailman School of Public Health report a strong association between new onset epilepsy and increased risk of suicide attempts. The study found that patients with new epilepsy had a nearly two-fold increased risk of recurrent suicide attempt compared to controls.

Genomic sequencing finds common link in congenital heart and brain disorders

Researchers discovered a single genetic mutation responsible for 20% of severe congenital heart disease cases accompanied by neurodevelopmental disorders. The study used genomic sequencing to analyze 1,213 children with congenital heart disease and identified a subset of genes that act as conductors in organ formation.

How skates and rays got their wings

A new study by scientists from the University of Chicago reveals that the unique pectoral fins of skates and rays are built using repurposed genes from typical limb-development pathways. The findings provide insight into the genetic mechanisms behind the evolution and diversification of vertebrate appendages.

It's all about polarity

Asymmetric cell division occurs when endosomes, containing signalling molecules, are distributed unevenly between daughter cells. The central spindle, a scaffold structure composed of microtubules, plays a crucial role in dispatching this information.

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.

UofL scientists enhance understanding of muscle repair process

University of Louisville scientists enhance understanding of muscle repair process by revealing the vital role of protein TAK1 in regulating satellite stem cells. The protein is required for satellite cell proliferation and survival to regenerate adult skeletal muscles after injury or disease.

Bacteriorhodopsin crystals consume their smaller counterparts

A team of scientists has discovered that larger crystals of bacteriorhodopsin grow by consuming smaller crystals around them, creating a depletion zone. This phenomenon was observed using fluorescence microscopy over the course of a month, showing how the distribution of protein in the sample changed with time.

Iceland volcano's eruption shows how sulfur particles influence clouds

A new study by the University of Washington uses a unique volcanic eruption in Iceland to measure the effect of sulfur emissions on clouds. The results confirm that volcanoes cool the planet not just by emitting particles high in the atmosphere, but also by releasing low-level sulfur to influence cloud formation.

TET proteins help maintain genome integrity

A recent study published in Nature Communications reveals that TET protein loss of function leads to rapid development of malignant cancer. The research found that mice lacking both Tet2 and Tet3 developed aggressive myeloid leukemia, highlighting the importance of TET proteins in maintaining genome stability and preventing cancer.

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.

Microplastics: Rhine one of the most polluted rivers worldwide

The Rhine River has been found to be among the most polluted rivers worldwide due to high levels of microplastic pollution. The river's surface contained an average of 892,777 particles per square kilometer, with some areas reaching peak concentrations of up to 3.9 million plastic items per square kilometer.

Plant-inspired power plants

A study by University of Pittsburgh researchers outlines a framework for developing catalysts that convert excess CO2 into liquid fuel. The catalyst's effectiveness is determined by its hydrogen adsorption energy and Lewis pair hardness, allowing for more efficient and inexpensive production.

Research looks at impact of hedge fund activism

Research found that hedge fund activism initially bolsters target companies but weakens competitors, potentially reducing innovation and consumer growth. Average investors are more likely to hold stock in competitor firms, which may face reduced investment in research and development.

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.

On-the-go ultrahigh vacuum storage systems

Researchers developed a portable ultrahigh vacuum storage system to securely transport air-sensitive platinum metal clusters for XAFS measurements. The 'suitcase' can store up to three samples and is designed for public transportation, reducing travel time and increasing accessibility.

Concerns over excessive testing of patients with type 2 diabetes

A large US study found that over half of patients with controlled type 2 diabetes receive more tests than recommended guidelines, leading to overtreatment and potential patient harm. The study also highlights fragmented care coordination as a possible reason for repeat tests.

Eliminating food deserts may not achieve improved dietary quality in the US

A recent study suggests that eliminating food deserts may not lead to improved dietary quality in the US. Instead, initiatives like education and changes to food assistance programs can have a greater impact on reducing disparities in diet quality. The authors argue that addressing these disparities is crucial for improving public health.

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.

Living longer and healthier in mind but not in body

New research shows women now spend more years with moderate or severe disability and 2.5 years more with mild disability compared to 20 years ago. Despite this, women's life expectancy at age 65 increased by 3.6 years, while men's life expectancy increased by 4.5 years.

A new theory describes ice's slippery behavior

A new theory explains how ice becomes slippery when a hard material slides across it, improving ski design and understanding glacier movement. The study uses experimental data to connect temperature and sliding speed to friction on ice.

Chewbaaka migrated from North America

The African cheetah's migration from North America was costly, resulting in a reduced gene pool and increased inbreeding rates. The species' genetic variation has been severely impacted, with only 90-99% of its original diversity remaining.

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.

What contributes to healthy living behaviors among children? It depends...

A study reveals that factors contributing to healthy living behaviors among children differ between countries, challenging the notion of a 'one-size-fits-all' approach. Short sleep duration and poor sleep quality are linked to unhealthy habits in high-income countries, while flexibility and discretionary time may play a role in low-inc...

UH optometrist wins Distinguished Service Award in eye care

Pat Segu, a clinical associate professor at the University of Houston College of Optometry, received the prestigious Distinguished Service Award from the Vision Care Section of the American Public Health Association. Her work in establishing clinics, programs, and associations has improved access to eye care for underserved communities.

Study finds high rate of depression among resident physicians

A systematic review and meta-analysis of 54 studies involving over 17,000 physicians found that nearly one-third screened positive for depression or depressive symptoms during residency. The overall pooled prevalence was 29%, with an increased prevalence in later calendar years.

Celestron NexStar 8SE Computerized Telescope

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

Study points to barriers to biologic treatments for some patients with psoriasis

A new study found that black patients receiving Medicare are less likely to receive biologic therapies for moderate to severe psoriasis than white patients, while those without low-income subsidy are also at a disadvantage. Psoriasis, a chronic inflammatory disorder, has limited therapeutic options due to high costs and limited insuran...

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.

Swiss foundation awards grant to Singapore-led aspirin cancer trial

A Singapore-led team, with support from the Swiss Rising Tide Foundation, is conducting a Phase III clinical trial to evaluate Aspirin as secondary prevention therapy for patients with established colorectal cancer. The study aims to determine the effectiveness of Aspirin in reducing cancer recurrence and mortality.

New discoveries redefine Angkor Wat's history

The temple of Angkor Wat has been found to be significantly larger and more complex than previously believed, featuring an entire ensemble of buried 'towers' and a massive structure bounded on its south side. The discovery challenges traditional understanding of the social hierarchy of the Angkor Wat community.

Fighting liver fibrosis, the wound that never heals

The Salk Institute has identified a drug called JQ1 that prevents and reverses liver fibrosis in animals, a condition that replaces normal liver cells with scar tissue until the organ no longer works. This discovery may also treat fibrosis in other organs such as the lung, pancreas, and kidney.

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.

Hip osteoarthritis may not appear on x-ray

Researchers found that hip x-rays are unreliable for diagnosing hip osteoarthritis in most cases, potentially delaying treatment and missing affected individuals. The study suggests that patients with suspected hip OA should be treated regardless of x-ray confirmation.

Fluke 87V Industrial Digital Multimeter

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

If you make impulsive choices you should blame your parents -- it's genetic

A recent study found that delay discounting, the tendency to choose smaller rewards now rather than larger ones later, is strongly influenced by genetics. As individuals age, their ability to wait for larger delayed rewards improves. The study suggests that genes related to serotonin synthesis and binding may play a role in impulsivity.

Breeding confident mink can have side benefits

A study by Aarhus University reveals that breeding confident mink can improve fur quality. The research found a strong correlation between confidence and pelt quality, suggesting that selecting for confident mink can lead to better welfare and fewer stress issues during handling.

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.

Why focusing on a visual task will make us deaf to our surroundings

A new UCL study found that concentrating attention on a visual task significantly reduces brain response to sound and increases failures to detect audible sounds. This phenomenon, known as inattentional deafness, has serious implications for everyday life and tasks requiring focus, such as operating theatres or driving.

Playing 3-D video games can boost memory formation, UCI study finds

A study published in The Journal of Neuroscience found that playing 3D video games improved memory performance by 12% in non-gamer college students, while 2D gamers did not. This suggests that environmental enrichment through immersive gaming may be a viable route to stem cognitive aging.

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.

Study: Text messages that end in a period seen as less sincere

Researchers at Binghamton University found that text messages ending with a period are rated as less sincere than those without punctuation. The study suggests that punctuation influences the perceived meaning of text messages and is used to convey emotions and social information.

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.

Studying soil to understand drought

A University of California, Riverside assistant professor will lead a team studying the role of soil in crop water use and response to drought. The research aims to design management strategies based on understanding soil carbon and its microbiome.