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Science News Archive August 2015


Page 28 of 32

Cyanobacteria can manufacture biocatalysts for the industry

Researchers at Ruhr-University Bochum have successfully manufactured biocatalysts suitable for industrial applications by harnessing the power of cyanobacteria's photosynthesis. The production process uses carbon dioxide and water as source materials, eliminating the need for mineral oil-based resources.

Penn study details powerful molecular promoter of colon cancers

Researchers at the University of Pennsylvania have discovered a key factor in colon cancer development, finding that suppression of microRNA families leads to intestinal tumors. The study reveals how protein Hmga2 promotes cancerous growth and is associated with advanced tumor stages and reduced survival.

River buries permafrost carbon at sea

A new study found that Arctic rivers, such as the Mackenzie River, are responsible for burying large amounts of organic carbon from thawing permafrost at sea. This process locks away carbon dioxide and helps stabilize the earth's CO2 levels over time, providing a potential natural sink for excess greenhouse gas emissions.

Celestron NexStar 8SE Computerized Telescope

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

Apple iPhone 17 Pro

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

Normalization of testosterone level after testosterone replacement therapy

Research suggests that normalization of testosterone levels through TRT is associated with lower mortality and fewer cardiovascular events in men without a previous history of myocardial infarction or stroke. The study used a large cohort of male veterans to establish this link, highlighting the potential benefits of adequate TRT dose

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.

Scientists solve planetary ring riddle

A breakthrough study by the University of Leicester team, led by Professor Nikolai Brilliantov, reveals that planetary rings have a universally similar particle distribution. The researchers solved the 'amazing' mathematical inverse cubes law of particle size distribution, suggesting that Saturn's rings are in a steady state that does ...

Molecular trick alters rules of attraction for non-magnetic metals

Researchers at the University of Leeds have successfully altered quantum interactions to generate magnetism in non-magnetic metals by removing electrons using a carbon molecule interface. This breakthrough enables the use of abundant and harmless elements like carbon and copper, crucial for future technologies such as quantum computers.

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.

High salt intake could be a risk factor for multiple sclerosis

New research suggests that high salt diets may exacerbate autoimmune neuroinflammation in individuals with specific genetic backgrounds, particularly females. The study found that mice fed a high salt diet exhibited worsened clinical signs of multiple sclerosis, while those with certain genetic variants showed no response to salt.

Why the long face? Horses and humans share facial expressions

Researchers developed the Equine Facial Action Coding System (EquiFACS) to identify individual facial expressions in horses. The study found that horses share a rich repertoire of complex facial movements with humans and chimps, suggesting evolutionary parallels in communication.

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.

Bariatric surgery procedure lowers tolerance for alcohol

A study published in JAMA Surgery found that women who underwent Roux-en-Y gastric bypass surgery had a faster increase in blood alcohol concentration and reported greater feelings of drunkenness. This alteration in alcohol metabolism increases the risk of developing alcohol use disorders, highlighting the need for public awareness.

How white blood cells limit muscle regeneration

Researchers identified a protein produced by white blood cells that puts the brakes on muscle repair. Removing CD163 from mice boosted muscle repair and recovery of blood flow after ischemic injury. The findings point to a target for potential treatments aiming to enhance muscle regeneration.

Long-term ovarian cancer survival higher than thought

A UC Davis study found that nearly one-third of ovarian cancer patients survived at least 10 years after diagnosis, contradicting the common perception of poor survival rates. The research also identified younger, earlier-stage disease and lower-risk tumor types as factors associated with longer survival.

$1.5 million gift to JAX establishes Sims Family Fund for SMARD Research

A $1.5 million gift will support research in spinal muscular atrophy with respiratory distress (SMARD), a rare condition affecting fewer than 70 reported cases worldwide. The funding will enable the development of effective treatments and therapies for children impacted by this devastating disease.

Meta Quest 3 512GB

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

New medical research reporting requirements may lead to fewer positive outcomes

Large-budget clinical trials evaluating drugs or dietary supplements for cardiovascular disease reported fewer positive outcomes after new transparent reporting standards were implemented around 2000. The study found that 57% of trials from 1970-1999 reported positive results, compared to only 8% of trials from 2000-2012.

Two spin liquids square off in an iron-based superconductor

A new study reveals an iron-telluride material develops superconductivity without long-range electronic or magnetic order, with a competing disordered magnetic phase. The researchers found that the ordering is extremely local and fleeting, similar to a liquid-like behavior.

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.

Population changes, priorities cause woodlands to increase

A study monitors trends on woody encroachment in three Central Texas settings, finding a significant correlation between population changes and woody cover decreases. The researchers used time-series aerial imagery and historical census data to quantify the relationship between human demographics and land use patterns.

Source of liver stem cells identified

HHMI scientists have discovered functional liver stem cells that proliferate and give rise to mature hepatocytes, even in healthy livers. The newly found stem cells require Wnt signals to maintain their identity and are responsible for replenishing the liver's population.

Milky Way-like galaxies may have existed in the early universe

A new simulation by Carnegie Mellon University researchers suggests that large disk galaxies, like the Milky Way, might have formed in the early universe. The BlueTides simulation, which is 100 times larger than previous simulations, shows a number of disk galaxies existing at 500 million years post-Big Bang, challenging long-held theo...

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.

Spaceflight may increase susceptibility to inflammatory bowel disease

A new study suggests that spaceflight can disrupt intestinal homeostasis and increase colitis susceptibility in mice. The research found altered composition of intestinal bacteria, decreased regulatory T cells, and increased neutrophils in the colon tissues of hindlimb-suspended mice.

Scientists solve structure of important protein for tumor growth

Researchers at Sanford Burnham Prebys Medical Discovery Institute solved the structure of hypoxia-inducible factors (HIFs), important regulators of tumor response to low oxygen. The findings identify potential targets for new cancer drugs, which could inhibit HIF functions and reduce tumor growth.

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.

Pandas set their own pace, tracking reveals

Researchers tracked five pandas with GPS collars for three years, finding they exhibit three daily activity peaks - morning, afternoon, and midnight. This unique pattern may be linked to their low nutrition quality from bamboo consumption, allowing them to adapt to their environment.

Gastric bypass surgery lowers women's alcohol tolerance

A new study published in JAMA Surgery found that gastric bypass surgery can alter how the body metabolizes alcohol, leading to higher and more rapid blood-alcohol levels. Women who underwent the surgery experienced changes similar to those seen in men, with a significant increase in blood-alcohol content after consuming just two drinks.

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.

Students create tool to stop pests in their tracks

Three college students developed ComFlo, an interactive website that visualizes domestic transport of commodities in the US. The tool helps identify pathways for invasive species and informs resource allocation for prevention.

The Alan Turing Institute signals progress on many fronts

The Alan Turing Institute has made significant progress in its first few days of operations, with the appointment of Professor Andrew Blake as its first Director. The Institute will promote the development and use of advanced mathematics, computer science, algorithms, and big data for human benefit.

'Yolks' and 'shells' improve rechargeable batteries

Researchers at MIT have developed a novel electrode made of nanoparticles with a solid shell, and a yolk that can change size without affecting the shell, improving cycle life and energy storage. The use of aluminum as the key material has proven to be high-rate champion among high-capacity anodes.

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.

How makerspaces can be more accessible to people with disabilities

Researchers at the University of Washington have released new guidelines to ensure makerspaces are accessible to people with disabilities. The guidelines address unique challenges faced by students with various disabilities, including visual impairments and motor impairments.

Sandcastles inspire new nanoparticle binding technique

Researchers from NC State University developed a new method to bind nanoparticles using oily liquid shells, mimicking the formation of sandcastles. The technique creates ultraflexible microfilaments and networks with reversible binding, enabling dynamic reconfigurable multifunctional materials.

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.

New articles on butterfly conservation from Oxford Journals

Research on monarch butterfly conservation highlights declining population trends, with survival rates dropping from 1997 to 2014. The studies also suggest that Karner blue butterflies are being protected through a cutting-edge recovery program in Wisconsin.

When new parents become unhappy, brothers and sisters become less likely

A study by the Max Planck Institute found that parents experiencing a drop in happiness after the birth of their first child are less likely to have a second child. The effect is strongest for well-educated and older parents. In fact, only 58 out of 100 couples who reported a significant decline in happiness had a second child within t...

New survey on Americans' views on law enforcement, violence, and race

A new national survey found nearly three-quarters of black respondents consider violence against civilians by police as extremely or very serious, while less than 20% of whites share the same view. The poll also finds agreement across racial groups on many causes of police violence and potential solutions.

Power grid forecasting tool reduces costly errors

Researchers at PNNL developed a new forecasting tool that can accurately predict electricity needs, reducing errors and costs. The Power Model Integrator uses an ensemble of models to adaptively combine strengths and address various scenarios, improving accuracy by up to 50%.

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.

How stock market's 'spare tire' keeps economy churning during banking crises

A new study found that firms in countries with strong shareholder protection laws raised more money through stock sales, performed better in terms of profits and investment efficiency, and terminated fewer employees than similar firms in countries with weaker shareholder protection laws. Stronger shareholder protection laws allow the s...

Want to improve your health? Focus on nutrition and not weight

A new study published in The FASEB Journal suggests that nutritional deficiencies can lead to chronic inflammation, which may be the underlying cause of weight gain. Participants who consumed nutrient bars daily for two months showed significant improvements in various health markers, including weight loss and improved cholesterol levels.