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Science News Archive 2015


Page 213 of 402

Commodity market volatility more perception than reality

Researchers found that commodity price bubbles were short-lived and not as frequent as thought. Bubbles in the grain markets occurred more often during periods of production problems rather than speculative activity. The study's findings suggest that the commodity market is doing a good job of accessing prices, with only minor hiccups.

'Pick and mix' smart materials for robotics

Scientists at the University of Cambridge developed a method to combine multiple functions in a single material by integrating structure at the nanoscale. This approach enables the creation of multi-functional artificial muscles that can move, sense, and report on their environment.

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.

Mirror-like display creates rich color pixels by harnessing ambient light

Researchers at Qualcomm MEMS Technologies developed a display technology that harnesses natural ambient light to create an unprecedented range of colors. The new design uses a mirror and absorbing layer to reflect more of the incoming light, enabling the full spectrum of visible light to be displayed.

Fewer than 1 in 10 older heart patients get life-saving defibrillators

A Duke University Medical Center study found that older heart patients with reduced function may benefit from defibrillators, which can lower the risk of death by one-third. However, the devices are underutilized due to factors such as advanced age, transitions in care, and mandatory waiting periods.

Neutron star's echoes give astronomers a new measuring stick

Researchers have developed a new method to estimate distances to X-ray sources using the geometry of light echoes and dust clouds. By analyzing the timing and deflection of X-rays as they pass through interstellar space, astronomers can calculate the distance to Circinus X-1, a binary system located in the plane of the galaxy.

Diabetes medication reduces dementia risk

A study analyzing health insurance data found that long-term treatment with pioglitazone significantly decreases the risk of developing dementia in patients with type 2 diabetes. The medication lowers the risk by approximately half compared to non-diabetics, with a notable protective effect against Alzheimer's disease.

New model calculates how air transport connects the world

A new model by MIT researchers analyzes flight schedules and ticket sales to determine global air transport connectivity. The study finds that one-stop flights have become more important over time in connecting regions, despite being less preferred by passengers.

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.

Physicists fine-tune control of agile exotic materials

Researchers have successfully controlled the length and strength of waves of atomic motion, promising applications in fine-scale imaging and information transmission. Hybrid polaritons propagate throughout many layers of a crystalline material and can be tuned with an electronic gate.

Drugs for impotence do not increase risk of melanoma

Researchers from Umea University found no association between PDEi drugs and increased melanoma risk; instead, men taking these drugs are more health-conscious and sunbathe more often, increasing their melanoma diagnosis risk.

Louisiana Tech University chemistry student awarded EPA Fellowship

Joshua Tully, a Louisiana Tech University chemistry student, has been awarded a Greater Research Opportunities (GRO) Fellowship by the EPA for his research on natural clay nanotubes. The fellowship provides a year of academic support and internship experience, valued at up to $50,000.

Apple iPhone 17 Pro

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

Biomanufacturing of CdS quantum dots

A team of Lehigh University engineers has developed a novel approach for the reproducible biosynthesis of extracellular, water-soluble quantum dots using bacteria and cadmium sulfide. This method reduces cost and environmental impact by utilizing an engineered strain of Stenotrophomonas maltophilia to control particle size.

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.

The shame of psychology

UCSB sociologist Thomas Scheff argues that psychology's scientific method is blind to the insights of intuition, leading to misconceptions about catharsis, stigma, and self-esteem. Future studies could split scales into cognitive and emotional components to address these issues.

Photo selection study reveals we don't look like we think we look

A new study published in the British Journal of Psychology found that people tend to choose poorly matching passport photos, leading to lower accuracy in face recognition. Strangers were surprisingly more reliable at judging likeness than individuals themselves, with self-selected images being matched seven per cent less accurately.

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.

Quiet that ringing in the brain

A new drug, SF0034, selectively affects potassium channels in the brain to treat epilepsy and prevent tinnitus. It has shown promise in preventing seizures in animals and is being developed as a potential treatment for both conditions.

Researchers identify new class of antifungal agents

Researchers have identified two compounds that target the synthesis of fungal glucosylceramide, leading to highly effective antifungal activity. These new agents may pave the way for a new class of antifungals to treat serious fungal infections, which cause significant morbidity and mortality worldwide.

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.

OSIRIS-REx team prepares for next step

The OSIRIS-REx team is preparing to ship its instruments to the spacecraft's assembly facility, with a launch date of September 2016. The mission aims to bring back a small sample from asteroid Bennu for study, providing insights into the asteroid's composition and properties.

Current blood cancer drug prices not justified, MD Anderson study finds

Current blood cancer drug prices are too high to be considered cost-effective in the US, according to a recent MD Anderson Cancer Center study. The researchers found that 63% of 20 studies evaluated had costs per additional life-year higher than $50,000, indicating that current prices cannot be justified based on improved quality of life.

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.

Toward tiny, solar-powered sensors

MIT researchers have created a new ultralow-power circuit that can harness more than 80% of the energy from tiny solar cells, enabling it to run for months without battery changes. The chip achieves this efficiency improvement while powering devices directly from batteries.

NASA sees Tropical Storm Kujira move into the Gulf of Tonkin

Tropical Storm Kujira made landfall on Hainan Island, China, with surface wind speeds near 65 knots, according to NASA's RapidScat data. The storm then moved into the Gulf of Tonkin, where it was centered near 20.1 North latitude and 107.8 East longitude, with maximum sustained winds near 35 knots.

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.

When certain consumers bought its lemonade, did Frito-Lay groan?

A study found that a small group of consumers who consistently purchase and rave about failing products may actually be 'harbingers of failure.' These customers tend to buy niche items that few others choose. Retailers can use this insight to make better decisions about new products.

Trinity scientists persuade volcanoes to tell their stories

Researchers at Trinity College Dublin have discovered a way to extract information from magma crystals, allowing them to reconstruct the history of global geography and predict future eruptions. This new method has the potential to improve our understanding of volcanic activity and provide more accurate predictions for eruptions.

Survey: Many doctors misunderstand key facets of opioid abuse

Primary care physicians incorrectly thought that abuse-deterrent pills were less addictive than standard counterparts, despite evidence showing they are equally addictive. The study highlights the importance of patient and provider education regarding abuse-deterrent products.

Celestron NexStar 8SE Computerized Telescope

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

Nanowire implants offer remote-controlled drug delivery

A team of researchers has created a new implantable drug-delivery system using nanowires that can be wirelessly controlled, allowing for precise and targeted treatment. The system showed promise in reducing inflammation and scar formation in mice with spinal cord injuries.

Can heat be controlled as waves?

Thermal phonons can interfere with their own reflections, suggesting that heat transport occurs through wave-like phenomena. This interference could be used to modify the velocity of phonons and create energy bandgaps, leading to new materials with low thermal conductivity.

Medical marijuana 'edibles' mostly mislabeled, study shows

A study found that most edible cannabis products sold in dispensaries carried labels with inaccurate THC levels, posing a risk to patients. The researchers called for better regulation and oversight of marijuana edibles to prevent overdosing and ensure accurate labeling.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Study concludes that racehorses are getting faster

A new study from the University of Exeter has found that racehorse speeds have improved greatly since 1850, with increases in speed greatest in shorter distance races. The researchers used a large data set of racing records to analyze thoroughbred performance at the elite level and found that horses are getting faster.

Rare neurons enable mental flexibility

Researchers at OIST have confirmed that specific cholinergic interneurons play a key role in maintaining behavioral flexibility by inhibiting old rules and encouraging exploration. Rats with damaged neurons had difficulty adapting to rule changes, highlighting the importance of these neurons in decision-making.

The true cost of fueling conflict

A recent study by Concordia University researchers found that the US Department of Defense overspends on fuel costs by $1-9 billion annually, with a volatile crude oil market exacerbating the issue. Improving planning and budgeting practices could help mitigate these risks, according to the study.

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.

Road traffic noise linked to deaths and increased strokes

Living in areas with high road traffic noise may reduce life expectancy due to an increased risk of heart or blood vessel disease. Adults and the elderly living in noisy areas were found to be more likely to die from cardiovascular disease and experience strokes.

Disabled people pilot a robot remotely with their thoughts

A team of researchers has successfully developed a brain-machine interface that allows paralyzed individuals to remotely control robots with their thoughts. The technology has shown excellent results, enabling users to interact with the robot's surroundings and avoid obstacles without requiring any physical movement.

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.

Holding on to the blues: Depressed individuals may fail to decrease sadness

New research suggests that depressed people often choose to increase rather than decrease their sadness in daily life. Studies found that depressed participants preferred sad music and re-watched sad images more frequently than non-depressed individuals. The findings highlight the importance of motivation in regulating emotions.

Astronomers explain why a star is so hot right now

Astronomers have solved a mystery over blue hook stars, which form when a star's outer layers are destroyed by rapid rotation. The international team found that these stars consume hydrogen fuel more slowly due to their high spin rates.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Robust new process forms 3-D shapes from flat sheets of graphene

The researchers have developed a robust approach to integrate graphene onto 3D microstructured surfaces, maintaining the structural integrity of graphene. The process incorporates three sequential steps: substrate swelling, shrinking, and adaptation, allowing for damage-free integration of graphene on 3D microstructures.

Smoking may impact survival after a breast cancer diagnosis

Pre-menopausal smokers with breast cancer are at a higher risk of dying from the disease and any cause, according to a new study. The research found that smoking can impact breast cancer survival rates, especially among women whose cancers express estrogen receptors.

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.