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Science News Archive 2014


Page 188 of 376

Trial examines treatment for psychogenic nonepileptic seizures

A clinical trial found that patients with psychogenic nonepileptic seizures (PNES) experienced a significant reduction in seizures and improvements in related symptoms, including depression and anxiety, when treated with cognitive behavioral therapy informed psychotherapy (CBT-ip) alone or in combination with the medication sertraline....

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.

Lights out… light pollution alters reproduction cycle in lemurs

Researchers found that light pollution disrupts the reproductive cycle of mouse lemurs, causing testes to grow larger and testosterone levels to increase. The study also showed that light pollution affects the daily activity pattern of lemurs, delaying their nocturnal behavior.

Boron tolerance discovery for higher wheat yields

Researchers from the University of Adelaide have identified specific genes in wheat that enable tolerance to boron toxicity, a significant yield-limiting soil condition. This discovery will help plant breeders develop new varieties with increased yields to feed the growing world population.

Researchers invent 'meta mirror' to help advance nonlinear optical systems

Researchers at UT Austin have created a nonlinear metasurface that can reflect radiation at twice the input light frequency, producing approximately 1 million times larger frequency-doubled output. The new metamaterial has potential applications in advanced laser systems for chemical sensing and biomedical research.

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.

Insect diet helped early humans build bigger brains, study suggests

A study suggests that early humans who relied on an insect diet during lean seasons may have developed bigger brains and higher-level cognitive functions. Capuchin monkeys' foraging patterns for insects reveal a link between seasonal food scarcity and sensorimotor skills, including tool use and problem-solving.

Research could lead to dramatic energy savings at data farms

Researchers at Washington State University have developed a wireless network on a computer chip that can reduce energy consumption in data farms. The technology allows for wireless links between cores, resulting in less energy loss and higher data transfer speed.

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.

Foodborne bacteria not as harmless to chickens as previously thought

Researchers discovered that foodborne pathogen Campylobacter jejuni can cause problems in chickens' gut and damage their feet and legs when they walk through contaminated excrement. The bacteria's impact varied among breeds, with one showing significant damage to the gut and developing diarrhea.

Genetically driven gut feelings help female flies choose a mate

In a study published in Current Biology, researchers found that the Abdominal-B gene controls a set of neurons responsible for a major part of female fly receptivity. This discovery provides insight into the neural circuitry that drives courtship behavior on the female side.

Some stem cell methods closer to 'gold standard' than others

A new study finds that stem cells created by moving genetic material from a skin cell into an empty egg cell more closely resemble human embryonic stem cells than traditionally induced pluripotent stem (iPS) cells. The method, known as nuclear transfer, results in cells with fewer reprogramming issues and better gene expression patterns.

Overcoming light scattering: New optical system sees deeper inside tissue

Researchers have developed a single-pixel optical system that can overcome light scattering in tissue, enabling transmission of images through scattering media. The technique uses compressive sensing to compress large data files as they are measured, allowing it to reconstruct the image and penetrate deeper into tissue.

Apple iPhone 17 Pro

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

Extinct human cousin gave Tibetans advantage at high elevation

Scientists have discovered that Tibetans inherited a gene from their extinct human cousin, the Denisovans, which helps them adapt to high-altitude plateaus with low oxygen levels. This variant of the EPAS1 gene allows Tibetans to survive at elevations above 15,000 feet without cardiovascular problems.

A tale of a tail -- Kangaroos' powerful 'fifth leg'

A Simon Fraser University study found that kangaroos employ a unique pentapedal gait, utilizing their tail in combination with front and hind legs to generate significant propulsive force. This discovery sheds light on the importance of timing and positioning during movement, particularly for individuals with mobility impairments.

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.

Fine-scale climate model projections predict malaria at local levels

Researchers used a statistical technique to downscale global climate models and found that population centers in cool, highland regions of East Africa may be more vulnerable to malaria than previously thought. The study suggests that fine-scale predictions can improve local adaptation and mitigation strategies.

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.

A 'magic moment' for unwed parents

A new study from Duke University found that unwed parents are more likely to marry when their child is young, with the 'magic moment' lasting longer than previously thought. However, the study also revealed that many of these marriages are fragile and do not last.

Scientists can now screen for stem cells that enhance corneal regrowth

Researchers at Harvard University have developed a method to collect the best cell type for regenerating damaged corneas, with purified human stem cells showing promise in improving long-term vision in mice. The discovery is expected to quickly translate into improved human therapies and could potentially restore the corneal surface.

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.

Finally, a mug shot for a crop-killing NH pest

Researchers at UNH's NHAES identified over 600 species of leafhoppers in New Hampshire, with about 40 being economically significant due to their disease-carrying abilities. The team found six leafhopper species known to carry X-disease, and provided guidance on management techniques to reduce the risk of outbreaks.

Inspired by nature, researchers create tougher metal materials

Scientists have developed a method to create stronger and more ductile metal materials by adjusting the internal structure, similar to bone and bamboo. This technique can be customized for various applications, including improving industrial steel's strength and ductility.

Purdue-designed tool helps guide brain cancer surgery

A Purdue-designed tool uses mass spectrometry to analyze brain tumor tissue, providing color-coded images that reveal the location and nature of tumor cells. The tool has been successfully used in two surgical procedures, offering a significant improvement over current methods.

Long jumpers do better with a spring in their step

Researchers found that taking off from a compliant surface like a springboard reduces the energy cost of long jumps compared to firm surfaces. This is due to a closer optimal take-off angle for maximum energy efficiency. For shorter distances, no difference was observed in energy expenditure between firm and springy surfaces.

Nuclear transfer appears superior for creating embryonic stem cells

Scientists at OHSU have found that nuclear transfer is superior to iPS method in reprogramming human skin cells into embryonic stem cells, with the former producing stem cells almost identical to those from in vitro fertilized eggs. The study's findings hold major implications for developing better embryonic stem cells and therapies.

Meta Quest 3 512GB

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

A million times better

Researchers at TUM and UT Austin developed nonlinear mirrors that reflect frequency-doubled output using input light intensity as small as a laser pointer. The new materials produce approximately one million times higher intensity of frequency-doubled output compared to traditional materials.

'Bone-house wasp' uses dead ants to protect their nest

A new species of spider wasp, the Bone-house Wasp, uses dead ants as a unique nest-protection strategy, resulting in lower parasitism rates. The study found that this behavior is likely linked to chemical cues emanating from the dead ants.

NASA sees a weaker Tropical Storm Douglas

Tropical Storm Douglas is weakening due to cooler waters and drier air in the Eastern Pacific Ocean. The storm's maximum sustained winds have decreased to near 45 mph, with forecasters predicting a gradual decline in strength over the next day.

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.

Hair from mummy's clothes provides insights into red deer lineage

A study published in PLOS ONE analyzed Neolithic deer hair from the Tyrolean Iceman's clothing to shed light on red deer lineage. The results indicate that Alpine Copper Age red deer falls within the western European lineage, contrasting with current populations in the Italian Alps which belong to the eastern lineage.

Stem cell type resists chemotherapy drug

A new study reveals that adipose-derived human stem cells can withstand high doses of the chemotherapy drug methotrexate, unlike other cell types. This finding has significant implications for developing an ASC-based therapy to promote bone growth and regeneration in cancer patients.

Becoming an expert takes more than practice

A recent study published in Psychological Science found that accumulated practice accounts for only about 12% of individual differences in performance across various domains. The study suggests that domain-specific factors, such as age and cognitive abilities, may play a more significant role in determining expertise.

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.

The plant that only grows when the going's good…

Scientists have identified a new mutant plant that stores excessive amounts of starch, allowing it to maintain its size despite reduced sucrose availability. The NEX1 mutant combines high growth rates with large starch reserves, making it an attractive candidate for crops used as silage and human feed.

Alcohol backing raises risk of athletes drinking more

A new study found that alcohol sponsorship in UK athletes is associated with higher odds of hazardous drinking and increased consumption. Sportspeople sponsored by an alcohol-related industry had higher rates of problem drinking compared to non-sponsored athletes.

The BMJ calls for Assisted Dying Bill to become law

The BMJ editorial advocates for the Assisted Dying Bill, citing a strong public consensus of 82% in favor, as well as Oregon's experience with assisted dying legislation. The bill aims to allow terminally ill adults to end their lives with medical assistance.

First national model for bovine TB calls for more focus on cattle

A new national model for bovine tuberculosis (bTB) in Great Britain highlights the need for improved testing, vaccination of cattle, and culling infected farms as effective strategies. The majority of herd outbreaks are caused by multiple transmission routes, including failed tests, cattle movement, and environmental reservoirs.

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.

Acute kidney injury, chronic kidney disease each a risk of the other

Acute kidney injury (AKI) and chronic kidney disease (CKD) are interconnected diseases sharing common risk factors and causes. The NIH study suggests that patients with either condition should be monitored for the other, as pre-existing CKD increases the odds of AKI by 10 times and vice versa.

Brisk walking may improve symptoms of Parkinson's

A study published in Neurology found that brisk walking improved motor function, mood, and tiredness by up to 15%, as well as increased aerobic fitness and gait speed. Participants who walked for 45 minutes, three times a week, over six months showed significant improvements in their symptoms.

Fluke 87V Industrial Digital Multimeter

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

Making dreams come true: Making graphene from plastic?

A domestic research team created a carbon material without artificial defects, maintaining graphene's characteristics, and developed a simpler production process. The new method can mass-produce high-quality graphene substitutes for solar cells and semiconductor chips.

Causes of serious pain syndrome closer to discovery

Researchers have made a breakthrough in understanding CRPS by replicating its symptoms in mice using antibodies from patients with the condition. The study suggests that autoantibodies may be the underlying cause of CRPS, offering hope for potential treatments.

'Deep learning' makes search for exotic particles easier

UCI researchers develop computing techniques that utilize deep learning to analyze data from particle accelerators, increasing the detection rate of rare particles by 8%. The methods could aid in the hunt for fundamental open questions about matter, gravity, and the origin of the universe.

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.

Hollow optical fibers for UV light

Researchers have developed a new type of optical fiber that can guide UV laser light without being damaged. The fiber has a hollow core with a diameter of 20 µm, which allows for single-mode transmission and reduces loss. This breakthrough enables new applications in precision spectroscopy, fluorescence microscopy, and process plasmas.

Only 25 minutes of mindfulness meditation alleviates stress

Researchers at Carnegie Mellon University discovered that brief mindfulness meditation practice alleviates psychological stress. The study showed that even just three consecutive days of 25-minute mindfulness sessions can reduce stress levels.

New approach for tuberculosis drugs

Researchers at ETH Zurich have developed a new approach for tuberculosis drugs, inspired by the bacteria-derived antibiotic pyridomycin. The new molecule is more stable and easier to produce synthetically, offering a potential solution to multidrug-resistant strains.