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Science News Archive November 2018


Page 3 of 42

New catalyst produces cheap hydrogen

A new composite material enables electrochemical water splitting into hydrogen and oxygen without emissions. The catalyst uses cobalt, nickel oxide, and gold nanoparticles to produce cheap, clean hydrogen for fuel cells. This innovation has the potential to store renewable energy on a large scale.

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.

Hospital-wide scores underestimate readmission risk in neurocritical care patients

A new study published in the Journal of Neuroscience Nursing found that hospital-wide scores significantly underestimate readmission risk in neurocritical care patients. The study used data from 279 patients and found that only 38 were readmitted within 30 days, but nearly two-thirds were misclassified as low-risk using existing models.

Weight cycling is associated with a higher risk of death

A new study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism reveals weight cycling is associated with a higher risk of death. Conversely, weight loss from weight cycling can reduce diabetes risk in people with obesity.

Apple iPhone 17 Pro

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

A new way to create Saturn's radiation belts

A team of scientists has found a new way to explain the formation of Saturn's radiation belts, which challenges current theories on electron acceleration. They suggest that Z-mode waves are responsible for energizing electrons in the belt, rather than radial diffusion.

Whales lost their teeth before evolving hair-like baleen in their mouths

Scientists have discovered an ancient whale that lacked teeth and baleen, revealing a surprising intermediate step in the evolution of this innovative feeding strategy. The newly described fossil, Maiabalaena nesbittae, lived about 33 million years ago and likely had strong cheeks and a retractable tongue.

Stuck in a loop of wrongness: Brain study shows roots of OCD

Researchers analyzed brain scans from hundreds of people with OCD, finding that brains get stuck in a loop of 'wrongness' and have trouble stopping repetitive behaviors. The study identifies specific brain areas and processes linked to OCD, setting the stage for new therapy targets.

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.

Insight into swimming fish could lead to robotics advances

Researchers at Johns Hopkins University found that fish constantly adjust their movements to optimize sensory input, a phenomenon also observed in humans. This discovery could lead to the development of smarter sensors in robots, enabling them to interact with their environment more effectively.

When it comes to using birth control, both intention and attitude matter

A new VA study found that women's attitudes towards becoming pregnant also play a role in their contraceptive use. Women who don't plan on getting pregnant but are open to the idea may be less likely to use birth control. The study, which analyzed data from 858 women veterans, suggests that routine assessment is needed to help women ma...

Brain stimulation relieves depression symptoms

Researchers found that stimulating the lateral orbitofrontal cortex (OFC) improved mood in patients with moderate to severe depression. The study suggests that OFC stimulation may help individuals experience a naturally positive mood state, removing an impediment to positive mood common in people with depression.

Climate change risks 'extinction domino effect'

Researchers simulated catastrophic environmental changes, leading to the extinction of all life. Co-extinctions amplify the effects of climate change, with a 5-6 degree warming globally enough to wipe out most life. This study warns humanity not to underestimate the impact of co-extinctions.

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.

Reproducing paintings that make an impression

RePaint uses a combination of 3D printing and deep learning to authentically recreate paintings, regardless of lighting conditions. The system was tested on oil paintings and found to be more than four times more accurate than state-of-the-art physical models.

Inconspicuous protein key to deadly blood cancer

Scientists at Cold Spring Harbor Laboratory have identified ZFP64 as the single key to the cascade of events leading to mixed lineage leukemia (MLL), an aggressive blood cancer. Shutting down this protein may be a cure for MLL, which predominantly occurs in infants and is difficult to treat.

A new approach to automation of chemical synthesis

A new approach to automate chemical synthesis has been developed, achieving yields and purities comparable to manual efforts. The robotic platform uses a conductivity sensor to outperform human vision in assembling molecules, with instructions that can be coded by users with little programming knowledge.

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.

Illuminating the mysterious cultures of fruit flies

A new study by Etienne Danchin and colleagues found that female fruit flies learn mating preferences from others and copy them when choosing a mate. This social learning can produce and maintain local traditions for potentially thousands of generations, with significant evolutionary implications.

High-contrast imaging for cancer therapy with protons

Researchers have successfully combined magnetic resonance imaging (MRI) with proton beam cancer treatments, enabling targeted and healthy tissue-sparing therapy. The integration of real-time MR imaging with proton therapy aims to improve the precision and effectiveness of particle beam cancer treatments.

Study unlocks full potential of 'supermaterial' graphene

Researchers identify silicon contamination in graphene, which has hindered its performance. By removing contamination, the material's full potential is revealed, doubling its performance and enabling the creation of high-capacity supercapacitors and sensitive humidity sensors.

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.

Venetoclax combination approved for elderly AML

A new combination of venetoclax with standard drugs azacitidine or decitabine has been granted accelerated approval for treating elderly patients with acute myeloid leukemia. The trial showed a 67% overall response rate, with improved efficacy and tolerability compared to traditional hypomethylating agents.

How HIV DNA is blocked from entering the cell nucleus

A study published in PLOS Pathogens reveals how the human myxovirus resistance 2 (MX2) protein blocks HIV-1 infection by inhibiting nuclear import of viral DNA. The findings suggest that TNPO1 and nucleoporins facilitate MX2 positioning at the nuclear envelope.

ERC awards €573 million for mid-career researchers from 40 countries

The European Research Council awarded €573 million in funding to 291 top mid-career researchers from 40 countries, with a focus on building teams and pursuing innovative ideas. The grants will support research projects across various domains, including physical sciences, life sciences, and social sciences.

The polar regions communicate via 'postcards' and 'text messages'

Researchers discovered that the Atlantic Meridional Overturning Circulation (AMOC) sends messages to Antarctica, causing sudden changes in global climate conditions. The study found that a weakening AMOC could trigger abrupt climate shifts, affecting Asia's monsoons and carbon dioxide absorption.

Quirky glacial behavior explained

Researchers used detailed dataset to identify factors causing speedup and slowdown of tidewater glacier, finding geometry of fjord bed plays critical role. The study may help predict how tidewater glaciers contribute to sea level rise.

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.

The German Bundesliga: Are the players worth the money?

Researchers from Martin Luther University Halle-Wittenberg investigated the relationship between footballers' performance and market value in the German Bundesliga. They found that star players tend to be overvalued, while others are traded at below-market value. The study also highlights the impact of a club's reputation and commercia...

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.

Snoring poses greater cardiac risk to women

A new study presents findings on the impact of snoring and obstructive sleep apnea (OSA) on cardiac function in women, suggesting that OSA may be underdiagnosed. Researchers analyzed data from over 4,000 participants to find increased left ventricular mass in both genders with OSA or snoring, highlighting earlier impairment in women.

Study: Rise in meth and opioid use during pregnancy

A new study found that amphetamine and opioid use in pregnancy increased substantially over the last decade, particularly in rural counties. Amphetamine-affected births doubled, while the rate of opioid use quadrupled, resulting in higher risks of severe maternal morbidity and mortality.

Breathlessness treatments do reduce patient distress

A new study from King's College London found that breathlessness-focused services can significantly reduce patient distress and symptoms of depression. These holistic services, which combine palliative care and self-management strategies, empower patients to take control of their breathlessness and improve their quality of life.

Searching for the sources of particulate matter

The formation of secondary particulate matter in the atmosphere is still not fully understood. Alexander Vogel's research aims to identify its sources and improve air quality by analyzing molecular fingerprints from atmospheric samples.

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.

How prions invade the brain

Researchers used genetically modified mice with a highly permeable blood-brain barrier to test whether prions in blood can enter the brain. Their results suggest that passage of prions through the blood-brain barrier may not be relevant to disease development. Instead, prions likely reach the brain by traveling along nerves.

Functional nasal surgery relieves chronic headache for some patients

A systematic review of functional nasal surgery found that 85% of patients experienced at least partial improvement in their headaches. The procedure targets 'contact points' within the nose and sinuses believed to trigger chronic headaches, resulting in reduced symptoms and improved quality of life.

Celestron NexStar 8SE Computerized Telescope

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

Mischievous responders taint LGBQ health estimates in national survey

A new study using national data suggests that many research studies on LGBQ health risks may be inflated due to respondents providing extreme and untruthful answers. Removing potentially mischievous respondents reduced estimated disparities in drug use, suicide attempts, and other outcomes.

How a rat and bat helped heal a 90-year cultural rift

A reconciliation ceremony between the Kwaio community and Australian scientists has set a foundation for peace, collaborative research, and healing of historical trauma. The partnership, which began in 2015, involves the protection of Kwaio land for research and conservation entities, emphasizing local cultural processes.

Getting older adults to be more active

A comprehensive study from the Norwegian University of Science and Technology found that older adults prefer exercising outdoors, especially walking, and engaging with others. The study also identified characteristics such as memory loss and low education level that increase the likelihood of dropout from a training program.

Study could lead to safer and cheaper 3D medical imaging

A new study has discovered a promising approach to significantly lower doses of X-rays in 3D medical imaging, making it cheaper and safer. The technique, known as ghost imaging, uses a sensor instead of an X-ray camera to create 3D images.

How the devil ray got its horns

A new study by SF State biologists reveals that the distinctive 'horn-like' cephalic lobes of manta rays are actually modified fins, developed through a simple genetic tweak. The researchers found that the same Hox genes guiding fin development in related species also shape the horns in manta rays.

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.

UIC's mission: To model life on Saturn's moon in the lab

Researchers at UIC aim to recreate Titan's oceanic conditions in a laboratory growth chamber to detect potential biosignatures of life on the moon. They plan to grow microorganisms under high pressure and extreme cold to identify characteristic chemical and biological signatures.

Stop -- hey, what's that sound?

Scientists have identified a 'bottleneck' in the brain's speech perception mechanism, revealing how it processes language in noisy environments. The study found that the brain recognizes phonetic sounds and transitions to linguistic information in under 10ms.

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.

A prosthetic arm that decodes phantom limb movements

Researchers have developed a prosthetic arm that can detect and replicate phantom limb movements, revolutionizing amputee rehabilitation. The device uses muscle activity generated by mobilization of the phantom limb to achieve precise control, allowing patients to interact with their prostheses without extensive training or surgery.

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.

How skin cancer cells sidestep the immune system

Researchers at Mainz University Medical Center discovered a new signal pathway employed by skin cancer cells to evade the immune system. The ICER protein plays a significant role in this process, leading to rapid tumor growth and inflammation.

New methods could improve, expand 3D imaging using X-rays

Researchers have developed two new approaches to 3D imaging with X-rays, enabling unprecedented detail in disease-screening, materials development, and structural information of opaque objects. The methods, including ghost imaging and single-shot techniques, reduce X-ray doses and destroy samples, paving the way for cheaper, more readi...

Ending the HIV epidemic: Where does Europe stand?

Despite substantial progress, Europe still faces challenges in diagnosing HIV-positive individuals and providing antiretroviral therapy. The report highlights a significant gap between diagnosed cases and those receiving treatment, particularly in Eastern European countries.