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Science News Archive October 2018


Page 40 of 47

The constructive role of noise

Researchers discovered coherent resonance and stochastic resonance in an excitable semiconductor superlattice, enabling faster detection of weak signals. This breakthrough can be used to extract information from noisy data, analyze astronomical observations, and process image signals.

Ground-breaking lab poised to unlock the mystery of the origins of life

Researchers at McMaster University are pioneering a new Origins of Life Laboratory to mimic early-Earth conditions, testing RNA sequence formation and potential self-replication. The lab's Planetary Simulator will simulate years of cycles in days, studying the emergence of life on Earth and potentially elsewhere.

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.

Female representation in the CHEST Fellowship on the rise

A recent study at the CHEST Annual Meeting 2018 revealed that women are underrepresented as Fellows in CHEST but have increased application rates. The study found significant differences in gender distribution among specialties and letter of recommendation authors, highlighting barriers to academic advancement for women.

High-risk HPV linked to improved survival in cervical cancer

Researchers at Karolinska Institutet found that high-risk HPV-positive tumours had a significantly higher five-year relative survival rate of 74% compared to hrHPV-negative tumours at 54%. The presence of high-risk HPV was also associated with earlier detection and improved socioeconomic status.

Celestron NexStar 8SE Computerized Telescope

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

SwRI scientists study Saturn's rings to discover downpour

SwRI scientists used Cassini's final measurements to detect large influx of materials raining into Saturn's atmosphere, with water and organic compounds falling at rates of up to 10,000 kilograms per second. The discovery has implications for ring evolution and atmospheric chemistry.

Using personal data to predict blood pressure

Engineers at UC San Diego developed an algorithm to predict individual blood pressure based on sleep, exercise, and blood pressure data from wearable devices. The study found that personalized data was more effective than generalized information in lowering blood pressure.

More wet and dry weather extremes projected with global warming

A Rutgers-led study predicts increased frequency of dry spells in the US and Mexico, and heavy rainfall events in south Asia and China. Subtropical stationary waves play a key role in explaining these extremes, which are expected to worsen with climate change.

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.

Observations challenge cosmological theories

A study from the University of Bonn confirms that galaxy clusters formed too slowly than expected, potentially requiring a rework of current theories. The researchers will analyze their data in greater detail to confirm whether the standard model needs to be revised.

Climate change efforts should focus on ocean-based solutions

The study assesses 13 ocean-based measures to reduce atmospheric CO2, counteract ocean warming, and mitigate sea-level rise. Ocean-based renewable energy stands out as the most promising solution, with moderate effectiveness for reducing marine pollution and protecting marine habitats.

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.

Shaping seasonal flu epidemics: City density, and climate

Researchers analyzed weekly flu incidence data from over 600 US regions to determine how city density and climate impact flu seasons. They found that cities with higher population density experience longer flu seasons, even in unfavorable weather conditions, due to the spread of infection through organized movement patterns.

Food security under changing climate

A team of researchers has developed a new approach to improve crop resilience under changing climate conditions, using advanced imaging techniques and bioinformatics. The project aims to understand the molecular basis of pollen development and male fertility in key crops such as corn, wheat, and barley.

Low-dose aspirin may lower ovarian cancer risk

A recent study published in JAMA Oncology found that low-dose aspirin (100mg or less) reduces the risk of ovarian cancer by 23% compared to non-users. Long-term heavy use of non-aspirin NSAIDs may increase this risk.

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.

Thirteen ocean solutions for climate change

The Ocean Solutions Initiative presents a comprehensive review of thirteen ocean-based measures to counter climate change. The measures can be grouped into four categories: reduction of climate change causes, preservation of ecosystems, protection of the ocean from solar radiation, and direct manipulation of species adaptability.

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.

Amputation injury is communicated to opposing limbs

Scientists at Tufts University have found that amputation of one limb immediately reflects in the bioelectric properties of the opposing, un-damaged limb in developing frogs. The phenomenon, dubbed 'bioelectric injury mirroring,' indicates that information about damage to tissues is available within 30 seconds.

Tales from 141,430 and one genomes

Researchers analyzed 141,431 genomes from Chinese expectant mothers to discover associations between genes and birth outcomes, including twins and age at first pregnancy. The study also identified genes linked to infectious diseases, height, and body mass index.

Research affirms the power of 'we'

Researchers analyzed 30 studies of nearly 5,300 participants to find that couples who frequently use first-person pronouns like 'we' and 'us' tend to have healthier and happier relationships. The study's findings support the idea that interdependence is key to relationship success, and 'we-talk' is a strong indicator of this.

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.

Tarragon supplements may make healthy women gain weight

A Pennington Biomedical Research Center study found that female mice on a high-fat diet given Russian tarragon or bitter melon supplements gained more weight and body fat compared to those not receiving the supplements. However, there was no significant change in insulin sensitivity or body-fat percentages.

Why huskies have blue eyes

A DNA study of over 6,000 dogs found that a specific genetic duplication on chromosome 18 is strongly associated with blue eyes in Siberian Huskies. This discovery sheds light on the genetic underpinnings of eye color in dogs and demonstrates the power of consumer genomic data.

Flexible piezoelectric acoustic sensors for speaker recognition

Researchers developed flexible piezoelectric acoustic sensors for improved speaker recognition, achieving sensitivity over two times higher than conventional sensors. These sensors enable 97.5% accurate speaker recognition and diverse voice detection in various environments.

Apple iPhone 17 Pro

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

Molecular guardians monitor chromosomes during cell division

Cell biologist Needhi Bhalla's research reveals a complex chromosomal monitoring system that prevents errors during meiosis, a type of cell division. The system involves checkpoints and molecular mechanisms to ensure proper progression of recombination.

Neanderthal healthcare practices crucial to survival

Research at the University of York suggests that Neanderthals had a well-developed system of care for injuries and childbirth challenges. The study of over 30 individuals with minor and serious injuries found evidence of healthcare dating back 1.6 million years ago, indicating a fundamental role in survival strategies.

Smoking cessation: a genetic mutation involved in relapse

Scientists discovered a genetic mutation in the CHRNA5 gene that contributes to nicotine dependence and relapse. The study found that this mutation increases nicotine consumption and rates of relapse, offering hope for developing new therapies to combat tobacco addiction.

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.

Crossing new frontiers in melanoma research

The article addresses provoking questions in melanoma immunotherapy, cancer systems biology, and medical oncology. Researchers focus on understanding pigmentation and pigmentary diseases through big data science, collaborative team science, and individualized medicine.

New research could lead to more energy-efficient computing

Binghamton University researchers developed 'neuristor' circuits that mimic biological neurons, enabling complex computations using minimal power. The team created niobium dioxide devices without electroforming, making them more efficient and scalable.

A novel molecule could spur new class of drugs for breast cancer

Researchers at Stevens Institute of Technology have designed a novel molecule that uses a unique mechanism to halt or destroy breast cancer tumors. The molecule, developed by Abhishek Sharma, could potentially add to the arsenal of drugs targeting estrogen receptors in breast cancer therapy.

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.

Non-VA healthcare providers are uncertain how to care for veterans

A study found that non-VA healthcare providers are uncertain about how to care for veterans due to limited knowledge of resources and coordination problems. Despite the need to identify health conditions related to military service, many providers fail to ask about veteran status.

New nuclear medicine tracer will help study the aging brain

A new PET imaging radiotracer, <sup> 18 </sup> F-XTRA, was tested on adults to study the distribution of the α4β2 nicotinic acetylcholine receptor in the brain. The research found that the radiotracer rapidly entered the brain and distributed quickly, with lower binding in the hippocampus with healthy aging.

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.

Opioid overdoses, depression linked

A new study finds that for every 1% increase in depression diagnoses, opioid overdose deaths rise by 25-35%. The researchers emphasize the need for doctors to screen for depression before prescribing opioids and for better access to mental health care.

Sexual harassment and assault take long-term toll on women's health

A new study involving over 300 women reveals a strong association between sexual harassment and assault with higher blood pressure, depression, anxiety, and poor sleep quality. The findings suggest that the experience of sexual harassment and assault can have lasting impacts on women's health.

New fuel cell concept brings biological design to better electricity generation

Researchers at the University of Wisconsin-Madison have developed a new fuel cell concept that uses an organic compound called quinone to shuttle electrons and protons, increasing energy efficiency by 100 times compared to previous designs. The design also reduces costs by using lower-cost metals like cobalt as catalysts.

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.

Cardiovascular admissions more common among most deprived

A nationwide study found that people with diabetes from deprived backgrounds are twice as likely to be admitted to hospital for major cardiovascular events. Socioeconomic inequalities persist, despite improvements in overall cardiovascular disease outcomes.

NASA sees powerful storms circling major Hurricane Sergio's eye

NASA's Aqua satellite captured infrared data on Hurricane Sergio, revealing strong thunderstorms with cloud tops as cold as -80°F. The storm is a category 3 hurricane with maximum sustained winds near 115 mph, forecast to strengthen then weaken over the next few days.

Genome of sea lettuce that spawns massive 'green tides' decoded

The decoded genome of Ulva mutabilis reveals that the seaweed has stolen genes from bacteria to adapt to stresses like excessive light and dehydration. This discovery provides insights into how evolution acts on genomes to modify biology and may help predict future trends under climate change.

Combination therapy targets latent reservoir of HIV

A new study published in Nature demonstrates that administering broadly neutralizing antibodies and immune-stimulating agents can delay viral rebound following ART discontinuation in monkeys. This two-pronged approach represents a potential strategy to target the latent reservoir, rendering infected cells more susceptible to elimination.

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.

USC ISI to pilot Cyberinfrastructure Center of Excellence for NSF

A $3 million grant will support a two-year effort to develop a strategic plan for a Cyberinfrastructure Center of Excellence at USC ISI. The project aims to enhance existing cyberinfrastructure and provide a forum for knowledge sharing among large facilities and users.