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Science News Archive November 2019 - Page 38


Page 38 of 41

Precession-driven precipitation cycles in Chile

A study reveals a correlation between precession and Atacama rainfall, suggesting that precession reconfigures southern hemisphere westerlies differently. Model simulations replicate this relationship, which may impact global ocean circulation patterns.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 4, 2019

What factors predict success?

A large-scale study of over 11,000 West Point cadets reveals that both cognitive and non-cognitive factors predict success outcomes. Grit is crucial during Beast Barracks, while cognitive ability is the strongest predictor of academic grades in the classroom. Physical ability also plays a key role in determining graduation rates.

SourceUniversity of Pennsylvania·JournalProceedings of the National Academy of Sciences·DateNov 4, 2019
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.

EMBL spins the Sleeping Beauty transposase

Researchers at EMBL developed a new variant of the Sleeping Beauty transposase with improved biochemical properties, allowing for direct protein delivery and autonomous cell penetration. This breakthrough enables efficient and stable genome modifications in target cells on demand.

SourceEuropean Molecular Biology Laboratory·JournalNature Biotechnology·DateNov 4, 2019

Adding weight loss counseling to group visits improves diabetes outcomes

A study led by Duke University Medical Center found that adding weight management counseling to group visits improved diabetes outcomes for patients with uncontrolled diabetes. Participants who received the counseling showed significant weight loss, reduced blood sugar levels, and fewer episodes of hypoglycemia compared to those who on...

SourceDuke University Medical Center·JournalJAMA Internal Medicine·DateNov 4, 2019
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.

Sex differences in circadian disruption

Researchers observed a sex difference in how women and men respond to circadian disruption. Women experienced decreased satiety hormones, leading to reduced fullness, while men showed increased cravings for energy-dense foods.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 4, 2019

Combination gene therapy treats multiple age-related diseases

Researchers developed a combination gene therapy treating four age-related diseases in mice, including heart failure, kidney failure, diabetes, and obesity. The treatment showed significant improvements, reversing or completely eliminating disease symptoms in obese and diabetic mice.

SourceWyss Institute for Biologically Inspired Engineering at Harvard·JournalProceedings of the National Academy of Sciences·DateNov 4, 2019

Study of African animals illuminates links between environment, diet and gut microbiome

Researchers analyzed DNA samples from over 1,000 African herbivores to understand the relationship between diet, environment, and gut microbiome. They found that closely related species had similar microbiomes and diets, while domesticated animals like cattle had more sensitive seasonal changes in their microbiomes.

SourceBrown University·JournalProceedings of the National Academy of Sciences·DateNov 4, 2019

Researchers find best classroom shapes for fish swimming in schools

A team of researchers at New York University's Courant Institute of Mathematical Sciences found that fish swimming in orderly groups or formations spend less energy and move faster than when swimming alone. The best arrangement, diamond-shaped lattices, yielded the greatest speeds and largest energy savings, confirming a long-held belief.

SourceNew York University·JournalPhysical Review X·DateNov 4, 2019

Diabetes drug relieves nicotine withdrawal

Researchers found that pioglitazone reduces physical and emotional nicotine withdrawal symptoms in rats and mice. The study suggests that the diabetes drug may help diabetic smokers quit by reducing insulin resistance and alleviating anxiety associated with nicotine withdrawal.

SourceSociety for Neuroscience·DateNov 4, 2019
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.

Eye on research: A new way to detect and study retinoblastoma

Researchers at Children's Hospital Los Angeles have developed a novel way to biopsy retinoblastoma, allowing for more accurate diagnoses and access to studying the disease on a molecular level. This breakthrough discovery has the potential to drastically improve retinoblastoma research and clinical practice.

SourceChildren's Hospital Los Angeles·JournalOphthalmology·DateNov 4, 2019

Any amount of running linked to significantly lower risk of death

A pooled analysis of 14 studies involving over 232,000 people found that any amount of running significantly lowers the risk of death from all causes. Even small doses of running, such as once weekly or less than 50 minutes, are associated with significant health and longevity benefits.

SourceBMJ Group·JournalBritish Journal of Sports Medicine·DateNov 4, 2019

Scientists probe the limits of ice

Researchers found that the transition between ice and water breaks down at the nanoscale, with clusters oscillating between solid and liquid states. The study provides new insights into the conditions necessary for ice formation and has implications for understanding climate regulation and life viability.

SourceUniversity of Utah·JournalProceedings of the National Academy of Sciences·DateNov 4, 2019

Scientists create 'artificial leaf' that turns carbon into fuel

Researchers have developed an artificial leaf that converts carbon dioxide into methanol, reducing greenhouse gas emissions and providing a sustainable alternative fuel. The technology uses cuprous oxide as a catalyst, mimicking photosynthesis in plants.

SourceUniversity of Waterloo·JournalNature Energy·DateNov 4, 2019
Apple iPhone 17 Pro

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

Flotillin is a novel diagnostic blood marker of Alzheimer's disease

Researchers found that serum flotillin levels significantly decrease in patients with Alzheimer's disease (AD) and mild cognitive impairment (MCI) due to AD compared to non-AD controls. Flotillin levels are also negatively associated with brain amyloid deposition, indicating its potential as a blood biomarker for early AD diagnosis.

SourceNagoya City University·DateNov 4, 2019

How oxygen destroys the core of important enzymes

Researchers at Ruhr-University Bochum identified why certain enzymes like hydrogenases are unstable in oxygen. By analyzing structural changes on an atomic level, they hope to protect these proteins against oxygen in future biotech applications.

SourceRuhr-University Bochum·DateNov 4, 2019
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.

What drives circadian rhythms at the poles?

Researchers studied Drosophila and Chymomyza flies, revealing two possible explanations for arrhythmic behavior in high-latitude species. The study suggests that strong behavioral rhythms may be a disadvantage in polar regions, but certain characteristics could aid survival.

SourceUniversity of Würzburg·JournalCurrent Biology·DateNov 4, 2019

Multi-disease gene therapy in mice

Researchers developed a gene therapy combining FGF21 and ?Klotho treatments to target multiple age-related diseases. The single-formulation treatment successfully treated obesity, type II diabetes, heart failure, and renal failure in mice.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 4, 2019
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.

Bead-making complex off the Florida coast

Researchers uncover ancient bead-making settlement on Raleigh Island, featuring high-production facilities for lightning whelk shells. The site predates the Mississippian era chiefdoms and offers insights into pre-Columbian economies.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 4, 2019

National-scale study shows that invasive grasses promote wildfire

A recent national-scale analysis found that invasive grasses can significantly increase wildfire risk, with some doubling fire frequency in affected areas. Eight non-native grass species, including cheatgrass and buffelgrass, were identified as major contributors to increased fire occurrence.

SourceUniversity of Massachusetts Amherst·DateNov 4, 2019
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.

Researchers lift the curtain behind the 'black box' of data broker records

A study by INFORMS journal Marketing Science found that data records used in targeted advertising are not as reliable as assumed, with accuracy rates varying between demographics and interests. The researchers conducted field tests to assess the effectiveness of third-party consumer profiling and found mixed results.

SourceInstitute for Operations Research and the Management Sciences·JournalMarketing Science·DateNov 4, 2019

Light-based 'tractor beam' assembles materials at the nanoscale

Scientists at the University of Washington create a method to assemble nanoscale semiconductor materials into larger structures using optical tweezers. The technique allows for precise control over material size and shape, with potential applications in quantum computing.

SourceUniversity of Washington·JournalNature Communications·DateNov 4, 2019

NASA provides an infrared analysis of Tropical Cyclone Maha

Tropical Cyclone Maha was a powerful storm with the potential to generate heavy rainfall, as revealed by NASA's infrared analysis. The storm had maximum sustained winds near 100 knots and circling strongest storms at cloud top temperatures of minus 80 degrees Fahrenheit.

SourceNASA/Goddard Space Flight Center·DateNov 4, 2019
Fluke 87V Industrial Digital Multimeter

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

High frequencies and speech perception

Researchers found that extended high-frequency hearing loss contributes to difficulty hearing speech in noisy environments even in individuals with normal hearing. The study suggests EHF hearing may predict age-related hearing loss at an early age, highlighting the importance of preventive measures.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 4, 2019

Shark skin microbiome resists infection

A study found that shark skin microbiomes resist infection and maintain native bacterial communities even after injury. Regional differences were also detected in the microbial communities across different locations.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalAnimal Microbiome·DateNov 4, 2019

Invasive grasses and fire regimes in the United States

Non-native invasive grasses increase fire occurrence and frequency across multiple ecoregions in the United States. Eight species showed significant increases in fire size and six in fire frequency, posing a risk to vulnerable ecosystems.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 4, 2019

Protein Data Bank at Rutgers Awarded $34.5 million grant

The Protein Data Bank at Rutgers has received a $34.5 million grant over five years to enhance services and improve the quality of its vast repository of 3D biomolecular structures. With more than 150,000 structures available, the data bank plays a crucial role in discovering lifesaving drugs and supporting various fields of research.

SourceRutgers University·DateNov 4, 2019
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.

Deep sea vents had ideal conditions for origin of life

A UCL-led research team has successfully created self-assembling protocells in hot, alkaline seawater, a key stepping stone to cell-based life. The study suggests that heat and alkalinity are necessary for the formation of life, adding weight to the theory that deep-sea hydrothermal vents could be the origin of life.

SourceUniversity College London·JournalNature Ecology & Evolution·DateNov 4, 2019

Studies find nurse-led program improves care of older adults

A nurse-led program has been shown to improve the care of older adults, with improved patient safety, quality of care, and reduced complications. The program addresses issues specific to this population, including falls, medications, and dementia symptom management, and helps healthcare providers become unit-based leaders.

SourceNew York University·JournalThe Gerontologist·DateNov 4, 2019
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.

Cell signalling breakthrough opens up new avenues for research

A team led by Professor Claire Eyers has made a major breakthrough in cell signalling research, revealing a diverse and complex phenomenon of protein modification. The study found that approximately one-third of unique 'non-canonical' phosphorylation sites exist in addition to the well-studied serine, threonine and tyrosine residues.

SourceUniversity of Liverpool·JournalThe EMBO Journal·DateNov 4, 2019

Suspended layers make a special superconductor

Researchers at the University of Groningen have created a new type of superconductor using suspended layers of molybdenum disulfide. The superconductivity is strongly protected against external magnetic fields, even in extremely strong static magnetic fields.

SourceUniversity of Groningen·JournalNature Nanotechnology·DateNov 4, 2019

Following hospitalization for heart failure, home care lessens re-admission risk

A study found that home health care significantly lowers the risk of hospital re-admission within 30 days among older adults with heart failure. The researchers analyzed records of over 67,000 Medicare patients and discovered that those receiving home health care had lower readmission rates than those without

SourceAmerican Geriatrics Society·JournalJournal of the American Geriatrics Society·DateNov 4, 2019

Anger, anxiety, insomnia: Tweets from Twitter users could predict loneliness

Researchers found that users who tweeted about loneliness were more likely to post about anger, anxiety, and depression, as well as struggles with relationships and substance use. The study aims to develop a 'loneliness prediction system' using social media data to identify individuals at risk of loneliness.

SourceUniversity of Pennsylvania School of Medicine·JournalBMJ Open·DateNov 4, 2019
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.

Tethered chem combos could revolutionize artificial photosynthesis

Scientists at Brookhaven National Laboratory have developed a new approach to artificial photosynthesis that improves the efficiency of capturing light and splitting water molecules to produce hydrogen fuel. The system uses molecular tethers to attach chromophores to catalysts, allowing for stable and efficient electron transfer and ge...

SourceDOE/Brookhaven National Laboratory·JournalThe Journal of Physical Chemistry C·DateNov 4, 2019

Some CBD products may yield cannabis-positive urine drug tests

A study by Johns Hopkins Medicine found that vaping 'high CBD, low THC' cannabis products can result in positive urine drug test results. Two out of six participants tested positive for THC after vaping a batch containing 10.5% CBD and 0.39% THC.

SourceJohns Hopkins Medicine·JournalJournal of Analytical Toxicology·DateNov 4, 2019

Peering into a more 'human' petri dish

Cell culture media has remained relatively unchanged for over 70 years, but Jason Cantor is developing 'physiologic media' that closely mimics real biological conditions. This allows researchers to study cell behavior in a more accurate and relevant way, potentially revealing fundamental insights into human diseases such as blood cancer.

SourceMorgridge Institute for Research·JournalTrends in Cell Biology·DateNov 4, 2019

ACP issues guidance for colorectal cancer screening

The American College of Physicians recommends screening for colorectal cancer in adults at average risk who do not have symptoms. The recommended screening frequency varies depending on the chosen strategy, with options including fecal immunochemical tests, colonoscopy, and flexible sigmoidoscopy.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateNov 4, 2019
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.

NIH researchers estimate 17% of food-allergic children have sesame allergy

A study published in Pediatric Allergy and Immunology found that 17% of children with food allergies are also allergic to sesame. The researchers developed a mathematical model to predict sesame allergy in children with food allergies, which could help clinicians identify this common allergy.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalPediatric Allergy and Immunology·DateNov 4, 2019

Health care provider deserts may leave patients in the cold

Researchers found that people with ACA health insurance are more likely to find themselves in 'artificial provider deserts,' areas with limited coverage, and must travel further to access care. The study highlights the need for consumers to carefully consider their insurance options to make informed decisions about their healthcare.

SourcePenn State·JournalHealth Affairs·DateNov 4, 2019

Some skin cancers may start in hair follicles

Researchers found that newly cancerous pigment stem cells migrate up and out of hair follicles to establish melanomas in nearby surface skin before spreading deeper. This discovery sheds new light on the biology of melanoma and suggests potential new ideas for treatment.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalNature Communications·DateNov 4, 2019

2D antimony holds promise for post-silicon electronics

Researchers at the University of Texas at Austin have discovered a new material, 2D antimony, which holds promise for manufacturing even smaller computer chips. The material has high charge mobility, making it a suitable alternative to silicon, and its properties could lead to the discovery of even better materials.

SourceUniversity of Texas at Austin·JournalJournal of the American Chemical Society·DateNov 4, 2019
Celestron NexStar 8SE Computerized Telescope

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

Deep neural networks uncover what the brain likes to see

Researchers developed a novel computational approach using deep artificial neural networks to predict neural responses to images. The study found that certain stimuli, such as checkerboards or sharp corners, elicit strong responses from neurons, contradicting current dogma in the field.

SourceBaylor College of Medicine·JournalNature Neuroscience·DateNov 4, 2019

New research project to tackle emergency natural disaster response problems

A new research project aims to improve natural disaster emergency preparedness and response in countries badly affected by earthquakes, flooding, volcanic eruptions, and tsunamis. The RESPOND-OR project will investigate issues relating to emergency response management of large-scale natural disasters in Indonesia and Sudan.

SourceLancaster University·DateNov 4, 2019

RoboBee powered by soft muscles

Researchers at Harvard develop resilient RoboBee with soft artificial muscles that can withstand collisions and achieve controlled hovering flight. The breakthrough solves long-standing challenges in microrobotics, paving the way for potential applications in search and rescue missions.

SourceHarvard John A. Paulson School of Engineering and Applied Sciences·JournalNature·DateNov 4, 2019