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Science News Archive October 2019 - Page 18


Page 18 of 47

Find FH® machine learning model flags individuals with FH for first time at national level

A new machine learning algorithm identified individuals with probable familial hypercholesterolemia (FH) for the first time at a national scale, reducing the number of people needed to be screened. The FIND FH model performed comparably well on diverse healthcare data and has been implemented in several US healthcare systems.

SourceFamily Heart Foundation·JournalThe Lancet Digital Health·DateOct 21, 2019

Computer science classes break down cultural barriers, study shows

A new study from Cornell University researchers found that computational education can foster intercultural learning and unlikely friendships between students from diverse backgrounds. Despite initial resistance, the structure of the class enabled cooperation and bonding among students from different ethnic groups.

SourceCornell University·DateOct 21, 2019

Stem cell study offers new way to study early development and pregnancy

Researchers at Salk Institute create mouse blastocyst-like structures from single cultured cells, mimicking the natural developmental process. The blastoids can form a ball with an inner and outer layer, accumulating proteins that induce expression of proteins to build what could eventually become a placenta.

SourceSalk Institute·JournalCell·DateOct 21, 2019

Speech and social class perception

Using audio recordings, researchers found that listening to speech patterns allowed strangers to accurately predict social class, age, gender, and race more than half the time. Speech patterns were less accurate for social class judgments compared to other categories, suggesting they may perpetuate social inequality.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019
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.

New therapeutic strategy may help reverse autism behavioral abnormalities

Researchers at Baylor College of Medicine have developed a new therapeutic approach to treat symptoms associated with PTEN deficiency, which is linked to autism and other neurological disorders. The treatment targets the mTORC2 complex and has shown promising results in reversing behavioral abnormalities and reducing seizures in mice.

SourceBaylor College of Medicine·JournalNature Medicine·DateOct 21, 2019

Climate warming promises more frequent extreme El Niño events

A new study reveals that climate warming has shifted the onset location of strong El Niño events from the eastern Pacific to the western Pacific, causing more frequent extreme events. This shift is linked to increased sea surface temperatures in the western Pacific warm pool and easterly winds in the central Pacific.

SourceUniversity of Hawaii at Manoa·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

ASA recognizes Judith Hellman, M.D., with its Excellence in Research Award

Dr. Judith Hellman has been awarded the American Society of Anesthesiologists' Excellence in Research Award for her groundbreaking research on sepsis and inflammatory critical illness. Her discoveries have led to improved understanding of inflammation, immune function, and potential treatments for sepsis.

SourceAmerican Society of Anesthesiologists·DateOct 21, 2019
Meta Quest 3 512GB

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

Symbol of change for AI development

A team of researchers at KAUST has developed a mathematical bridge between high-level symbolic representations and statistical data, enabling artificial intelligence algorithms to make use of vast stores of symbolic knowledge. This breakthrough could lead to significant improvements in machine learning and biomedical applications.

SourceKing Abdullah University of Science & Technology (KAUST)·DateOct 21, 2019

Forests on the radar

Researchers found that coarser radar data provide comparable and sometimes superior results to high-resolution laser scanning data in monitoring forest biodiversity. Better, standardized ground-based biodiversity data are needed nationwide for more effective monitoring.

SourceUniversity of Würzburg·JournalNature Communications·DateOct 21, 2019

Assessing the benefits and risks of land-based greenhouse gas removal

Researchers evaluated six options, including afforestation, wetland restoration, and soil carbon sequestration, finding they contribute positively to ecosystem services and SDGs. However, some options require risk management to avoid negative impacts on food production and clean water.

SourceInternational Institute for Applied Systems Analysis·JournalAnnual Review of Environment and Resources·DateOct 21, 2019

California's crashing kelp forest

A study found that a perfect storm of events led to the decline of California's bull kelp forests, resulting in the loss of over 90% of kelp and 96% of red abalone. Purple sea urchin populations exploded, devouring all available food sources. However, researchers are exploring urchin ranching as a potential solution to restore kelp beds.

SourceUniversity of California - Davis·JournalScientific Reports·DateOct 21, 2019
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.

Wood burial in the Bengal Fan

Scientists have found millimeter- to centimeter-sized wood fragments in sediment cores from the Bengal Fan, a large deposit in the Bay of Bengal. This discovery suggests that wood burial at continental margins may be a previously overlooked component of carbon sequestration.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

Volcanic ash sparks a new discovery

Researchers used plasma physics to study how volcanic ash modifies standing shock wave height, width, and lifetime. This discovery enables the tracking of standing shock waves in laboratory experiments, potentially leading to improved ash estimates and early predictions of hazardous plumes.

SourceAmerican Physical Society·DateOct 21, 2019

Bioprinting: Living cells in a 3D printer

Researchers at TU Wien have developed a new bioprinting process that integrates living cells into fine structures created in a 3D printer, achieving high resolution and speed. This technique allows for the control of cell behavior and growth, enabling studies on tissue development and disease spread.

SourceVienna University of Technology·JournalAdvanced Healthcare Materials·DateOct 21, 2019
Apple iPhone 17 Pro

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

UVA tapped to create graduate course that advances public interest technology

The University of Virginia has earned a national grant to establish a graduate course that explores the complex ethical, legal, and policy implications of new technologies. The course, called Innovation in the Public Interest, will be offered through UVA's schools of engineering, law, and politics.

SourceUniversity of Virginia School of Engineering and Applied Science·DateOct 21, 2019

New insights could help tame speedy ions in fusion plasmas

A team at DIII-D National Fusion Facility used a rugged magnetic sensor and high-performance computing to capture fast ion fluctuations. This data will help improve computer models that interpret the behavior of fast ions, enabling real-time control and efficient heating of plasma in future reactors.

SourceAmerican Physical Society·DateOct 21, 2019

Stephan Grupp, MD, PhD, elected to National Academy of Medicine

Stephan Grupp, a leading pediatric oncologist, has been elected to the National Academy of Medicine for his groundbreaking work in cell and gene therapy. He is recognized for developing an entirely novel therapy for acute lymphoblastic leukemia and leading the first global engineered cell therapy trial.

SourceChildren's Hospital of Philadelphia·DateOct 21, 2019
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.

Butterflies and plants evolved in sync, but moth 'ears' predated bats

A new study reveals that moths evolved 'ears' millions of years before the emergence of bats, challenging the long-held hypothesis that bats drove this adaptation. Fossil analysis and genetic data confirm that flowering plants played a key role in shaping moth diversity.

SourceFlorida Museum of Natural History·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

Listening in to how proteins talk and learning their language

A research team developed a new machine learning approach called UniRep to predict protein functions and identify optimal amino acid sequences. The method was trained on 24 million protein sequences and accurately predicted features such as protein stability and secondary structure.

SourceWyss Institute for Biologically Inspired Engineering at Harvard·JournalNature Methods·DateOct 21, 2019

It takes two -- a two-atom catalyst, that is -- to make oxygen from water

Researchers discovered a two-atom catalyst that enables efficient oxygen production from water under low-light conditions. The study's findings mimic the activation of photosystem II during photosynthesis, suggesting that similar two-atom catalytic cores might be suitable for achieving efficient water splitting.

SourceYale University·JournalNature Chemistry·DateOct 21, 2019

Study finds no link between youth contact sports and cognitive, mental health problems

A new study of nearly 11,000 youth followed for 14 years found that adolescents who play contact sports are not more likely to experience cognitive impairment, depression, or suicidal thoughts later in life. In fact, football players were less likely to suffer from depression in early adulthood compared to other groups.

SourceUniversity of Colorado at Boulder·JournalOrthopaedic Journal of Sports Medicine·DateOct 21, 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.

Immune reaction causes malaria organ damage

Researchers discovered a mechanism behind malaria's severe complications: an immune reaction that damages the patient's own tissue. The parasite triggers an escalation of neutrophil activity, leading to organ failure and death in severe cases.

SourceMax-Planck-Gesellschaft·JournalScience Immunology·DateOct 21, 2019

Transient and long-term disruption of gut microbes after antibiotics

Researchers tracked the disruption of gut microbes after antibiotics, finding that some individuals experienced long-term changes to their microbiome. The study used bioinformatic tools to analyze fecal samples from 30 young adults who received single or triple antibiotic treatments.

SourceUniversity of Alabama at Birmingham·Journalnpj Biofilms and Microbiomes·DateOct 21, 2019

Research improves understanding of mechanism of atrial fibrillation

Researchers at Baylor College of Medicine have discovered a functional link between noncoding DNA regions called Pitx2 enhancers and the expression of the Pitx2 gene in relation to atrial fibrillation. This interaction prevents predisposition to the condition by looping and folding distant Pitx2 enhancers to make contact with the gene.

SourceBaylor College of Medicine·JournalProceedings of the National Academy of Sciences·DateOct 21, 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.

Research reveals how migration affects DNA patterns in the UK

A major new study reveals how socio-economic migration within the UK has affected the geographic distribution of human DNA linked to traits such as education levels and health. Regional variations in human DNA have long been known to reflect distant ancestry differences.

SourceUniversity of East Anglia·JournalNature Human Behaviour·DateOct 21, 2019

Lonesome no more: White sharks hang with buddies

Researchers have found that white sharks gather in large numbers at seal nurseries, forming persistent communities that persist for years. The study used photo-identification and network analysis to show that the apex predators choose who they hang with, driven by sex-dependent patterns of visitation.

SourceMacquarie University·DateOct 21, 2019
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.

Overshadowed

A study by Harvard Medical School found that local researchers from sub-Saharan Africa are often excluded from first and senior author positions when collaborating with high-income country authors. This bias affects representation of local authors, particularly in top-tier universities.

SourceHarvard Medical School·JournalBMJ Global Health·DateOct 21, 2019

Porous polymer coatings dynamically control light and heat

Researchers have developed porous polymer coatings that can reversibly switch their optical transmittance in solar and thermal wavelengths, enabling dynamic control of light and heat in buildings. The coatings can regulate indoor temperatures and light levels, making them suitable for heating, cooling, and lighting applications.

SourceColumbia University School of Engineering and Applied Science·JournalJoule·DateOct 21, 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.

Atomic images reveal unusually many neighbors for some oxygen atoms

A study published in Nature Communications reveals new bonding configurations for nitrogen and oxygen atoms in graphene. Researchers found that oxygen atoms can form three bonds with carbon neighbors, contradicting the traditional understanding of their bonding behavior.

SourceUniversity of Vienna·JournalNature Communications·DateOct 21, 2019
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.

Taking new angle to enable more efficient, compact fusion power plants

Researchers at DIII-D National Fusion Facility demonstrated a new approach to injecting microwaves into fusion plasma, doubling the efficiency of critical technique. This method uses novel geometry to deliver substantial improvements in plasma current drive, paving the way for more efficient compact fusion power plants.

SourceAmerican Physical Society·DateOct 21, 2019

$1.2 million in grants to fund search for diabetes cure

Binghamton University researchers aim to develop islet-like organoids that can produce insulin, addressing the shortage of usable islets in current treatments. The project uses induced pluripotent stem cells and oxygen-releasing materials to create microenvironments for controlled cell differentiation.

SourceBinghamton University·DateOct 21, 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.

Infant maltreatment and brain changes

Rat pups exposed to infant maltreatment exhibit elevated stress-hormone levels, amygdala, hippocampus, and social behavior deficits. These changes are influenced by the presence or absence of a nurturing mother, highlighting specific effects of stress and social context on brain and behavioral development.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

Breaking the stroma barrier: Study shows a new way to hit cancer with radiation

Researchers at Osaka University have developed a new radiation therapy method that targets pancreatic cancer cells directly, reducing side effects. The treatment uses a radioactive molecule that binds to specific proteins on stroma cells surrounding tumors, delivering high-energy doses of radiation to cancer tissue.

SourceOsaka University·JournalJournal of Nuclear Medicine·DateOct 21, 2019

Widespread drying of European peatlands in recent centuries

Researchers found that nearly half of the study sites are the driest they have been for the last 1,000 years, with cutting, drainage, burning, and grazing contributing to peatland drying. The combined pressure of climate change and human impacts threatens these critical carbon-storing ecosystems.

SourceUniversity of Leeds·JournalNature Geoscience·DateOct 21, 2019

Ocean acidification and mass extinction

Researchers found evidence of rapid ocean surface acidification following the Chicxulub asteroid impact, which may have contributed to the K-Pg mass extinction. The study suggests that this acidification led to a significant reduction in global marine primary productivity, lasting up to 40,000 years.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

HPV immunization program cuts pre-cancer rates by more than half

A school-based HPV vaccination program in British Columbia has significantly reduced cervical pre-cancer rates among women, with a 57% reduction found in those vaccinated as Grade 6 girls compared to unvaccinated women. Regular cervical screening is crucial in preventing cervical cancer from developing.

SourceUniversity of British Columbia·JournalThe Journal of Infectious Diseases·DateOct 21, 2019
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.

Schools of molecular 'fish' could improve display screens

Scientists at the University of Colorado Boulder have developed a way to create tiny schools of molecular 'fish' using liquid crystals. These deformations, which can twirl together as a group and interact with each other, could lead to new interactive display technologies.

SourceUniversity of Colorado at Boulder·JournalNature Communications·DateOct 21, 2019

How rat-eating monkeys can help protect palm oil harvests

A study published in Current Biology found that pig-tailed macaques actively search for and hunt rats, a major pest of palm oil crops. By controlling rat populations, the macaques can reduce crop damage by up to 3%, leading to increased yield and sustainability.

SourceCell Press·JournalCurrent Biology·DateOct 21, 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.

Is cigarette type associated with lung cancer outcomes?

A study of over 14,000 participants found associations between specific cigarette characteristics and lung cancer outcomes. Researchers analyzed data from a lung screening trial to investigate the impact of cigarette filter status, tar level, and menthol flavor on lung cancer outcomes.

SourceJAMA Network·JournalJAMA Internal Medicine·DateOct 21, 2019