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Science News Archive March 2020 - Page 39


Page 39 of 41

What can you learn by peering into a fruit fly's gut? It turns out a lot!

A new research tool allows biologists to watch in real time the cell renewal process that keeps gut tissue healthy, as well as the interactions between bacterial species that make up the microbiome. Researchers discovered regional differences in microbiome stability that mimic the regionality of stem cell activity.

SourceCarnegie Institution for Science·JournalPLOS Biology·DateMar 2, 2020

Fish school by randomly copying each other, rather than following the group

A team of researchers has shown that fish school by copying each other and changing directions randomly, rather than calculating and adapting to an average direction of the group. This new model proposes that noise-induced ordering is responsible for schooling behavior, contradicting previous theories.

SourceUniversity of New South Wales·JournalNature Physics·DateMar 2, 2020

OHSU-led evidence review shows new therapy for Hepatitis C is highly effective

A systematic evidence review by OHSU researchers found that new direct-acting antiviral therapies are highly effective in eliminating the Hepatitis C virus infection. The review informed a new recommendation for universal screening of Hepatitis C, with the therapy being more than 95% effective even in young people.

SourceOregon Health & Science University·JournalJournal of the American Medical Association·DateMar 2, 2020

2016 US election result preceded fall in proportion of boys born in Canada

Research found a short-term drop in the proportion of boys born in Ontario, Canada's most populated province, following the 2016 US presidential election. This effect was observed only in politically liberal areas, not in conservative ones, suggesting a potential impact of societal stressors on birth ratios.

SourceBMJ Group·JournalBMJ Open·DateMar 2, 2020
Apple iPhone 17 Pro

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

Putting a price on the protective power of wetlands

A new study estimates the monetary value of wetlands' property-protecting services, with one square kilometer valued at $1.8 million annually. Coastal counties with more wetlands experience less property damage from hurricanes and tropical storms.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·DateMar 2, 2020

Study links frequent tooth brushing to lower risk of diabetes while dental disease and missing teeth associated with increased risk; stronger effect of tooth brushing in younger adults and women

A study published in Diabetologia found that frequent tooth brushing is linked to a lower risk of developing diabetes, with an 8% reduced risk for those brushing three times a day or more. In contrast, dental disease and missing teeth are associated with a higher risk of diabetes, with increases of 9% and 21% respectively.

SourceDiabetologia·JournalDiabetologia·DateMar 2, 2020
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.

Researchers study role culture plays in feeling sick

A study by UTSA researchers found a significant link between cultural values and how individuals express illness. Participants who identified as stoics or had lower household incomes were more likely to claim being sick. The study's findings have implications for understanding sickness behavior and its relationship with social norms.

SourceUniversity of Texas at San Antonio·JournalFrontiers in Behavioral Neuroscience·DateMar 2, 2020

Indigenous-led health care partnerships flourishing in Canada

Innovative, Indigenous-led health care partnerships are showing improved health outcomes and access to care for Indigenous patients. These partnerships incorporate traditional Indigenous knowledge and cultural healing practices, addressing the holistic needs of patients.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateMar 2, 2020

How three genes rule plant symbioses

A study published in Nature Plants reveals that three genes are shared exclusively by plants forming intracellular symbiosis with different microbial partners. This finding demonstrates a conserved genetic program underlying diverse types of symbioses, allowing plants to access additional nutrients.

SourceJohn Innes Centre·JournalNature Plants·DateMar 2, 2020
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.

To predict an epidemic, evolution can't be ignored

Researchers at Carnegie Mellon University developed a mathematical theory that takes into account evolutionary changes in pathogens or information. This theory was tested against thousands of computer-simulated epidemics and found to be more accurate than traditional models.

SourceCollege of Engineering, Carnegie Mellon University·JournalProceedings of the National Academy of Sciences·DateMar 2, 2020

Study finds 'silent' genetic variations can alter protein folding

Scientists have found that 'silent' genetic variations in DNA sequences can significantly impact protein folding, impairing cell function. The study, conducted by the University of Notre Dame, used a bacterium to test this hypothesis, finding that synonymous mutations can alter protein synthesis rates.

SourceUniversity of Notre Dame·JournalProceedings of the National Academy of Sciences·DateMar 2, 2020

The dairy dilemma: Low-fat is not necessarily better for kids

Research reviewing 29 studies found no clear association between whole-fat dairy consumption and weight gain, high cholesterol, or high blood pressure in children. Full-fat dairy may actually play a role in a balanced diet for growing children due to its nutrient content.

SourceEdith Cowan University·JournalAdvances in Nutrition·DateMar 2, 2020

Radionuclide levels in freshwater fish differ between lakes and rivers

A new study by the National Institute for Environmental Studies in Japan found that biotic and abiotic factors affecting radionuclide accumulation in fish are dependent on the ecosystem and differ between lakes and rivers. The study analyzed 30 species of fish from five rivers and three lakes in Fukushima, revealing significant differe...

SourceNational Institute for Environmental Studies·JournalJournal of Environmental Radioactivity·DateMar 2, 2020
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.

Atomic vacancy as quantum bit

Researchers from JMU have successfully demonstrated the existence of spin centers in boron nitride crystals, exhibiting magnetic dipole moments and optical properties. This discovery paves the way for developing artificial two-dimensional crystals with tailored properties.

SourceUniversity of Würzburg·JournalNature Materials·DateMar 2, 2020

Cloud data speeds set to soar with aid of laser mini-magnets

Researchers have created a single-molecule magnet that can store and access data using laser pulses, enabling hard drives to process data up to 100 times faster than current technologies. This development could improve energy efficiency and reduce carbon emissions from cloud computing systems.

SourceUniversity of Edinburgh·JournalNature Chemistry·DateMar 2, 2020
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.

Egg stem cells do not exist, new study shows

Researchers at Karolinska Institutet found that so-called egg stem cells do not exist in the human ovary, contrary to previous reports. The study's comprehensive map of ovarian cells will contribute to the development of new methods for treating female infertility.

SourceKarolinska Institutet·JournalNature Communications·DateMar 2, 2020

UBCO professor simplifies exercise advice for spinal cord injury

A UBCO professor has developed an online platform to help people living with spinal cord injury lead a more active life. The new guideline provides clear and accessible information on the amount and type of activity needed to achieve health benefits, helping to overcome a major barrier to physical activity.

SourceUniversity of British Columbia Okanagan campus·JournalSpinal Cord·DateMar 2, 2020

A current map for improving circuit design

Researchers at KAUST developed a practical method to visualize the magnitude and direction of current flow through magnetic thin films. By using skyrmions and magneto-optical Kerr microscopy, they directly mapped nonuniform electrical current distribution in layered platinum, cobalt, and tantalum materials.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalScience Advances·DateMar 2, 2020

Quantum mechanical simulations of Earth's lower mantle minerals

Recent advancements in quantum mechanical computation enable precise predictions of complex minerals' stability, elasticity, and transport properties. These calculations reveal new insights into the Earth's deep interior, including post-perovskite phase boundaries and potential hydrous compounds.

SourceEhime University·JournalAnnual Review of Earth and Planetary Sciences·DateMar 2, 2020
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.

Domain-specific organization in infant brains

Researchers analyzed 30 infants' brain networks and found domain-specific organization in facial recognition (by 6 days) and scene recognition (by 27 days). These findings indicate that innate connectivity plays a crucial role in shaping the developing cortex.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateMar 2, 2020

Coping strategies, a matter of neuron

The study found that prefrontal corticotropin-releasing factor (CRF) neurons regulate behavioral style selection during stress. Activating these neurons promotes stress-resistant behaviors, while inhibiting them increases immobility and social avoidance.

SourceUniversity of Science and Technology of China·JournalNeuron·DateMar 2, 2020

The neural basis of sensory hypersensitivity

A new study reveals a neural circuit that underlies sensory hypersensitivity in mice with autism-like traits. The research suggests that reestablishing normal levels of neuron activity could reverse this kind of hypersensitivity, providing a potential target for developing treatments.

SourceMassachusetts Institute of Technology·JournalNature Neuroscience·DateMar 2, 2020

Marine cyanobacteria do not survive solely on photosynthesis

A recent review article reveals that marine cyanobacteria, such as Prochlorococcus and Synechococcus, can thrive on organic compounds from their environment. These findings are crucial for understanding cycles of essential elements like carbon, iron, phosphorus, and nitrogen.

SourceUniversity of Córdoba·JournalThe ISME Journal·DateMar 2, 2020
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.

App detecting jaundice may prevent deaths in newborns

A smartphone app detecting jaundice in newborns may prevent deaths and disabilities due to its accuracy and low cost. The app uses images captured on a smartphone camera to quantify the yellowness of the eye, similar to expensive hand-held devices.

SourceUniversity College London·JournalPLOS ONE·DateMar 2, 2020

Signs of international trade in Chinese porcelain

Research on Chinese porcelain has uncovered evidence of international trade in cobalt-based blue pigment, suggesting a globalized industrial chain by the 15th century. The study found that blue-and-white porcelain from the Xuande Period exhibited a mixture of domestic and imported pigment particles.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateMar 2, 2020

5,000-year-old milk proteins point to the importance of dairying in eastern Eurasia

Researchers analyzed dental calculus from ancient Mongolians and found evidence of dairy consumption dating back to around 3000 BCE. The study suggests that migration played a key role in the introduction of dairy pastoralism to East Asia, with multiple animal species being used for milk production.

SourceMax Planck Institute of Geoanthropology·JournalNature Ecology & Evolution·DateMar 2, 2020

Deep learning rethink overcomes major obstacle in AI industry

Rice University researchers developed a cost-saving alternative to GPU acceleration called SLIDE, which uses general-purpose CPUs without specialized hardware. The algorithm outperforms traditional back-propagation training with hash tables, reducing computational overhead and enabling faster deep learning on CPUs.

SourceRice University·DateMar 2, 2020

Ocean changes almost starved life of oxygen

A new study found that ocean changes in the early Neoproterozoic era limited phytoplankton growth and oxygen release, maintaining an oxidizing atmosphere. The study suggests that phosphorus levels remained 'just sufficient' to support life.

SourceUniversity of Exeter·JournalNature Geoscience·DateMar 2, 2020
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Earliest look at newborns' visual cortex reveals the minds babies start with

Researchers have discovered that newborns' brains show a strong connection between face and place processing networks just six days after birth. The findings suggest that babies are born with a specialized visual cortex, with patterns of brain activity similar to those of adults.

SourceEmory Health Sciences·JournalProceedings of the National Academy of Sciences·DateMar 2, 2020

Drug shows promise in reducing deadly brain swelling after stroke

A new compound has been discovered that targets a pathway causing brain swelling after stroke, potentially reducing cases of brain injury and death. The compound, called ZT-1a, was tested on mice and rats with stroke or hydrocephalus and showed promise in effectively reducing brain swelling.

SourceUniversity of Exeter·JournalNature Communications·DateMar 2, 2020

Swamp wallabies conceive new embryo before birth -- a unique reproductive strategy

Researchers confirm swamp wallabies ovulate and mate while carrying a full-term fetus, creating a unique reproductive strategy that supports continuous embryo development. This phenomenon allows the female to be pregnant throughout her reproductive life, exceeding the duration of the oestrous cycle.

SourceForschungsverbund Berlin·JournalProceedings of the National Academy of Sciences·DateMar 2, 2020
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.

Despite best intentions, researchers don't always share findings with study participants

Most clinical trial participants are not informed about the results of studies they participated in, despite wanting this information. Researchers want to share findings but lack effective communication skills to reach lay public. The study highlights the need for better training on communicating research results to study participants.

SourceMedical University of South Carolina·JournalJournal of Clinical and Translational Science·DateMar 2, 2020

Mapping childhood malnutrition

Millions of children under five years old suffer from childhood malnutrition, resulting in stunted growth and cognitive impairments. The global community is working to reduce childhood stunting by 40% by 2025 through initiatives such as the World Food Programme.

SourceNational Research University Higher School of Economics·JournalNature·DateMar 2, 2020

Beef consumption hurting river quality

A new study published in Nature Sustainability shows that irrigation of cattle feed crops is the leading driver of water shortages and fish imperilment in the Western United States. Sixty fish species are at an elevated risk of global extinction due to flow depletion, primarily caused by irrigation of cattle-feed crops.

SourceUniversity of Delaware·JournalNature Sustainability·DateMar 2, 2020
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

KITE code could power new quantum developments

Researchers developed open-source software to assist in creating quantum materials, which could vastly increase computing power and reduce energy consumption. The Quantum KITE initiative uses sophisticated computer programmes to predict material properties, enabling the creation of realistic simulations with unprecedented atom numbers.

SourceUniversity of York·JournalRoyal Society Open Science·DateMar 2, 2020

The world faces an air pollution 'pandemic'

Researchers estimate that air pollution causes an extra 8.8 million premature deaths annually, shortening global life expectancy by nearly three years. Cardiovascular diseases account for the greatest proportion of shortened lives, with older people disproportionately affected.

SourceEuropean Society of Cardiology·JournalCardiovascular Research·DateMar 2, 2020

NIH-funded research team updates online tool for extremely preterm infant outcomes

The updated online tool provides information on infant survival and neurological impairment, incorporating hospital data to inform treatment decisions. Researchers found that hospital-specific estimates of survival are as important as gestational age in determining infant outcome.

SourceNIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development·JournalJAMA Pediatrics·DateMar 2, 2020

What if mysterious 'cotton candy' planets actually sport rings?

New research suggests that some 'cotton candy' exoplanets could have rings, challenging current ideas about their low densities. The discovery proposal, led by Anthony Piro and Shreyas Vissapragada, simulates how ringed exoplanets would appear to astronomers using high-precision instruments.

SourceCarnegie Institution for Science·JournalThe Astronomical Journal·DateMar 2, 2020
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.

Engendering trust in an AI world

Experts weigh the importance of balancing individual rights with innovation in regulating personal data. Singapore's Personal Data Protection Act (PDPA) aims to strike a balance between privacy protection and business interests.

SourceSingapore Management University·DateMar 2, 2020

Study maps landmarks of peripheral artery disease to guide treatment development

Researchers identified key features and events over four phases of recovery in mice with surgically narrowed arteries, creating signposts for understanding PAD and developing treatments. By using multiple imaging methods, the study aims to facilitate more optimal approaches to treatment and improve diagnosis.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalTheranostics·DateMar 2, 2020
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.

NASA finds ex-Tropical Cyclone Esther moving back inland

Ex-Tropical Cyclone Esther has turned back into Western Australia, bringing heavy rainfall and flood warnings to the region. The Australian Bureau of Meteorology issued a Flood Watch for several areas, with widespread daily totals of 50-80 mm expected, and isolated falls of up to 150 mm possible.

SourceNASA/Goddard Space Flight Center·DateMar 2, 2020

The Lancet Oncology: Targeted treatments for pancreatic cancer may help eligible patients live an extra year

Results from 46 patients who received targeted therapies alongside standard chemotherapy showed a 31-month average survival compared to 18 months for those without molecular changes. Targeted therapy has already improved survival for many forms of cancer and could be a game-changer for pancreatic cancer patients with specific alterations.

SourceThe Lancet·JournalThe Lancet Oncology·DateMar 2, 2020

New 'organ-on-a-chip' system holds promise for drug toxicity screening

Researchers developed a multi-organ-on-a-chip to test how new drugs affect vital organs, demonstrating its effectiveness in screening FDA-recalled drugs. The system showed that 3D organoids could demonstrate toxicity at human-relevant doses, while commonly used drugs remained viable.

SourceIOP Publishing·JournalBiofabrication·DateMar 2, 2020

Kin selection and host manipulation

A study on the parasitic lancet fluke Dicrocoelium dendriticum found that genetically identical brain flukes are often present in both ant brains and abdomens, suggesting kin selection plays a key role in its evolution. This manipulation of host behavior supports an altruistic strategy, where clonemates are cotransmitted into ants.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateMar 2, 2020
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.

Blood test method may predict Alzheimer's protein deposits in brain

A new blood test detects abnormal tau protein accumulation, differentiating healthy participants from those with Alzheimer's pathology and predicting disease progression. The test shows promise for early detection and diagnosis of Alzheimer's disease and related neurodegenerative disorders.

SourceNIH/National Institute on Aging·JournalNature Medicine·DateMar 2, 2020

CRISPR-HOT: A new tool to 'color' specific genes and cells

Researchers developed CRISPR-HOT to label specific genes in human organoids, enabling the study of abnormal cell division and cancer development. By disabling the cancer gene TP53, they found that unstructured divisions of abnormal hepatocytes were more frequent, contributing to cancer development.

SourceHubrecht Institute·JournalNature Cell Biology·DateMar 2, 2020

The GDP fudge: China edition

A study found that Chinese firms in provinces with lower GDP growth are more likely to engage in earnings management to prop up provincial GDP figures. This leads to a range of negative consequences for the firms, including high bad debt expenses, inventory write-offs, and asset impairment losses.

SourceSingapore Management University·DateMar 2, 2020