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Science News Archive March 2020


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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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...

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Apple iPhone 17 Pro

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.