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Science News Archive November 2019


Page 25 of 41

Trauma and kids: The role of the early childhood teacher

Researchers found that early childhood teachers can help secure the emotional development of children dealing with trauma. Teachers can use holistic approaches, educate children about emergencies, and maintain trust to build self-esteem and resilience. They should also involve parents in emergency planning and provide consistent routines.

Cells control their dance of death

White blood cells use a protein called Plexin B2 to coordinate cell death and send signals to phagocytes for removal. This process is crucial for understanding inflammatory disorders like autoimmunity.

First evidence of feathered polar dinosaurs found in Australia

Fossilized dinosaur and bird feathers from Australia provide the first record of feathered polar dinosaurs, showing diversity of proto-feathers for insulation. Microscopic analysis reveals melanosomes indicating possible dark colors for camouflage and heat absorbance in cold climates.

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.

Epigenetic switch found that turns warrior ants into forager ants

Researchers find epigenetic regulator CoRest plays a major role in differentiating social behavior in ants, influencing foraging and defense behaviors. Reprogramming of Major soldier ants to forage was shown to occur through transient epigenetic plasticity linked to long-lasting behavioral change.

Defining a new approach to treating Parkinson's disease

A new mechanism has been discovered for the development of Parkinson's disease, which could lead to a more targeted therapy. Researchers have found that excessive calcium influx through specific ion channels, Cav2.3 channels, contribute significantly to the disease.

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.

Bats don't rely on gut bacteria the way humans do

Researchers discovered that bats have fewer bacterial species living in their guts than in their mouths and skin. The kinds of bacteria living in the bats' guts varied from species to species without following any apparent evolutionary pattern, a stark contrast to other mammals.

The environmental cost of cryptocurrency mines

The research found that cryptocurrency mining is associated with worse air quality and increased CO2 emissions, impacting communities nationwide. The study estimates that in 2018, every $1 of Bitcoin value created was responsible for $0.49 in health and climate damages.

Magnetic tuning at the nanoscale

Researchers from HZDR create stable, periodically arranged nanomagnets using a helium-ion microscope. The device optimizes material properties, including carbon nanotubes, and finds applications in spintronic devices and sensing technology.

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.

Historic shadows in a glass house

Researcher Nora Wendl is re-examining the life and legacy of Edith Farnsworth, a pioneering female physician who commissioned Ludwig Mies van der Rohe to build Farnsworth House. By removing Mies-designed furniture, Wendl aims to showcase Farnsworth's own design vision and challenge traditional narratives of modern architecture.

Knowledge of the origin of the food makes it taste better

A study by Future Consumer Lab at the University of Copenhagen found that young Indonesians preferred traditional tempe made with local ingredients and produced using traditional methods. The researchers believe that the pride in a traditional dish can significantly impact its perceived taste. The study suggests that producers in Indon...

A milestone in ultrashort-pulse laser oscillators

Researchers at ETH Zurich have demonstrated a sub-picosecond thin-disk laser oscillator achieving an average output power of 350 W, surpassing the previous record. The breakthrough enables efficient cooling and heating control, paving the way for even more powerful lasers with potential kilowatt-level output.

Apple iPhone 17 Pro

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

Magnetic skin ensures the force is with you

Researchers at KAUST have developed a wearable, flexible magnetic skin that can remotely control switches and keyboards without wired connections. The innovative technology has potential applications in human-computer interfaces for people with paralysis, gaming, sleep pattern analysis, and noninvasive biomedical device localization.

Iron-based solar cells on track to becoming more efficient

Researchers at Lund University have found that 30% of energy in certain light-absorbing iron molecules disappears unexpectedly. To improve efficiency, they aim to close this loophole by exploring methods for extracting all the energy from these molecules.

Severity of earthquake impact may change with the seasons, study shows

Researchers found that a shallow frozen ground layer present in winter months can lead to greater ground failure and damage after earthquakes. The study on two historical earthquakes in Kazakhstan shows that the presence of this layer can generate more severe ground fracturing during earthquakes in the winter.

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.

BU doc wins prestigious John P. McGovern award

Dr. Daniel P. Alford received the John P. McGovern Award for Excellence in Medical Education and Substance Use Research at AMERSA's annual conference. He is a renowned expert in addiction medicine and has trained over 165,000 healthcare professionals through his SCOPE of Pain program.

Deep learning expands study of nuclear waste remediation

Researchers used physics-informed generative adversarial networks (GANs) to model subsurface flow in the Hanford Site, achieving exaflop performance. The approach enabled estimation of hydraulic conductivity and hydraulic head with high accuracy, overcoming the limitations of traditional methods.

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.

Ant expert discovers newly emergent species in his backyard

A global ant expert has discovered a new, native species in his Utah backyard, which is likely adapted to the region's warm and moist habitats. The species, Strumigenys ananeotes, was found in areas with over 150 years of irrigation and introduced forest.

Bacteria may contribute more to climate change as planet heats up

Research suggests that bacteria and archaea, collectively known as prokaryotes, will increase their carbon output in response to higher temperatures. The study found that most prokaryotes will speed up their metabolism and produce more carbon dioxide, contributing to climate change.

Polygenic risk score improves psychosis risk prediction

A new study by UNC researchers found that using a polygenic risk score (PRS) improves psychosis risk prediction in persons meeting clinical high-risk criteria. The PRS, developed from genome-wide association studies (GWAS), discriminates persons with schizophrenia from unaffected individuals and predicts future psychosis.

Complementary and alternative therapies to treat colic

A review of complementary and alternative therapies for treating infantile colic found some treatments like probiotics, fennel extract, and spinal manipulation to be effective but with limitations due to small sample sizes and subjective measurement methods.

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.

Drug dust

Researchers at Harvard University have developed a promising new tool called MagLev that can identify smaller concentrations of drug powders than any other device. The technology separates substances based on density and can handle far more substances than current quick-test options.

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.

Nitrous oxide emissions set to rise in the Pacific Ocean

New research in the Pacific Ocean reveals that ocean acidification is increasing nitrous oxide production, a potent greenhouse gas. If current trends continue, N2O emissions could surge by 185-491% by 2100, exacerbating climate change.

Widespread misinterpretation of gene expression data

Researchers found a technical bias in RNA-seq data, leading to false results and misinterpretation of biological functions. The study highlights the importance of proper statistical handling to filter out false calls and preserve genuine findings.

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.

Individual climate models may not provide the complete picture

Climate scientists have found that individual climate models may not provide the complete picture of the Earth's climate sensitivity due to underestimated internal climate variability. Combining uncertainty from multiple models yields wider distributions, improving long-term predictions.

The thrust of the problem

A team of researchers from UC Riverside has determined a new geometric model for the Main Himalayan Thrust fault, allowing officials to better prepare for future earthquakes. The study found that the fault is still accumulating stress and may have increased the likelihood of another big earthquake nearby.

What leads citizens to vote for 'anti-establishment' parties?

The study reveals that lack of trust in political representation and dissatisfaction with the domestic economic situation are key factors driving voters to challenger parties. Citizens who feel unwary of the political classes and are disenchanted with their economic situations are attracted to anti-establishment discourse and rhetoric.

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.

Does blue light therapy help acne? Efficacy and evidence is lacking

A systematic review and meta-analysis of 14 randomized controlled trials found only three significant improvements in acne severity with blue light therapy. The majority of trials lack sufficient evidence to conclude the treatment's efficacy, highlighting the need for more research.

Beware probiotics in ICU patients

A study found that probiotics can cause bloodstream infections in ICU patients, with 1.1% of cases linked to Lactobacillus bacteria. Genetic analysis revealed a mutation that made the bacteria resistant to antibiotics, highlighting the need for caution when using probiotics in critically ill patients.

Stalled weather patterns will get bigger due to climate change

A Rice University study found that climate change will increase the size of stalled high-pressure weather systems, leading to larger heat waves and more severe droughts. The research used climate model simulations to predict a 17% increase in blocking events in the northern hemisphere.

Meta Quest 3 512GB

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

Boosting host immune defenses to treat tuberculosis

Researchers discovered that enhancing RNA sensor activities can inhibit Mtb growth and increase production of interferon and IFITM3, key elements of the immune response against tuberculosis. A repurposed antiparasitic drug called nitazoxanide may complement traditional regimens by boosting host defenses.

Gender quotas in business -- how do Europeans feel?

A recent study published in Comparative European Politics found that EU attitudes on gender quotas in management boards are divided, with stronger support in countries like Cyprus and Portugal. The study revealed a paradoxical relationship between support for the quota and actual gender equality in each country.

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.

What future do emperor penguins face?

A team of scientists predicts that emperor penguin colonies will decline drastically due to global warming, with 5-6°C temperature increase leading to near-total collapse. Climate models show that sea ice melting will deprive the birds of habitat and food sources, threatening their survival.

Massive photons in an artificial magnetic field

Researchers create two-dimensional system to trap photons, which behave like massive quasiparticles with a magnetic moment. This discovery could lead to new optoelectronic devices and unique quantum states of matter.

How artificial intelligence can transform psychiatry

Researchers developed a speech-based mobile app that can categorize a patient's mental health status as accurately as or better than humans. The AI system assesses speech samples, compares them to previous samples and the broader population, and rates the patient's mental state.

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.

Scientists crack rabies virus weaponry

Researchers have discovered a way to stop the rabies virus from shutting down the immune system, solving a long-standing scientific puzzle. The breakthrough involves disabling the binding of viral proteins to host cells' STAT1 protein, paving the way for new oral vaccines.

Study reveals 'bug wars' that take place in cystic fibrosis

A study in eLife reveals how respiratory bugs in cystic fibrosis patients interact, influencing disease progression and survival. The research found that one bacterium enhances the movement of another, while others significantly increase its mobility.