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Science News Archive July 2020


Page 14 of 47

Immune system -- Knocked off balance

A team of researchers has identified a crucial ion channel protein in mast cells that regulates calcium levels, which are essential for the activation of many types of immune cells. This discovery has significant implications for the treatment of allergies and autoimmune diseases.

Mercury remains a persistent poison in Connecticut's still river

Researchers from UConn and Wesleyan University found high levels of mercury in the Still River, exceeding EPA guidance levels for weekly consumption. The study suggests that legacy mercury pollution is persisting in the environment and impacting the food web, with bioavailable forms posing a significant health risk to humans and wildlife.

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.

Desert mosses use quartz rocks as sun shades

Researchers found that some desert mosses in the Mojave Desert grow under translucent quartz pebbles, using them as natural sunshades to retain moisture and reduce heat. This unique adaptation allows these mosses to thrive in extremely dry conditions.

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.

Phage therapy shows potential for treating prosthetic joint infections

A new study published in Clinical Infectious Diseases suggests that phage therapy could be a game-changer in treating complex bacterial infections in prosthetic joints. The treatment has shown promising results in patients with biofilm-related infections, which are notoriously difficult to eradicate with antibiotics.

COVID-19 vaccine innovation could dramatically speed up worldwide production

Researchers at the University of Texas at Austin have successfully redesigned a key protein from the coronavirus, enabling faster and more stable vaccine production. The new design, called HexaPro, produces up to 10 times more protein than an earlier version, potentially reducing vaccine doses or speeding up production.

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.

New native Hawaiian land snail species discovered, first in 60 years

A new native Hawaiian land snail species has been discovered after a decade-long survey of the islands. The discovery brings a glimmer of hope for conservation efforts, with scientists describing a small candy-striped snail that shows pronounced variation in coloring and is less than two-tenths of an inch long.

Neandertals may have had a lower threshold for pain

A study discovered that some people in Europe and South America carry a Neandertal variant of an ion channel gene, leading to increased pain sensitivity. The gene's variant is associated with a lower pain threshold compared to the modern human version.

Comparing hyperthyroidism treatments with risk of cancer death

Researchers found that patients treated with radioactive iodine and surgery for hyperthyroidism have a higher risk of dying from solid cancer compared to those treated with anti-thyroid drugs. The study suggests that the long-term effects of these treatments on cancer mortality rates are significant.

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.

Hubble sees summertime on Saturn

The latest Hubble image of Saturn reveals small atmospheric storms in the planet's northern hemisphere, with pronounced banding visible. The ringed planet's atmosphere is mostly hydrogen and helium, with seasonal changes due to increased sunlight also producing a reddish haze.

Dual role discovered for molecule involved in autoimmune eye disease

Researchers found that blocking IL-17A increases the presence of other inflammatory molecules produced by Th17 cells, immune cells involved in neuroinflammation. The study suggests a combination approach involving both IL-17A and IL-24 may be more effective in treating autoimmune disorders of the nervous system.

Apple iPhone 17 Pro

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

Coral reefs show resilience to rising temperatures

Researchers found that coral reefs in the ETP region have adapted to heat stress, with some recovering within 10-15 years after El Niño events. The study suggests that ETP corals' high reproductive rates, tolerant symbiotic algae, and geographical patterns may contribute to their resilience.

Boats and ships leave baby reef fish vulnerable to predators

A recent study found that noisy boats and ships can affect the prey response of young fishes, leading to decreased activity and reduced swimming distance. This can result in slower escape responses and increased mortality rates among juvenile reef fish.

Tracking antibody profiles for influenza exposures across the lifespan

A study published in PLOS Pathogens found that immunity to influenza accumulates during childhood and declines after 40-50 years of age. The researchers developed novel metrics to define key features of antibody profiles, which provide valuable tools for analyzing complex immune responses.

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.

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.

Dragonflies reveal mercury pollution levels across US national parks

A nationwide survey of dragonfly larvae has confirmed the use of these insects to measure mercury pollution in US national parks, providing a new tool for researchers. The study found that about two-thirds of aquatic sites studied within national parks are polluted with moderate-to-extreme levels of mercury.

Report exposes rampant illegal fishing in North Korean waters

A new study reveals widespread illegal fishing by dark fleets operating in the disputed waters between Korea, Japan, and Russia. Hundreds of Chinese vessels were found to be fishing in North Korean waters, violating UN sanctions and catching nearly as much Pacific flying squid as Japan and South Korea combined.

Meta Quest 3 512GB

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

New research finds graphene can act as surfactant

New research finds that graphene flakes can attract water at their edges but repel it on their surface, making them a new generation of surfactant. This property allows graphene to stabilise oil and water mixtures, opening up possibilities for environmentally friendly extraction of minerals and crude oil.

Getting under the skin of psoriasis

Researchers develop siRNA-based treatment for psoriasis using ionic-liquid technology, reducing inflammation and symptoms without systemic side effects. The delivery method opens up new possibilities for treating debilitating dermatological disorders.

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.

New role for white blood cells in the developing brain

Researchers discovered a population of brain-resident immune cells that transfer information from the body to the brain environment. The presence of these cells is crucial for normal brain development in mice, and their absence affects behavior and brain development.

Putting the spring-cam back into stroke patients steps

A new, lightweight device has been developed to aid stroke patients in their rehabilitation, improving walking abilities and preventing falls. The device uses a spring-cam mechanism to generate greater ankle push-off power, aiding knee flexion during walking and reducing the risk of falls.

AJTMH July updates

The American Journal of Tropical Medicine and Hygiene highlights the importance of understanding COVID-19's origins to prevent future pandemics. The journal emphasizes the need for increased funding for medical research and public health measures, warning that politics can undermine these efforts.

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.

New study: Brain tumors may be seeded from distant site

A new study published in Nature Communications suggests that glioblastoma tumors may originate from a pool of stem cells located in the subventricular zone (SVZ) of the brain, which is distinct from where the tumor becomes lethal. This finding offers potential new options for treating this aggressive brain cancer.

Primary care physicians during the COVID-19 epidemic

Researchers found loss of taste and smell to be predictive symptoms of COVID-19, contrary to hospital data. Primary care physicians' unique perspective sheds light on the limitations of relying solely on hospital data in public health policy.

Scientists race to develop an effective COVID-19 vaccine

Researchers are working on experimental gene-based vaccines using harmless viruses or DNA/RNA to deliver genetic information to human cells. The technology is fast but largely unproven, and concerns remain about neutralization levels and safety. Multiple types of vaccines will likely be needed to ensure effective immunity.

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.

Climate predictions several years into the future?

A study by GEOMAR Helmholtz Centre for Ocean Research Kiel predicts North Atlantic surface temperature variations several years into the future using wind field analysis. The researchers suggest a mechanism where winds cause changes in ocean circulation, resulting in anomalous heat accumulation and warming of the eastern North Atlantic.

Genomic signature explains FDG-avidity of PSMA-suppressed prostate tumors

A genomic signature associates with differential expression of glucose transporters and hexokinase proteins in prostate cancers with low PSMA expression. This allows for improved uptake of 18F-FDG compared to PSMA-targeted radioligands, making it an attractive imaging tool for neuroendocrine prostate cancer patients.

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.

Junk DNA might be really, really useful for biocomputing

Researchers propose using repetitive DNA sequences, known as flipons, to create logic circuits and perform calculations. These sequences can form different DNA structures, enabling the creation of genetic programs that can be used to overcome environmental challenges.

Atomic force microscopy reveals nanoscale dental erosion from beverages

KAIST researchers used AFM to analyze the effects of acidic and sugary drinks on human tooth enamel at the nanoscale level. The study found significant increases in surface roughness and decreases in elastic modulus with immersion time, highlighting the need for thorough studies on early-stage enamel erosion.

Fluke 87V Industrial Digital Multimeter

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

Fear of COVID-2019: Emerging cardiac risk

Cardiac patients facing COVID-19-related anxiety are less likely to receive necessary medical attention, according to a new study. The research highlights the urgent need for accessible and empathetic care during the pandemic.

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.

Antibiotics disrupt development of the 'social brain' in mice

A new study by Dr Katerina Johnson and Dr Philip Burnet found that antibiotic treatment in early life impairs brain signalling pathways for social behaviour and pain regulation in mice. The most striking finding was the reduced expression of receptors mediating endorphin, oxytocin, and vasopressin signalling in young animals treated wi...