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Science News Archive 2023


Page 235 of 444

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.

The Air Pollution Complex: improved air pollution understanding in China

Researchers in China have developed a new theoretical framework to understand and predict air pollution, highlighting the complexity of coal combustion and vehicle exhaust interactions. The Air Pollution Complex is a holistic approach that considers multiple emission sources and chemical processes.

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.

Study shows ancient Alaskans were freshwater fishers

Researchers discovered that ancient Alaskans between 13,000 and 11,500 years ago relied on freshwater fish like burbot, whitefish, and pike for sustenance. This finding provides insight into how early humans adapted to environmental changes, using techniques such as nets and weirs.

10-year countdown to sea-ice-free Arctic

A new study predicts Arctic sea ice will vanish by the 2030s if greenhouse gas emissions continue unchecked. The research, published in Nature Communications, analyzes 41 years of data and confirms human activities as the primary cause of Arctic sea ice decline.

Apple iPhone 17 Pro

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

Breaking symmetry to excite polaritons

Scientists develop a new technique for in-plane anisotropic excitation and propagation of hyperbolic polaritons, breaking mirror symmetry without low crystalline symmetry. This enables dynamic control over light guiding and propagation on the nanoscale.

Light Pollution Special Issue

Researchers warn of growing adverse impacts of light pollution on plants, animals, and entire ecosystems. Light pollution causes habitat loss, disrupts food webs, and declines insect populations.

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.

A newly identified protein confers drought tolerance to plants

Researchers at CRAG have discovered a key role for AtMC3, a metacaspase protein located exclusively in phloem tissue, in drought stress response. Increasing AtMC3 levels improves plant survival and photosynthetic capacity under water scarcity conditions, offering a potential tool to fine-tune early drought responses.

Shock to the crop system

A new study by University of Delaware researchers assesses the effects of climate variability on crop production in the US. The study reveals that fluctuations in planted and harvested areas contribute significantly to crop production shocks, which can have severe impacts on food stability.

Midgut gland of scallops: a valuable source of fucosylated heparan sulfate

The study reveals that the midgut gland of Japanese scallops is a valuable source of fucosylated heparan sulfate, exhibiting anticoagulating and neurite outgrowth-promoting activities. Fuc-HS shows resistance to GAG-degrading enzymes, indicating its unique structure with a fucosyl group attached to GlcA.

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.

Researchers demystify the unusual origin of the Geminids meteor shower

Princeton researchers used data from NASA's Parker Solar Probe to determine that a catastrophic event, such as a high-speed collision or gaseous explosion, likely created the Geminids meteoroid stream. This is in contrast to most meteor showers, which originate from comets emitting tails of ice and dust.

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.

An unseen industry: when Neanderthals turned bone into tool

A genuine bone industry was found at the Chez-Pinaud-Jonzac Neanderthal site, revealing that Neanderthals processed bone using their own techniques. Bone tools, including cutting tools and scrapers, were used for various activities and on multiple materials, contrary to previous assumptions about modern human influence.

A "spy" in the belly

A new sensor patch detects digestive fluid leaks in the abdominal cavity through a sensitive reaction to changes in pH value and proteins. The patch can also visualize gas bubbles using ultrasound, reducing reliance on physical reactions or laboratory tests.

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.

Extensive study links cannabis use disorder to mental disorders

A large Danish study suggests that cannabis use disorder is associated with an increased risk of developing depression and bipolar disorder. The research analyzed data from over six million individuals and found a two-to-three-times higher risk of developing bipolar disorder in both men and women.

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.

New butterfly species named after Smithsonian's retired museum specialist

A new butterfly species, Caeruleuptychia harrisi, has been discovered and named in recognition of Brian P. Harris' decades-long work supporting researchers at the Smithsonian National Museum of Natural History. Harris provided critical support to visiting researchers, including the paper's lead author, Shinichi Nakahara.

Rising rates of benzodiazepine toxicity among young people spark concern

A new study found a 67% increase in hospital encounters for benzodiazepine-related toxicity among young adults and a 44% rise in youth aged 18 or below in Ontario between 2013 and 2020. The increased risk is attributed to the growing presence of non-pharmaceutical benzodiazepines in the unregulated opioid supply.

New tool uncovers COVID-19 susceptibility mechanism

Researchers developed a new tool, GASPACHO, to capture dynamic changes in gene expression along the innate immune response. They identified a gene variant affecting COVID-19 susceptibility, shedding light on molecular mechanisms underlying disease pathogenesis and identifying potential therapeutic targets.

Fluke 87V Industrial Digital Multimeter

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

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.

Previously overlooked algae toxin widespread in southern Indian River Lagoon

A study by Florida Atlantic University's Harbor Branch Oceanographic Institute found domoic acid toxin in 87% of samples from the southern Indian River Lagoon, which can harm shellfish, finfish, birds, and humans. The toxin is more prevalent in cool temperatures and high salinity waters, suggesting it may be a resident population.

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.

New discovery can help detect brain tumors

Researchers have made a significant finding in detecting brain tumors by exploiting folate receptors. Folate receptor expression is significantly higher in glioma tissue compared to adjacent healthy brain tissue, presenting a promising target for future treatments.

Carbon mitigation payments can make bioenergy crops more appealing for farmers

A new study from the University of Illinois shows that carbon mitigation payments can increase net returns and reduce income risk for farmers growing bioenergy crops. The researchers found that higher biomass prices and targeted carbon credits can make these crops more appealing to farmers, regardless of their risk preference.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Jefferson Lab oversight roles filled by DOE

Craig Ferguson has been appointed manager of the DOE Thomas Jefferson Site Office, leading in oversight and contract management of Jefferson Lab. Donté Davis, previously in the role, will support the office's wide range of oversight programs.

Scientists report ‘benchmarks’ for extreme space weather

High-energy electrons pose significant radiation damage to satellites; a new study sets benchmark levels for extreme space weather events. Satellite operators must prepare against these risks as the global space economy relies on over 5,465 operational satellites.

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.

Diagnosis of rare, genetic muscle disease improved by new approach

Researchers at Washington University School of Medicine developed a catalog to classify protein variants associated with limb girdle muscular dystrophy. The approach enables doctors to determine the pathogenicity of variants, leading to more precise diagnoses and potential therapies.

Chronic wound healing using glass

Bioactive glasses with ionic silver show improved antimicrobial activity and can retain effectiveness against antibiotic-resistant bacteria. The study demonstrates the potential for this combination to deliver more effective wound protection than conventional alternatives.

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.

Wildfire smoke threatens already endangered orangutans

A new study led by Cornell University's Wendy Erb found that orangutan vocal changes can be used to assess their health, as they alter their frequency and quality of sounds in response to wildfire smoke. This innovative method could help monitor the endangered species' well-being without putting them at risk.