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Science News Archive May 2023


Page 19 of 40

Oldest architectural plans detail mysterious desert mega structures

Researchers have uncovered the oldest known architectural plans of human-made mega structures, dated to between 7,000 and 8,000 years ago. These engravings depict desert kites used to trap wild animals, showcasing a milestone in intelligent behavior and spatial representation.

Gut bacteria may contribute to delirium in elderly patients after surgery

A study found an association between gut microbiota and postoperative delirium in elderly patients, with higher levels of Parabacteroides distasonis positively associated with delirium. The findings suggest a possible pathogenesis of postoperative delirium and may lead to targeted interventions for better outcomes.

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.

Marijuana users three times more likely to develop peripheral artery disease

A recent study found that marijuana users are at a significantly increased risk of developing peripheral artery disease, with users being three times more likely to develop the condition than non-users. The study highlights the importance of early and frequent screening for this progressive disease, which can drastically impact quality...

Damage control: plant cells use mechanical cues to regenerate damaged tissues

A research group led by Osaka University found that plant mesophyll cells can detect mechanical pressure and differentiate into epidermal cell types via ATML1 gene upregulation. This study reveals the mechanisms involved in plant regeneration and offers new insights into position-dependent cell fate determination.

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.

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.

Researchers pinpoint brain cells that drive appetite in obesity

A team of researchers has discovered a group of brain cells that boosts appetite during obesity by producing the appetite-stimulating molecule NPY and making the brain more sensitive to it. These findings have the potential to take the development of anti-obesity medication into a new direction.

Study finds cancer cells use a new fuel in absence of sugar

Researchers at Michigan Medicine have discovered a new nutrient source that pancreatic cancer cells use to grow in the absence of glucose. Uridine is found in the tumor microenvironment and its exact source remains unknown. Blocking uridine metabolism may lead to new treatment options for pancreatic cancer.

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.

A new understanding of human origins in Africa

A recent study published in Nature challenges traditional views on human origins in Africa, proposing that modern humans emerged from the interaction of multiple populations across the continent. By analyzing genomic data from diverse African groups, researchers found evidence of gene flow and mixing over hundreds of thousands of years.

New study explains how a common virus can cause multiple sclerosis

A new study published in Science Advances has found that certain antibodies against the Epstein-Barr virus can mistakenly target the brain and spinal cord, causing damage in multiple sclerosis patients. The research reveals a potential link between EBV infection and MS, with implications for personalized therapies.

Apple iPhone 17 Pro

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

Evidence of ‘pandemic brain’ in college students

A study by Ohio State University researchers found that college students were less consistent in their decision making during the 2020 fall semester compared to previous years. Students were more likely to cycle between relying on gut instincts and thoroughly evaluating information depending on how scenarios were described.

Liver cells control our biological clock

Researchers from CNRS discover that liver cells control the biological clock in mammals, synchronizing peripheral clocks. This finding suggests a connection between liver health and overall metabolism, with potential implications for metabolic disease and sleep disorders.

Tick tock – the liver controls the circadian clock

Research reveals liver cells play a crucial role in regulating the body's internal circadian clock, influencing sleep patterns, hormone secretion, and metabolism. Studies on mice with humanized livers show that altered liver function can disrupt circadian rhythms, highlighting potential new treatments for metabolic diseases.

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.

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.

Researchers identify 10 pesticides toxic to neurons involved in Parkinson’s

Researchers at UCLA and Harvard have identified 10 pesticides toxic to dopaminergic neurons, which play a key role in voluntary movement. The study used California's pesticide use database and found that co-exposure of certain pesticides increased toxicity, with combinations involving herbicides like trifluralin producing the most harm.

UC San Diego researchers present new wireless system for greater 5G access

Researchers at UC San Diego have developed a new technique to increase 5G mmWave network accessibility. The 'mmFlexible' system leverages antenna arrays to divide frequency bands into multiple usable beams, reducing lag by 60-150%. This innovation addresses the challenge of efficient data distribution in millimeter wave networks.

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.

An electric vehicle battery for all seasons

A new fluorine-containing electrolyte has been developed to perform well in sub-zero temperatures, addressing the issue of cold weather affecting electric vehicle battery effectiveness. The research demonstrates how to tailor the atomic structure of electrolytes for low-temperature applications.

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.

Fauna return rapidly in planted eelgrass meadows

Researchers from the University of Gothenburg found that replanted eelgrass meadows can restore biodiversity rapidly, with up to 80% of invertebrates returning after just three months. The study's findings suggest smaller plot sizes can be used, saving money on restoration efforts while maintaining ecosystem health.

What did the earliest animals look like?

Researchers use chromosome structure to determine that comb jellies were the first lineage to branch off from the animal tree, followed by sponges. This finding sheds light on how animals arose and evolved into the diverse species we see today.

Meta Quest 3 512GB

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

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.

Scales or feathers? It all comes down to a few genes

Scientists have found that modifying the expression of specific genes can trigger the formation of feathers in chicken embryos, replacing scales. This study has significant implications for understanding how animals evolve and diversify, and could lead to new insights into similar processes in other species.

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.

Radio signal reveals supernova origin

Astronomers from Stockholm University detected the first radio emission of a Type Ia supernova, providing evidence for helium-rich circumstellar material. The discovery sheds light on the origins of these explosions and their role in measuring the expansion of the Universe.

What’s a park worth to the economy?

Researchers developed a framework to estimate economic benefits of urban parks, finding improved mental health and air quality lead to significant cost savings. The Quaker Foods City Square park in Peterborough, Ontario, yielded estimated annual benefits of over $4 million, justifying financial investment.

Fluke 87V Industrial Digital Multimeter

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

Psychopathic traits behind the rise and fall of Madoff

A study by Anglia Ruskin University found that Madoff's business dealings, trial, and prison time revealed a high score on psychopathy scales. The research warns companies to identify and prevent corporate psychopaths who can bring down organizations and economies through recklessness and greed.