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Science News Archive November 2023


Page 4 of 40

Spatial transcriptomics in development and disease

Spatial transcriptomics reveals cellular heterogeneity, organizational patterns, and molecular communications foundational to tissue structure and dynamics. The technique has enhanced throughput and resolution, offering a synthesized perspective of biological entities across various levels of detail.

Conscientious personalities less at risk of dementia diagnosis

Research reveals that people with high conscientiousness and extraversion traits are less likely to receive a dementia diagnosis, unlike those with neuroticism and negative affect. The study analyzed data from over 44,000 individuals and found no link between personality traits and actual brain pathology.

Apple iPhone 17 Pro

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

One in seven male gym goers consider impact on fertility

A study of 152 male gym enthusiasts found a significant lack of awareness about the risks of gym lifestyle on fertility. High levels of estrogen from protein supplements were linked to fertility issues, prompting a call for men to educate themselves about supplementation.

600 years of tree rings reveal climate risks in California

A new study of 600 years of tree rings from the San Joaquin Valley reveals that climate extremes have been more severe and lasted longer than modern records, highlighting flood and drought risks in California. The research combines paleo information with synthetic weather generation to help understand and anticipate these risks.

Fluke 87V Industrial Digital Multimeter

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

Releasing brakes on biocatalysis

Researchers have elucidated the molecular mechanism of formaldehyde poisoning in a class of efficient hydrogen-producing biocatalysts. The study suggests that modifying the enzyme to resist formaldehyde inhibition could enable its use in bio-based industrial processes and understanding metabolic pathways.

Study of ancient British oral microbiomes reveals shift following Black Death

New research suggests that the Second Plague Pandemic may have led to changes in the human oral microbiome, contributing to modern-day chronic diseases. The study found two distinct communities of bacteria, one dominated by Streptococcus and the other by Methanobrevibacter, with differences linked to diet and hygiene.

Digital emblem for humanitarian law in cyberspace

The ETH Zurich-developed Authentic Digital EMblem (ADEM) aims to protect humanitarian organizations' digital infrastructure from cyberattacks. The system uses a combination of security protocols, including web PKI and CT ecosystem, to ensure authenticity, accountability, and covert inspection.

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.

Enhanced treatment of liver carcinoma with a drug-eluting hydrogel

Scientists have developed a drug-eluting hydrogel that provides sustained, pH-dependent drug co-delivery and promotes anti-tumor immune responses, reducing tumor cell proliferation and growth. The treatment shows promise in treating hepatocellular carcinoma, with enhanced efficacy compared to traditional methods.

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.

Revisiting gene dosage

A study by Max Planck researchers has discovered an epigenetic regulator MSL2 that ensures the expression of both alleles of haploinsufficient genes, crucial for human health. This mechanism allows for tissue- and cell-type specificity in gene dosage, opening new directions for understanding diseases and developing potential treatments.

Can we crack this cancer’s immune response?

Researchers confirm that pancreatic cancer triggers a response in the immune system, but T cells struggle to infiltrate tumors. This finding could guide future treatment development for pancreatic ductal adenocarcinoma (PDAC), a deadly form of pancreatic cancer.

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.

Breaking down barriers: What happens when the vaginal microbiome attacks

Researchers at UC San Diego School of Medicine found that certain bacterial species dismantle protective molecules on vaginal cells, dysregulating cell turnover and response to surrounding bacteria. This study may help explain the association between bacterial vaginosis and adverse sexual and reproductive health outcomes.

Improving our understanding of the effects of PFOS on fish

Two papers advance understanding of PFOS effects on aquatic life, particularly fish, by testing multiple concentrations and confirming its presence in water. The results indicate that earlier findings were non-repeatable and likely due to biological variation rather than PFOS toxicity.

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.

Noise – not a nuisance but a source of information

Antiferromagnets exhibit fluctuations that can reveal information about their weakly magnetic material. Researchers developed a new method to detect these ultrafast fluctuations using ultrashort light pulses, leading to the discovery of telegraph noise.

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.

Popularity matters more than compatibility on dating apps

A new study by Carnegie Mellon University and the University of Washington found that online dating algorithms exhibit popularity bias, recommending more attractive users over less attractive ones. This bias boosts revenue through increased engagement and matches, but may compromise user satisfaction.

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.

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.

Common headaches tied to neck inflammation

Researchers identified a link between neck muscles and primary headaches, including tension-type headaches and migraines. Muscle T2 values were found to be significantly associated with headache frequency and neck pain.

The chip that makes calculations with light

Scientists at Politecnico di Milano have created photonic chips that can mathematically calculate the ideal shape of light to pass through any environment, increasing transmission capacity. The devices generate multiple overlapping beams with unique shapes, reducing interference and enabling high-bandwidth data transfer

Surgeon supply by county-level rurality and social vulnerability

Surgeon supply per 100,000 population decreased in rural counties and increased in urban counties between 2010 and 2020. The study found widening disparities between general surgeons, with rural and socially vulnerable counties experiencing significant shortages.

Yale study gives grandmother gecko a place of honor — and a new name

Yale paleontologists have identified a new fossil lizard, Helioscopus dickersonae, which suggests that gecko ancestors appeared in North America earlier than previously known. The discovery provides insights into the physical features of early geckos and their behavior, including their ability to climb trees.

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.

Researchers discover new classes of RNA for learning and memory

Researchers from the University of Queensland have identified a noncoding RNA called Gas5 that coordinates neuronal excitability in real time, contributing to learning and memory. The study found that this RNA is uniquely required for fear extinction memory, a type of critical input processing that leads to the formation of memory.

Narratives clash in the war taking place on social media

The study examines how social media comments influenced the public's perception of the war in Ukraine, focusing on age, gender, and ethnicity. It reveals how women are framed as symbols of national identity, with women from opposing sides being demonized or portrayed as weak.

Building blocks for life could have formed near new stars and planets

A team of researchers found that carbamic acid and ammonium carbamate can form in interstellar ices at low temperatures, potentially delivering these molecules to early Earth via comets or meteorites. This discovery could inform future studies using powerful telescopes to search for prebiotic molecules in distant star-forming regions.

Novel study finds aspirin-free regimen benefits patients with LVAD

A randomized clinical trial found that excluding aspirin from the antithrombotic regimen in LVAD patients improved adverse event rates by a significant reduction in non-surgical bleeding. The study results suggest that an aspirin-free regimen is safe and may improve longevity, morbidity, and quality of life for these patients.

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.

Protection of highly threatened sharks and rays inadequate

A new study by the University of Zurich found that global shark and ray protection is inadequate, with crucial species playing vital ecological roles in maintaining biodiversity. The research identified 18 unique functional diversity hotspots concentrated along continental shelves and oceanic islands.

Rise of microplastics discovered in placentas of Hawaiʻi mothers

A new study discovered microplastics in the placentas of Hawaiʻi mothers between 2006 and 2021, with increasing presence found each year. The researchers believe microplastics may be ingested through food or inhaling dust particles, raising concerns about their impact on fetal health.

Early humans hunted beavers, 400,000 years ago

A team from Johannes Gutenberg University Mainz found that Middle Pleistocene humans had a more varied diet than previously known, with beaver meat being a significant component. They hunted young adult beavers, indicating a deliberate strategy to target fat-rich animals as a crucial food resource during the Pleistocene era.

Pulling an all-nighter? Don’t follow with an important decision

A study from the University of Ottawa found that sleep deprivation significantly impacts decision-making processes, reducing neural responses to winning and losing outcomes. This can lead to diminished positive emotions in response to winning and negative emotions when faced with losses.

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.

Artificial intelligence paves way for new medicines

Researchers developed an AI model to predict borylation positions in drug molecules, improving chemical synthesis efficiency. The method enables late-stage drug diversification by high-throughput experimentation with geometric deep learning.

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.

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.