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Science News Archive 2021


Page 227 of 510

Human exploitation of Caribbean shark communities

A study analyzed fossil dermal denticles from ancient coral reefs and modern reefs to estimate Caribbean shark abundance before and after human settlement. The results show a significant decline in shark populations, with fast-swimming species facing the greatest losses.

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.

Innovative method for producing complex molecules

A team of FAU researchers has developed an innovative process for producing asymmetrical hexaarylbenzene (HAB) molecules with six different aromatic rings. The four-step domino reaction allows for the efficient synthesis of large quantities of these complex molecules without toxic metals.

MasSpec Pen shows promise in pancreatic cancer surgery

The MasSpec Pen technology has been shown to accurately identify healthy and cancerous tissue in pancreatic cancer surgeries, giving patients the greatest chance of survival. The device is over 100 times faster than current gold standard diagnostic methods.

Apple iPhone 17 Pro

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

Comprehensive genetic study of cleft lip and palate

A comprehensive genetic study led by the University of Bonn has identified 45 new regions in the human genome associated with an increased risk of cleft lip and palate. These regions are linked to variations in DNA sequences that regulate gene activity, disrupting normal facial development.

Potential of faba beans, rich in protein, has been unlocked

Researchers have identified the gene responsible for faba bean's production of vicine and convicine, two compounds that cause favism in susceptible individuals. The team has also found a specific mutation within this gene that reduces synthesis, leading to low vicine and convicine content in certain varieties.

Oncotarget: General anesthesia for pancreatic cancer surgery

A prospective study analyzing plasma metabolomics during general anesthesia in patients with pancreatic malignancy reveals perioperative tryptophan depletion and increased taurine synthesis. This finding has implications for personalized perioperative management and may identify therapeutic windows for immunotherapy or chemotherapy.

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.

Integrate disciplines to conserve biodiversity

The article emphasizes the importance of integrating different disciplines and stakeholders in conservation efforts. Key findings include the need for increased funding and expert guidance for transdisciplinary research, as well as the benefits of such approaches, including improved data quality and innovation.

Belowground microbial solutions to aboveground plant problems

Researchers found that the presence of beneficial bacteria in plant roots promotes growth under low light conditions, but reduces defense against leaf pathogens. The study suggests a complex interplay between plant growth and defense responses mediated by root microbiota.

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.

Temperature cues for bird migration

Research reveals that Asian houbara birds use internal temperature cues to fine-tune their migration departure times, adapting to annual temperature variability without genetic changes. Temperature cues are more consistently used than other environmental factors like daylight length or wind velocity.

COVID gets quantum treatment for drug discovery

Researchers from Oak Ridge National Laboratory used Stampede2 to refine the screening of potential drug molecules targeting COVID-19's spike protein. The method, developed by Stephan Irle and Van Quan Vuong, uses quantum mechanics-based ranking refinement and binding analysis to identify top candidates for further testing.

Modelling COVID-19 cases in Africa

African countries can better interpret complex data with a new data-driven framework, tracking and predicting country-level case incidence. The framework considers factors like testing capacity, social policy, landlocked status, temperature, and humidity.

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.

Toba supereruption and global climate

A study suggests that the Toba supereruption led to regional variations in climate impacts, with cooling predictions ranging from 4°C to 10°C in the Northern Hemisphere. Early human populations in these regions thrived despite the eruption's severity, according to independent archaeological evidence.

New report aims to improve VR use in healthcare education

The report argues for greater standardization of immersive technologies in healthcare training and education. It recommends developing a set of principles and guidelines for the use of immersive technology in medical treatment to make training more accessible and effective.

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.

Next-generation sequencing uncovers what's stressing bumblebees

Scientists used next-generation sequencing to study bumblebee health, finding evidence of pesticide exposure, including neonicotinoids, as well as pathogens. The technology allowed for quick detection of diseases and stressors, shedding light on the decline of bumblebee populations.

New advice on arthritis drugs

Researchers found that combining anti-rheumatic drugs can reduce the risk of cardiovascular disease in rheumatoid arthritis patients. Two specific combinations - tumour necrosis factor inhibitors and hydroxychloroquine - showed promise in preserving endothelial function.

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.

New method to identify dirt on criminals can lead to prosecution

Scientists have developed a new method to identify the movements of criminals by analyzing soil and dust found on equipment, clothing, and cars. This technique uses geochemical analysis to match soil remnants to regional samples, allowing police to pinpoint crime scenes. The method has been tested in a trial with promising results.

Gulf Coast ready to develop carbon storage hub

The Gulf Coast region is well-positioned to develop a carbon storage economy, thanks to its unique geology and high concentration of industry. The study highlights the region's potential for capturing and storing CO2, which can help reduce emissions in the near term.

Psychedelic spurs growth of neural connections lost in depression

A recent study by Yale researchers found that psilocybin increases the density of dendritic spines, aiding information transmission between neurons and potentially treating depression. Mice subjected to stress showed behavioral improvements after receiving psilocybin, suggesting a possible therapeutic effect.

A new understanding of patterns in fluid flow

An international team has discovered a persistent pattern formation dynamics in viscous fingering, a phenomenon relevant to oil recovery and spreading of groundwater. The study's findings show that the pattern is different from classical radial and rectilinear forms.

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.

Seabird foraging and flying fish depletion

Researchers discovered that seabirds' reliance on flying fish as prey leads to reduced fish populations over 150 km from breeding colonies. This depletion effect is worsened by fisheries, posing a threat to seabirds' survival.

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.

How fish got their spines

Researchers at the University of Konstanz have identified genetic pathways controlling fin spine development, showing how spines arise during embryonic development and evolve independently in different fish lineages. This study provides insights into the evolution of fin spines, which offer a strong evolutionary advantage to fish.

European settlers and mortality of Indigenous people

A study analyzing age-at-death records of 33,715 Indigenous people in central California between 3050 BCE and 1870 CE found that Spanish settlers contributed to severe demographic collapse. The research suggests extreme social disruption caused by the presence of Europeans led to increased mortality rates among both males and females.

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.

Could genetics hold the key to preventing SIDS?

A genetic biobank containing DNA from 25 babies who died from SIDS in South Australia could help identify genetic causes and prevent future deaths. The biobank will enable researchers to test babies at birth for risk factors and closely monitor those identified, potentially saving hundreds of baby lives.

Observation, simulation, and AI join forces to reveal a clear universe

A team of Japanese astronomers developed a new AI technique to remove noise in astronomical data. They applied this tool to actual data from Japan's Subaru Telescope and found consistent results with currently accepted models of the Universe. This powerful new tool will analyze big data from current and planned astronomy surveys.

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.

Lower exposure to UVB light may increase colorectal cancer risk

A study using data from 186 countries found a significant correlation between lower UVB exposure and higher rates of colorectal cancer across all age groups. Lower UVB exposure may reduce levels of vitamin D, which has been associated with an increased risk of colorectal cancer.

Researchers on a mission to fight deadly childhood cancer

Australian researchers aim to improve risk classification and identify therapeutic drugs for neuroblastoma, the deadliest solid tumour in children under five. They will use patient data and genetically engineered stem cells to model the disease process and predict patient outcomes.

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.

The City of David and the sharks' teeth mystery

A team of researchers found an unexpected collection of fossilized shark teeth, dated to around 80 million years ago, in a 2,900-year-old site in the City of David in Jerusalem. The teeth were likely transported from a distant location and assembled by collectors, possibly during the Iron Age period.

Lottery-based incentives do not increase COVID-19 vaccination rates

A study by Boston University School of Medicine researchers found that Ohio's Vax-a-Million lottery-based incentive system did not increase COVID-19 vaccinations. The study suggests that state-based lotteries are of limited value in increasing vaccine uptake, and recommends targeting underlying reasons for vaccine hesitancy instead.

Air pollution during pregnancy may affect growth of newborn babies

A recent study by the University of the Basque Country found a direct relationship between exposure to fine particles and the level of thyroxine in newborns. The research analyzed data from the INMA project and revealed that exposure during early pregnancy has a significant impact on thyroid hormone balance.

Oncotarget: Loss of CPAP in oral cancer

The loss of expression of a microtubule/tubulin binding protein, centrosomal protein 4.1-associated protein, causes increased EGFR levels and signaling in oral squamous cell carcinoma cells. Depletion of CPAP enhances tumorigenicity, while EGFR depletion attenuates EMT features.

Celestron NexStar 8SE Computerized Telescope

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

Global network transforming tropical forest research

A global network of over 2,500 scientists is exploring climate change's impact on forests and biodiversity. ForestPlots.net provides a unique platform for long-term monitoring and analysis, discovering how tropical forests help control carbon emissions.

Scientists publish a how-to guide for creating mouse-human chimeric embryos

Researchers at University at Buffalo have published a detailed protocol for generating mouse-human chimeric embryos, enabling more accurate models of human development and disease. The method has the potential to revolutionize biomedical research and potentially lead to the generation of human organs for transplantation.

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.

Waste hop stem in the beer industry upcycled into cellulose nanofibers

A Japanese research team has developed a technique to extract cellulose nanofibers from hop stems, reducing agricultural waste in the beer industry. The researchers used a simplified process that eliminates lignin and hemicellulose removal, yielding CNFs with a median width of about 2 nanometers.