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Science News Archive May 2023


Page 36 of 40

Cigarette butts leak deadly toxins into the environment

A University of Gothenburg study reveals that cigarette filters contain thousands of toxic chemicals and microplastic fibers, which are lethal to aquatic larvae. The researchers urge a complete ban on filters to prevent hazardous waste from entering the environment.

Offering genetic testing at the point of care may increase uptake

A new study suggests combining digital cancer risk assessment with point-of-care genetic testing can help overcome clinical workflow challenges that prevent at-risk patients from accessing genetic testing. The approach more than doubled the average uptake of genetic testing, showing promise for cancer prevention and detection.

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.

Traces from the past

A team of researchers has developed a non-destructive method to extract DNA from bones and teeth, allowing for direct attribution of cultural objects to specific individuals. The breakthrough enabled the recovery of ancient human DNA from a 20,000-year-old pendant, providing insights into Paleolithic societies.

Discovery suggests route to safer pain medications

Researchers at Washington University School of Medicine have identified a potential mechanism behind hallucinations triggered by kappa opioid receptors, aiming to develop painkillers without these side effects. Targeting specific binding sites on the kappa receptor may relieve pain without inducing euphoria and addiction.

Disparities in telehealth utilization among Medicare beneficiaries

A new study reveals racial and rural disparities in telehealth utilization among Medicare beneficiaries in Arkansas. The association between chronic conditions and telehealth use was strongest among White and rural individuals, while urban and non-Hispanic Black or African American beneficiaries showed weaker associations.

Fluke 87V Industrial Digital Multimeter

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

XFELs show the final milliseconds of oxygen formation

Researchers have visualized the crucial final step of oxygen formation in Photosystem II, a protein complex that powers photosynthesis. The study provides new insights into the interaction between the protein environment and the Mn/Ca cluster, shedding light on the mechanism behind water-splitting and oxygen production.

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 high-speed, two-photon microscope for precise biological imaging

A new high-speed two-photon microscope was developed with an unprecedented line scanning frequency of 400 kHz, achieving up to 10,000 frames per second. This allowed for precise observations of complex biological processes in living tissues, including calcium signal propagation and blood flow measurements.

Stinging tree injects promise of pain relief

Researchers at University of Queensland have identified a novel pain pathway triggered by the Gympie-Gympie tree's toxins, which could lead to non-opioid pain relief. The gympietide toxin interacts with nerves after injection through fine needle-like hairs on the leaves and requires a partner protein called TMEM233 to function.

Can internet usage help protect against dementia?

Researchers found that regular internet users had approximately half the risk of dementia compared to non-users, regardless of factors such as education and age. The study suggests that online engagement may help develop cognitive reserve, which can compensate for brain aging.

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.

Minoan eruption survey improves volcanic risk assessments

A study by GEOMAR has accurately determined the volume of magma from the Minoan eruption, providing a benchmark for measuring other eruptions. The analysis combines geophysical and geological methods to estimate magma volumes and deposition sizes.

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.

Integrating STEM majors won’t end gender segregation at work

A new study by Cornell University sociologists suggests that increasing women's representation in STEM majors will reduce gender disparities in STEM occupations. However, the findings also indicate that labor market factors and policies play a significant role in perpetuating gender segregation. Integrating academic majors can help chi...

Bloodstream infections in preemies may originate from their gut microbiomes

A study published in Science Translational Medicine suggests that preterm infants' gut microbiomes play a role in the development of dangerous bacterial bloodstream infections. The researchers found that the most common bacteria causing these infections are also commonly found in the gut, and that antibiotics can disrupt the balance of...

Apple iPhone 17 Pro

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

New insights into liver cancer using organoids

Researchers used human liver organoids to study fibrolamellar carcinoma, a rare childhood liver cancer. They found that different genetic mutations underlie different degrees of aggressiveness in the tumors, and uncovered the probable cell-of-origin as hepatocytes.

Meta Quest 3 512GB

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

How is sleep affected by changing clocks and seasons?

A study published in Neurology found that the transition from daylight saving time to standard time was associated with a brief increase in sleep disorders such as difficulty falling asleep or staying asleep. In contrast, the transition from standard time to daylight saving time did not show any association with sleep problems.

Laser pulses triple transition temperature for ferromagnetism in YTiO3

Scientists at the Max Planck Institute successfully induced high-temperature ferromagnetism in YTiO3 by applying laser pulses, raising the transition temperature to triple its original value. This breakthrough discovery opens new avenues for exploring and manipulating magnetic properties of materials.

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.

Precursor of breast cancer or not?

Researchers developed a method to predict DCIS progression to invasive breast cancer using mice with human DCIS cells. The study found molecular similarities between humans and mice, including the presence of HER2 protein increasing breast cancer risk.

Rapid onsite FFR-CT algorithm helps facilitates clinical adoption

A new onsite deep-learning based FFR-CT algorithm demonstrates excellent diagnostic performance, with high interobserver and intraobserver reproducibility. The algorithm showed AUC of 0.975, sensitivity of 93.5%, and specificity of 97.7% for hemodynamically significant stenosis.

Celestron NexStar 8SE Computerized Telescope

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

New catalyst transforms carbon dioxide into sustainable byproduct

Researchers at Northwestern University have developed a new catalyst that converts captured carbon dioxide into acetic acid with high efficiency. The innovation uses electrochemistry to convert CO2 into products with established markets, offering new pathways for improving the economics of carbon capture and storage.

Predict what a mouse sees by decoding brain signals

The CEBRA algorithm captures brain dynamics with high accuracy, allowing for the prediction of complex information such as visual stimuli and arm movements in primates. By analyzing brain signals alone, researchers can decode hidden structure in data, enabling new insights into how the brain processes information.

Engineers tap into good vibrations to power the Internet of Things

Researchers at University of Waterloo and University of Toronto developed a novel generating system that converts mechanical vibrations into electricity. The system is compact, reliable, low-cost, and green, and has the potential to power billions of sensors needed for Internet of Things devices.

More woodlands will not impact tourism

A new study has found that increasing woodland cover in UK uplands will not deter tourists from visiting. The research, conducted by Aarhus University, involved over 500 tourists and showed that most would still visit even with 75% or 100% forest cover. However, the majority preferred a view from the mountain top.

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.

Sodium content at common NYC chain restaurants did not decrease one year after enforcement of sodium warning labels, suggesting additional time and similar action from other jurisdictions is necessary to reduce the sodium content of menu items

A recent study published in PLOS ONE found that sodium content at common NYC chain restaurants did not decrease one year after the enforcement of sodium warning labels. The study suggests that additional time and similar action from other jurisdictions are necessary to reduce the sodium content of menu items.

Indo-Pacific corals more resilient to climate change than Atlantic corals

Researchers have found that corals in the Indo-Pacific region are more flexible and resilient to climate change due to their symbiotic relationships with algae species. These partnerships may help them withstand greater environmental changes, making them better equipped to survive in a warming ocean.

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.

How cells are influenced by their environment as tissues grow

Vogel and Benn's study replicates tissue growth in vitro, revealing the importance of ECM interactions. Myofibroblasts play a key role in wound healing and cancer progression, but their transformation into fibroblasts is influenced by ECM composition and structure.

Researchers detect and classify multiple objects without images

A new technique called image-free single-pixel object detection (SPOD) can detect the location, size, and category of multiple objects without acquiring images. SPOD uses a small optimized structured light pattern to quickly scan the scene and extract features, achieving an accuracy of over 80%.

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.

UBC Okanagan researchers aim to energize fruit waste

Researchers at UBC Okanagan are working on microbial fuel cells that can harness the energy from discarded fruit waste, a byproduct of agriculture in the Okanagan Valley. The study aims to improve energy output and reduce environmental impacts associated with current waste treatment methods.

Evaluation of Waning of SARS-CoV-2 Vaccine–Induced Immunity

The study found that COVID-19 vaccine-induced immunity rapidly declines after primary vaccination and booster doses, leading to a decrease in protection against Omicron and Delta infections. The results highlight the need for targeted vaccination strategies to combat the evolving SARS-CoV-2 virus.

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.