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Science News Archive June 2024


Page 5 of 39

Saudi women’s quest for change enabled them earn citizenship rights

A new research by Prof. Zahia Salhi reveals that Saudi women have been active agents in their own struggle for citizenship rights, challenging prevailing stereotypes. The study highlights key moments in Saudi history that awakened women to their rights, including the oil boom of the 1970s and protests in the 1990s and 2002.

Underwater mountains have a big impact on ocean circulation

Researchers at University of Cambridge discovered that underwater turbulence around seamounts significantly influences ocean mixing, contributing to a third of global ocean mixing. This finding has implications for climate models used in policymaking, potentially improving forecasts of the ocean's response to global warming.

AI generated exam answers go undetected in real-world blind test

A recent study published in PLOS ONE found that AI-generated exam answers were undetectable in 94% of cases, outperforming human submissions. The University of Reading's blind test challenged educators to detect AI-generated content, highlighting the need for global education sector policies and guidance on AI use.

Apple iPhone 17 Pro

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

Slipping a note to a neighbor: The cellular way

Researchers from PSI and ETH Zurich studied connexin-36 gap junction channels and found that antimalarial drug mefloquine binds to the channels, potentially explaining its severe side effects. The study provides new insights into how drugs interact with connexins and may lead to the development of therapies for neurological diseases.

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.

Improving prostate cancer screening for transgender women

Current prostate cancer screening guidelines may not be effective for transgender women taking estrogen, as it can lower PSA levels, making it difficult to detect early-stage cancer. The study aims to provide more appropriate screening guidelines for this population.

Surprising phosphate finding in NASA’s OSIRIS-REx asteroid sample

The OSIRIS-REx Sample Analysis Team found that Bennu contains essential components for life, including carbon and nitrogen, as well as organic compounds. The presence of magnesium-sodium phosphate in the sample suggests a possible history of interaction with water, but also reveals a chemically primitive asteroid.

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.

Playing youth sports linked to better mental health in adults

Adults who played organized sports through their youth have fewer symptoms of anxiety and depression than those who never played or dropped out, according to a new study. The study found that most people drop out of sports because they weren’t having fun or felt they weren’t good enough.

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.

New research tools reveal the dynamics behind breaking a sweat

A new study by Arizona State University reveals that initial phase sweating can be three times more effective than later phase sweating in terms of evaporation. The researchers developed a wind tunnel-shaped capsule with high-magnification video imagery to capture the dynamics of sweat droplet formation and evaporation on human skin.

Fundamental spatial limits of all-optical magnetization switching

A team of researchers has determined a fundamental spatial limit for light-driven magnetization reversal in nanometer-scale materials. They found that the minimum size for all-optical switching is around 25 nm due to ultrafast lateral electron diffusion, which rapidly cools illuminated regions.

Shocked quartz reveals evidence of historical cosmic airburst

The study reveals distributed proxies associated with the cosmic airburst across eastern US sites, including platinum and microspherules. Shocked quartz with irregular fractures indicates a low-altitude bolide airburst with pressures and temperatures inconsistent with major crater-forming impacts.

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.

Some landfill ‘burps’ contain airborne PFAS, study finds

A recent study by researchers from ACS found that landfill gas can release per- and polyfluoroalkyl substances (PFAS) into the air, posing potential health risks. The study analyzed vented gases at three landfills in Florida and discovered unexpectedly high levels of airborne PFAS.

Time-compression in electron microscopy

Researchers at the University of Konstanz have developed a method for all-optical control, compression, and characterization of electron pulses in space and time using terahertz light. This enables unprecedented time resolution in ultrafast electron microscopy, capturing dynamic processes in materials with unparalleled clarity.

Global consensus for sarcopenia

A new global definition of sarcopenia is proposed, aiming to unify research and clinical practice. The definition may help identify low muscle mass or strength in older people, increasing the risk of poor outcomes such as fragility and disability.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Study shows how liver damage from stress and aging might be reversible

A Duke Health research team identified how the aging process prompts certain liver cells to die off and found a way to reverse the process in mice using an investigational drug. The study's findings hold high promise for people with metabolic dysfunction-associated steatotic liver disease, or MASLD.

A chip-scale Titanium-sapphire laser

Researchers at Stanford University have developed a chip-scale Titanium-sapphire laser, four orders of magnitude smaller and three orders less expensive than traditional lasers. This breakthrough enables mass production on wafers, potentially thousands of lasers per disc, democratizing access to these powerful tools.

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.

Two studies show mixed progress against EoE

Two studies published in The New England Journal of Medicine show mixed results in treating EoE. Dupilumab is found to be effective in children under 12, while benralizumab fails to provide significant relief for patients. These findings challenge the long-held assumption that eosinophils are the primary cause of the disease.

First case of Down syndrome in Neandertals documented in new study

A new study published in Science Advances documents the first case of Down syndrome in Neandertals, named 'Tina', and reveals that they provided extensive care for a young child with severe hearing loss. The discovery sheds light on the existence of true altruism among Neandertals.

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.

Mechanical computer relies on kirigami cubes, not electronics

Researchers at North Carolina State University developed a mechanical computer that uses a complex structure of rigid polymer cubes to store, retrieve and erase data. The system has reversible features allowing users to control when data editing is permitted.

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.

Unlocking the world of bacteria

Scientists have introduced a novel approach to recreate bacterial methylation patterns, enhancing DNA transformation. This enables the genetic modification of pathogenic bacteria and probiotics, leading to potential new antibiotics and cell-based therapies.

A kissing bug humans do not want to canoodle

Researchers identified a kissing bug in Delaware with the Chagas disease-causing parasite Trypanosoma cruzi. Entomologists confirmed the insect's presence and found it was infected with the parasite, which can lead to serious heart problems if left untreated.

Celestron NexStar 8SE Computerized Telescope

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

How the Meta algorithm influences election advertising

A study by LMU researchers reveals systematic bias in how political ads are delivered on Facebook and Instagram. The platforms' targeting systems favor campaign ads promoting incendiary issues, leading to unequal reach for different parties.

Zebrafish reveal how bioelectricity shapes muscle development

New research from the University of Oregon describes the communication between nerve cells and muscle cells via electrical signals during development, known as bioelectricity. The study identifies specific genes that control the process and offers clues to the genetic origins of muscle disorders.

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.

Breakthrough nanoporous material exhibits giant piezoelectric response

Researchers developed a novel nanoporous material with exceptional piezoelectric capabilities, outperforming traditional lead-based materials. The material's ultra-thin structure and straightforward synthesis approach make it a highly promising candidate for future high-density energy harvesting.

Fluke 87V Industrial Digital Multimeter

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

Almonds, pottery, wood help date famed Kyrenia shipwreck

Researchers at Cornell University have used a combination of almond analysis, pottery dating, and radiocarbon dating to determine the Kyrenia shipwreck's age. The team estimated that the ship sank between 296-271 BCE, with a strong probability it occurred between 286-272 BCE.

Iceland’s volcano eruptions may last decades, researchers find

Researchers predict that Iceland's volcanic eruptions on the Reykjanes Peninsula may last years to decades, posing significant economic disruption and uncertainty for evacuated communities. The eruptions have already forced a state of emergency and evacuated residents and visitors of popular tourist attractions like the Blue Lagoon.