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Science News Archive July 2021


Page 1 of 41

Thumb-sized device quickly 'sniffs out' bad breath

A new thumb-sized device can diagnose bad breath by sniffing out hydrogen sulfide gas in exhalations, correctly identifying it 86% of the time. The device combines a metal oxide gas sensor with humidity, temperature and pressure sensors.

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.

Flood water: Toxins from the riverbed

A review of previous scientific studies on pollutant release from sediments during extreme flood events reveals significant risks to human and environmental health. The study highlights the need for good river management to address long-term consequences of pollutants in riverbeds.

Trauma Informed Care can help break the cycle of violence

The American College of Surgeons proposes four strategies to address the root causes of violence, including investing in at-risk communities and advocating for policy changes. Trauma Informed Care is a key feature of these strategies, aiming to foster empowerment and partnership with patients.

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.

Could residential heat pumps be part of the climate solution?

A new study by University of Michigan researcher Parth Vaishnav suggests that deploying residential heat pumps can cut greenhouse gas emissions and save households money if the US grid becomes cleaner. However, raising heating costs for some houses is a concern, especially in areas with dirty electrical generation mixes.

New research finds gay and bisexual men still earn less

A new study by Anglia Ruskin University found that gay and bisexual men earn less than heterosexual men due to workplace discrimination. Gay men earned 6.8% less, while bisexual men earned 10.3% less on average across Europe, North America, and Australia.

Ultramarathon Mountain Race weather was predicted; impact was not

Researchers found that high-impact weather events can be extreme, especially in context of human activities. Detailed hypothermia risk forecasts were not available for the race site, contributing to tragedy. The study highlights the need for improved warning systems and collaborations among scientists, governments, social media, and ci...

Apple iPhone 17 Pro

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

Mapping of genetic control elements in the cerebellum

Researchers mapped genetic control elements of active genes in the mouse cerebellum, identifying over 200,000 control elements and a temporal pattern shared between different cell types. The study also shed light on the evolution of gene regulatory programmes in mammals.

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.

Trump’s ‘Muslim ban’ harmed health of Muslim Americans, study finds

A new study by Yale researchers found that the 'Muslim ban' led to a significant increase in missed primary care appointments and emergency department visits among Muslim-Americans. The study suggests that immigration policies can have indirect and unexpected consequences on the health of targeted communities.

What’s behind people’s hesitancy towards vaccination?

A new Polish study examines why people refuse vaccination, finding that generalized negative attitudes towards vaccines and confirmation bias play a significant role. Vaccine deniers often attribute negative symptoms to vaccines despite missing evidence of correlation.

Enabling safe delivery of RNA drugs to the lungs

Researchers at Hokkaido University created a lipid polymer that can carry genetic code into lung cells, potentially treating diseases such as acute respiratory distress syndrome and lung cancers. The delivery method bypasses the liver and targets specific lung cells without targeting ligands.

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.

"Greening” biomaterials and scaffolds used in regenerative medicine

Researchers create sustainable biofabrication method using acetic acid as a biologically benign solvent, reducing environmental risks and improving mechanical properties of biomaterials. The new 'green' fibers exhibit exceptional mechanical properties and preserved growth factor bioactivity.

Bird brains left other dinosaurs behind

Researchers discovered a rare bird fossil with nearly complete skull, allowing them to compare ancient bird brains to living birds. The study suggests that complex brain structure may have played a key role in the survival of bird ancestors during the mass extinction event.

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.

Bugs find bats to bite thanks to bacteria

A new study in Molecular Ecology found that blood-sucking flies specialize on bats by following chemical cues from skin bacteria. Researchers analyzed dozens of bat species and identified unique bacterial profiles associated with each group.

Cracking the code of crack propagation in rubberlike materials

Researchers from The University of Tokyo Institute of Industrial Science have identified the origin of a phenomenon that occurs when rubber materials under stress rapidly break. Their simplified step-loading model replicates the non-monotonic mechanical behavior observed in these materials, shedding light on the velocity jump phenomenon.

Beware using telemedicine for voice and speech therapy

A study by Boston University researchers found that popular teleconferencing platforms like Zoom and Microsoft Teams struggle to capture accurate acoustic measures of voice, leading to clinically significant differences in voice evaluations. The team tested five platforms and discovered that only Microsoft Teams performed relatively well.

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.

Study reveals source of DNA mutations in melanoma

Researchers found that UVB radiation from the sun causes chemical changes to DNA, leading to disease-causing mutations. This discovery sheds light on the origins of melanoma and highlights the importance of prevention efforts.

Scientists explore Bacillus strains to control fungus spread in bananas

Researchers have identified five Bacillus strains with antibiotic ability against the deadly Fusiarium wilt TR4 fungus, which is threatening global banana production. The study found that these strains can trigger direct or indirect antagonism on the fungus, providing a new biocontrol method to combat TR4.

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.

Study shows how US immigration policy can have domestic health effects

A new study by Brown University found that the Trump administration's 'Muslim ban' led to an increase in emergency department visits and missed primary care appointments among residents from targeted nations. The study suggests that elevated cumulative stress due to a hostile climate toward Muslims may have contributed to these changes.

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.

Health care utilization before, after US 'Muslim Ban' executive order

A study by Brown University researchers found that the US 'Muslim ban' executive order led to a significant decrease in healthcare utilization among individuals born in targeted nations living in the US. The analysis suggests that the ban had a substantial impact on the health and well-being of these individuals.

Celestron NexStar 8SE Computerized Telescope

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

An effective strategy for protecting next-generation information carrier

Researchers from Shinshu University have successfully confined and protected magnetic skyrmions using patterns of modified magnetic properties. This method offers a promising approach for building reliable channels for confinement, accumulation, and transport of skyrmions as information carriers.

£1.1 million award for research to support people with long covid

A new £1.1 million research project will develop personalized rehabilitation programs for people with long Covid, which is estimated to affect at least 10% of those who test positive for Covid-19 in the UK. The project aims to improve outcomes and experiences for this growing patient group while ensuring cost-effectiveness.

Decoding how salamanders walk

Researchers at Tohoku University and Swiss Federal Institute of Technology have decoded salamanders' body-limb coordination mechanisms. Their findings provide insights into adaptive locomotion and could aid the development of agile robots.

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.

Natural mineral hackmanite enables new method of x-ray imaging

Researchers have developed a new X-ray imaging method utilizing hackmanite's colouring abilities, revealing its potential for non-expensive and reusable imaging applications. The study found that adding different atoms to the material impacts its colouring properties, and the mechanism of colour changing occurs through X-ray excitation.

Meta Quest 3 512GB

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

Non-invasive method for diagnosing celiac disease

A new method for diagnosing celiac disease using saliva has been developed by researchers from the University of the Basque Country. This non-invasive approach can considerably reduce the number of endoscopies needed, making it a useful tool for screening patients suspected of having celiac disease.

Organoid bladders reveal secrets of UTIs

Researchers developed two bladder models to study UTIs in a controlled way. Organoid bladders recreated the 3D architecture of the bladder epithelium, while a bladder-on-a-chip model incorporated physiological stimuli and an interface with the vasculature.

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.

Applying artificial intelligence to better predict real weather

Researchers developed an AI method called CU-net to improve weather forecast accuracy by learning from uncertainty. The model corrected four weather variables and showed improved performance using 10-year data, promising innovative diagnostics for climate variability.