Bluesky Facebook Reddit Email

Science News Archive July 2021


Page 22 of 41

Human waste contaminating urban water leads to 'superbug' spread -- study

A new study in mSystems finds human waste contaminating urban lakes, rivers, and surface water in Bangladesh is driving the spread of antibiotic-resistant bacteria. The research highlights the importance of improving access to clean water, sanitation, and sewerage infrastructure to reduce antimicrobial resistance.

Apple iPhone 17 Pro

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

Science snapshots from Berkeley Lab

Berkeley Lab's Partnership for Advanced Window Solutions accelerates nationwide adoption of highly efficient windows. Researchers also discover unique microbial signatures in cities worldwide and investigate oxygen loss in lithium-ion batteries.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Wildfire smoke exposure linked to increased risk of contracting COVID-19

A new study published in the Journal of Exposure Science and Environmental Epidemiology found a significant association between wildfire smoke exposure and an increased risk of contracting COVID-19 in Reno, Nev. During a prolonged 2020 wildfire smoke event, PM2.5 levels were associated with a 17.7% rise in COVID-19 cases.

Routine screening for BI-RADS lesions on automated whole-breast ultrasound

A prospective study found that returning to routine screening for BI-RADS 3 lesions on supplemental automated whole-breast ultrasound substantially reduces the recall rate, with no increase in adverse outcomes. The study involved 2,257 women and showed a 3.8% recall rate, 0.5% biopsy rate, and 58.3% positive biopsy rate.

Inherited social networks shape spotted hyena society and survival

A new study reveals that inherited social networks passed from mothers to offspring are essential to spotted hyena life and survival. The strength of the maternal relationship affects social inheritance and is positively correlated with long-term survival for both mother and offspring.

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.

A noninvasive test to detect cancer cells and pinpoint their location

Researchers at MIT have developed a new diagnostic nanoparticle that can detect cancerous proteins in urine and pinpoint tumor locations. This technology has the potential to monitor tumor recurrence after treatment or perform routine cancer screenings, potentially leading to earlier detection and improved patient outcomes.

Study finds promising therapeutic target for colitis

A study published in the Proceedings of the National Academy of Sciences identifies Neuraminidase 3 (Neu3) as a key enzyme responsible for colitis, a chronic digestive disease. Inhibiting Neu3 with Relenza breaks the chain of inflammation, and augmenting intestinal alkaline phosphatase appears to be equally beneficial.

Accurate protein structure prediction now accessible to all

Researchers at the University of Washington have developed RoseTTAFold, a freely available AI tool that can predict protein structures in just 10 minutes. This breakthrough accelerates research into cancer, COVID-19, and other diseases, and has already been used by over 140 independent research teams.

Teasing out the impact of Airbnb listings on neighborhood crime

A study found that Airbnb listings were associated with increased violence in Boston neighborhoods, but not with public social disorder or private conflict. The researchers suggest that the presence of short-term rentals may erode local social dynamics and lead to increased violence over time.

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.

Quantum physics helps destroy cancer cells

Researchers at Kyoto University have discovered a way to enhance radiation therapy using iodine nanoparticles, which trigger cancer cell death when exposed to X-rays. The study reveals that the optimal energy level for X-ray irradiation is 33.2 keV, causing double-strand breaks in DNA and leading to programmed cell death.

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.

Hard to swallow: Coral cells seen engulfing algae for first time

Scientists have observed individual stony coral cells engulfing single-celled photosynthetic algae, crucial for keeping corals healthy. Around 40% of coral cells incorporated the algae in 30 minutes and remained healthy for a month, providing insights into the partnership between corals and dinoflagellates.

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.

Early perceptions of COVID-19 in Pennsylvania

A March 2020 survey of central Pennsylvania adults found early concern for COVID-19 outmatched concern for influenza, with respondents trusting CDC guidelines and healthcare websites. Knowledge about COVID-19 was generally high, with a majority intending to follow social distancing recommendations.

July/August 2021 Annals of Family Medicine tip sheet

Primary care physicians provide the largest share of vaccinations and clinical visits for COVID-19 testing, showcasing their crucial role in immunization programs. Researchers highlight the importance of integrating social care practices into healthcare delivery to address patients' economic and social needs.

Smartphone photos can be used to detect anemia

A new study published in PLOS ONE suggests that smartphone photos of the inner eyelid can be used to screen for anemia. The algorithm achieved accuracy rates of up to 94.4% in predicting anemia, making it a potential tool for early diagnosis and treatment in low-resource settings.

How does exhaled heated tobacco aerosol behave in the air?

Research finds that exhaled heated tobacco aerosol particles are droplets comprised of 75-85% water, evaporating quickly and not impacting indoor air quality. The aerosol is mostly composed of water droplets, unlike cigarette smoke, which lingers in the air and exceeds IAQ standards.

Meta Quest 3 512GB

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

Melanoma of the eye: Preclinical tests show path toward treatment

A preclinical study identifies a small molecule inhibitor, KCN1, that dampens tumor drivers and limits disease progression. The study showed KCN1 to be well-tolerated and effective at reducing metastasis, suggesting potential as a treatment for metastatic uveal melanoma.

Small molecule plays outsize role in controlling nanoparticle

Researchers at Cornell University have developed a method to control the shape of nanoparticles using small molecule adsorption. By varying the concentration of an individual ligand, they can change the particle's shape, opening up new possibilities for applications such as removing micropollutants from the environment.

Understanding our perception of rhythm

Researchers found that rhythm perception relies on two separate decisions: grouping and prominence, which are mutually informative. These decisions lead to our rhythmic intuitions, suggesting that speech processing involves complex inferences.

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.

Dogs may not return their owners' good deeds

In an experiment, dogs were paired with two unfamiliar humans - one helpful and one unhelpful. Despite the humans' behavior, the dogs showed no preference for the helper or did not reciprocate by acting more favorably towards them. The study suggests that dogs may not be able to understand the connection between human help and reward.

New spray could someday help heal damage after a heart attack

Scientists have developed a minimally invasive exosome spray that helped repair rat hearts after myocardial infarction, outperforming traditional injection methods. The spray lasted longer and healed injuries better than injected exosomes, with promising results for heart repair

Community health workers identify health-related social needs in patients

A qualitative study found that community health workers are integral to identifying patients' social needs, with roles shifting from screener to implementer. However, social needs screening data is often not integrated into electronic health records or used for population health management, and sites face barriers to its implementation.

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.

Ultra-processed food linked to higher risk of IBD

A study published in The BMJ found a strong association between ultra-processed food intake and the risk of inflammatory bowel disease (IBD). Consuming five or more servings of ultra-processed food per day was linked to an 82% increased risk of IBD.

Study: Idea sharing increases online learner engagement

A new study finds that prompting students to share course ideas in a discussion forum increases video consumption and assessment completion rates. The 'idea advantage' outperforms identity sharing, with students performing 30% better on key metrics.

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.

Celestron NexStar 8SE Computerized Telescope

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

Chemistry discovery could remove micropollutants from environment

Researchers developed a new imaging technique to study ligand interactions with nanoparticles, discovering that varying ligand concentration can control particle shape. This approach could lead to the creation of chemical sensors and methods for removing micropollutants from the environment.

Harnessing AI to search for new materials with exotic properties

Physicist Trevor David Rhone is using artificial intelligence to accelerate materials discovery, exploring the vast number of potential materials candidates to identify those with novel properties. His approach aims to speed up the process and enable new applications for spintronics, data storage, and quantum computing.

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.

Rapid evolution in waterfleas yields new conservation insights

A waterflea population has undergone rapid evolution in response to predator pressure over nearly two decades, with changes linked to specific environmental conditions. The study highlights the crucial role of standing genetic diversity in supporting adaptive evolution and its implications for conservation biology.

Personalized 3D printed knee implant could help thousands of arthritis sufferers

A groundbreaking treatment using 3D printed implants has received approval to be trialled in UK patients, aiming to provide relief for knee osteoarthritis sufferers. The bespoke titanium alloy implants are designed to reduce discomfort and improve surgical accuracy, with the first trials expected to begin once clinical centres reopen.

Swarm of autonomous tiny drones can localize gas leaks

Researchers have developed a swarm of tiny drones that can autonomously detect and localize gas sources in complex indoor environments. The drones use bio-inspired navigation and search strategies, including the 'Sniffy Bug' algorithm, to find gas leaks quickly and efficiently.

How does the world use emojis?

A new study by USC researchers found that emojis represent universal human emotions across countries and continents, while also reflecting cultural differences. The most widely used emojis, such as the heart, were predominantly used in the English-speaking world, Spanish-speaking nations, and Arabic speakers.

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.