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Science News Archive July 2021


Page 30 of 41

Testosterone therapy reduces heart attack and stroke

A new study found that supplementing testosterone significantly reduces heart attacks and strokes in men with unnaturally low hormone levels. The 10-year study involved over 800 men from Germany and Qatar, showing a 25% reduction in risk for those under 55 and a 15% reduction for those over 60.

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.

Vocal music boosts the recovery of language functions after stroke

Researchers found that listening to vocal music improves language recovery in stroke patients by enhancing structural connectivity and functional plasticity of the language network. This discovery expands our understanding of music-based neurological rehabilitation methods.

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.

Collective battery storage beneficial for decarbonized world

A new study suggests that collective battery storage can significantly reduce the cost of providing load smoothing and peak shaving services to households. By sharing batteries or having one per 20 houses, households can provide essential grid services while reducing individual costs, a key finding published in Energy & Buildings.

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.

Study sheds light on mechanism of liposome accumulation in tumors

Researchers studied the mechanism of liposome accumulation in tumors using fluorescent microscopy and imaging. They found that different lipids have varying abilities to accumulate in tumors, with one lipid type showing remarkable extravasation and reaching immune and tumor cells.

Apple iPhone 17 Pro

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

How air pollution changed during COVID-19 in Park City, Utah

During COVID-19 lockdowns, air pollution fell in residential and commercial areas, but rebounded faster in residential areas. The study found that residential heating and cooling are significant components of the air quality equation, with implications for low-carbon energy policies.

Buried treasure: New study spotlights bias in leadership assessments of women

A recent study found that women are penalized in performance evaluations when exhibiting traditionally feminine leadership characteristics, while men are viewed more positively for similar behaviors. The research emphasizes the need for organizational change to provide equal opportunities for women and men in leadership roles.

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.

Nearly 8% of men who have sex with men estimated to have syphilis globally

A global systematic review and meta-analysis found that nearly 8% of men who have sex with men (MSM) are infected with syphilis worldwide, significantly higher than the general population. The study highlights the urgent need to address this high-risk group's unique challenges in accessing healthcare services.

Highly fit teenagers coped better with COVID-19 later in life

A study by University of Gothenburg researchers found that Swedish men who performed well in physical fitness tests during military conscription had a lower risk of needing hospital care for COVID-19 up to 50 years later. Good fitness and strength levels in youth were also associated with reduced risk of severe COVID, including death.

Meta Quest 3 512GB

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

What kind of sea ice is that? Ask Knut!

A new app under development uses AI to identify various kinds of sea ice in the Arctic, helping ship captains navigate icy waters and researchers better understand climate change. The app's accuracy improves with each user-submitted photo, making it a valuable tool for remote sensing of ice.

The outsized impacts of rudeness in the workplace

A new study found that rudeness can have deadly consequences by increasing negative emotions and leading to biases in judgment. Researchers suggest that organizations can take steps to reduce rudeness by training employees to use perspective-taking and information elaboration skills.

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.

New Alzheimer's treatment targets identified

Researchers at WashU Medicine have identified potential new treatment targets for Alzheimer's disease, focusing on defective proteins and existing FDA-approved drugs. The study provides hope for clinical trials to begin sooner, targeting brain damage caused by amyloid buildup.

Tiny but mighty precipitates toughen a structural alloy

Scientists introduced tiny precipitates into an alloy, tuning their size and spacing to enhance both strength and ductility. This approach allows for the creation of lightweight, strong materials that can withstand catastrophic deformation without breaking.

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 can counselors address social justice amid climate change?

The article discusses how counselors can promote environmental justice during the Anthropocene era. Counselors can use their skills to educate communities on the climate crisis, process environment activists' grief, and advocate for marginalized communities. This framework of environmental justice helps counselors understand the dispro...

Nicotine by-product can predict recurrence of cancer

A pilot study found that patients with high cotinine levels were four times more likely to have their cancer return. The researchers aim to develop a simple urine test for cotinine to reduce invasive investigations for bladder cancer 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.

A summary of myocarditis cases following COVID-19

Researchers analyzed 41 studies on myocarditis in COVID-19 patients, finding median age of 43.4 years and male predominance. The study highlights the importance of healthcare professionals knowing about this cardiac complication to prevent sudden worsening of patient conditions.

Tooth loss associated with increased cognitive impairment, dementia

A recent analysis found that tooth loss is associated with an increased risk of cognitive impairment and dementia. Adults with more missing teeth had a higher risk of developing cognitive decline, even after controlling for other factors. However, the study also showed that timely treatment with dentures may protect against this risk.

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.

Machine learning models based on thermal data predict solar radiation

Researchers developed machine learning models that can predict daily solar radiation using only thermal data, improving upon existing methods in various geo-climatic conditions. The models have been tested in nine locations across southern Spain and North Carolina, showing significant improvements in accuracy.

Do I buy or not?

Pleasure-seekers tend to buy impulsively when in a positive state, but can suppress impulse with minimal note reminder. Security-oriented individuals need time and often look for 'no impulse buying' reminders to act.

Should we delay COVID-19 vaccination in children?

Experts debate whether COVID-19 vaccination should be delayed in children due to unclear benefits and risks. Vulnerable people worldwide should be prioritized instead, but some argue that children should not be disadvantaged.

Bringing chemical production and manufacturing together

Researchers at the University of Houston have developed a small, flexible, and cost-effective acrylonitrile modular reactor that can produce feedstock near geographically distributed carbon fiber plants. This technology aims to improve access to affordable feedstock for carbon fiber producers by reducing energy costs.

Stroke treatment may backfire when kidneys don't work well

A new study found that intensive blood pressure-lowering therapy may harm patients with decreased kidney function after a stroke, whereas those with normal kidney function showed similar outcomes. The study suggests considering renal function when deciding optimal blood pressure ranges for each patient.

Fluke 87V Industrial Digital Multimeter

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

Dealing with global carbon debt

A new study proposes establishing carbon removal obligations to manage the growing global carbon debt, which could amount to 2-18 years of pre-COVID emissions. This approach aims to distribute financial flows and costs more equitably over time, ensuring a viable net-negative carbon economy.

Celestron NexStar 8SE Computerized Telescope

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

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.

NIH researchers expand Families SHARE, an educational genomics workbook

The NIH has expanded its Families SHARE workbook, a tool that helps people use their family history to assess their risk for heart disease, diabetes, breast cancer, and colorectal cancer. The study found that 70% of participants shared the workbook with family members and tried to assess their risk.