Bluesky Facebook Reddit Email

Science News Archive 2021


Page 99 of 510

Antioxidants to prevent Alzheimer's disease

Researchers found an early indicator of Alzheimer's disease is an oxidation-antioxidant imbalance in the blood. Oxidative markers increase up to five years before the onset of the disease, suggesting a potential avenue for prevention through antioxidant intake.

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.

Can an already approved drug treat Alzheimer’s disease?

Researchers discovered that bumetanide, a 30-year-old diuretic, reverses signs of Alzheimer's disease in mice and human brain cells. The study also found that people over 65 who took bumetanide were less likely to develop Alzheimer's disease.

Arctic Ocean's 'last ice area' may not survive the century

A new study warns that the Arctic Ocean's 'Last Ice Area,' a region where summer ice traditionally persists, may not survive the century. The study predicts that under high-emissions scenarios, summer ice will disappear by 2100, displacing creatures such as seals and polar bears.

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.

More effective cell studies using new AI method

A new study from the University of Gothenburg introduces an AI-based method to develop faster, cheaper, and more reliable information about cells using microscopy. This approach eliminates the drawbacks of traditional fluorescence microscopy by providing accurate results without damaging cells or inhibiting processes.

Combined treatments are the most effective to stop smoking, study finds

A systematic review of tobacco cessation pharmacotherapies and e-cigarettes found that combined treatments, particularly varenicline and nicotine replacement therapy (NRT), were the most effective in helping people quit smoking. E-cigarettes showed promise but require further research to establish their safety.

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.

Plasma biomarkers predict long-term kidney function after acute kidney injury

A plasma biomarker panel identified a combination of sTNFR1, sTNFR2, cystatin C, and eGFR that discriminated between patients with worsening or low risk of chronic kidney disease after three years. This combination was particularly effective at identifying those with very low risk of subsequent kidney dysfunction.

Apple iPhone 17 Pro

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

Brain damage from long stays in space

A study published in JAMA Neurology found that long-term exposure to space can cause brain damage in cosmonauts. The research analyzed five Russian male cosmonauts who spent an average of 169 days in space, showing significant increases in biomarkers for brain cell damage upon their return to Earth.

Rye a better choice than wheat for weight loss

Researchers found that eating high-fibre whole grain rye products resulted in greater weight loss and body fat reduction compared to refined wheat alternatives. The study, involving 242 participants, suggests that rye's unique fibre content may contribute to its weight-loss benefits.

How to remove pesticides from drinking water

Researchers have developed a new method to remove micropollution from drinking water by using iron and chlorine to break down carbon-based pollutants. The technique produces only CO2 and salt as by-products, making it a promising solution for purifying contaminated water.

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.

Wildfires affect cave diversity underneath scorched surfaces

New research at Lava Beds National Monument found that wildfires burning the surface also impacted life in caves below, causing a significant drop in ecosystem diversity. Changes in hydrology and moisture levels may be driving these changes, and understanding these impacts is crucial for protecting fragile cave ecosystems.

Radiationless anapole states in on-chip photonics

A team of researchers has discovered radiationless anapole states in on-chip photonics, which enable the creation of highly sensitive biosensors and nonlinear signal processing systems. The discovery allows for tunability of anapole states within a wide wavelength range, with enhanced energy concentration inside nanoparticles.

Mindful breathing for pain control: Like yin and yang

Researchers found that mindful breathing can reduce pain by modulating the somatosensory cortex, a region responsible for processing pain. The study compared two types of meditation: traditional mindful breathing and virtual reality guided breathing, which used immersive visual and audio stimuli to decrease pain sensitivity.

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.

Large effect of solar activity on Earth's energy budget

Researchers from DTU Space and The Hebrew University of Jerusalem found that solar eruptions reduce cosmic ray flux, leading to reduced aerosol production and decreased cloud cover. This results in an increase in the Earth's energy budget by almost 2 W/m2 within 4-6 days.

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.

Insects in the light of land use and climate

A new study published in Nature Communications finds that insect biomass is higher in warmer temperatures, while diversity declines in agricultural environments compared to semi-natural habitats. Researchers recommend increasing green spaces in urban areas and promoting forest habitats to mitigate climate change.

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.

Expanded lung screening rules provide more equitable care

A Kaiser Permanente study found that the 2021 USPSTF guidelines will likely increase lung cancer screening of women, racial and ethnic minority groups, and individuals with lower socioeconomic status. This is expected to lead to an estimated 30% increase in lung cancer diagnoses compared to the 2013 recommendations.

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.

Migraines caused by alterations in metabolite levels

Researchers at QUT identified causal genetic links to three blood metabolite levels that increase migraine risk. These findings could lead to the development of compounds that target metabolite levels and prevent migraines.

Clarification on diabetes and dementia risk

Researchers found that poorly controlled type 2 diabetes is associated with an increased risk of developing preclinical dementia, which can progress to full-blown dementia. The study also suggests that controlling blood glucose levels may be key to preventing cognitive decline.

Desert locusts remain a serious threat to Pakistan

A severe upsurge of desert locusts in 2019-2020 caused $3.4 billion to $10.21 billion in monetary losses and severe acute food insecurity for over 3 million people in Pakistan. The authors suggest improving the prevention system, developing compensatory measures, and increasing the use of alternative pesticides.

Fluke 87V Industrial Digital Multimeter

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

COVID-19-related parenting stress impacted eating habits of children

A new study by researchers at the University of Houston found that COVID-19-related parenting stress has a negative impact on children's eating habits, leading to maladaptive feeding behaviors. The study suggests that policy makers and nonprofit organizations should provide support systems to help parents manage their daily stressors.

Toward accurate modeling of power MOSFET electrical characteristics

A team of scientists at NAIST successfully used automatic differentiation to accelerate calculations of model parameter extraction, reducing computation time by 3.5 times compared to conventional methods. This breakthrough enables the design of more efficient power converters with increased performance and reduced energy consumption.

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.

Electronic health record messaging during pandemic

During the COVID-19 pandemic, patient electronic health record inbox message volume increased significantly in an ambulatory practice network in New England. The study compared pre-pandemic and pandemic levels to understand the impact of the outbreak on healthcare communication.

High-oil corn packs punch for pigs

Research from the University of Illinois found that high-oil corn has greater amino acid and energy digestibility than conventional corn, with increased phosphorus and fiber content. This could save producers money by reducing supplement needs.

Scientists discover a highly potent antibody against SARS-CoV-2

Researchers have identified a highly potent antibody that effectively blocks the spike protein of SARS-CoV-2, halting viral replication and enabling the immune system to eliminate the virus. This breakthrough discovery offers a potential preventive-treatment option for unvaccinated individuals or those with weakened immune systems.

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.

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.

Researcher discovers key gene responsible for cancer drug resistance

A researcher at the University of Missouri-Columbia has discovered a protein called USP15 that protects cancer cells from destruction by removing ubiquitin tags placed on them by immunomodulatory drugs. Testing patients for USP15 may help determine resistance to these therapies, paving the way for more precise and customized treatments.

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.