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Science News Archive April 2021


Page 25 of 46

Nuclear DNA from sediments helps unlock ancient human history

Researchers at the Max Planck Institute for Evolutionary Anthropology developed new methods to enrich and analyze human nuclear DNA from sediments. This breakthrough allows for the study of population relationships and the deep human past, providing new opportunities for investigation and expanding the range of options to tease out evo...

Detoxifying exhaust gas from device production processes

A new exhaust gas abatement system has been developed to detoxify dangerous gases used in device manufacturing processes. The system uses arc plasma heat source to reduce the amount of energy required for processing, resulting in an energy savings of up to 75%.

Betting on drones as smart agricultural tools for pesticide use in farms

Researchers found that drones were only slightly less expensive per unit area than tractor-mounted boom sprayers for pest-control costs, while also having a slight advantage in daily area coverage. Data envelopment analysis showed that both boom sprayers and UAVs reached maximum or near-maximum efficiency for most paddy areas.

Apple iPhone 17 Pro

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

Ten reasons why the coronavirus is airborne

A new assessment published in the Lancet journal finds that SARS-CoV-2 is predominantly transmitted through the air, with silent (asymptomatic) transmission accounting for at least 40% of all cases. The study suggests that public health measures should focus on reducing airborne transmission to protect against COVID-19.

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 strengthens links between red meat and heart disease

An observational study of nearly 20,000 individuals found that greater intake of red and processed meat is associated with poorer heart function and stiffer arteries. In contrast, higher consumption of oily fish was linked to improved heart function and healthier arteries.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

The architect of genome folding

Researchers discovered HP1a as an epigenetic regulator that establishes the global structure of the genome in early Drosophila embryos. The study used powerful genetics and 3D genome modeling to show that HP1a is required for proper chromatin organization at multiple hierarchical levels during embryonic development.

Fluke 87V Industrial Digital Multimeter

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

CO2 conversion using a new Power-to-X system

A new pilot-scale project aims to produce biomethane from renewable electricity and CO2 in a cost-effective system. The InjectMe project, funded by the Danish Energy Agency, will test a biological methanation system that converts electricity and biogas into natural-gas-quality biomethane.

Southeast Regional Sun Grant Center announces grant recipients

The Southeast Regional Sun Grant Center has awarded grants totaling over $2 million to support six research projects aimed at developing sustainable, bio-derived products. These projects will provide new insights and materials for the southeastern US bioeconomy, creating essential information for future economic growth.

The CNRS 2021 Innovation Medal laureates

The four CNRS 2021 Innovation Medal laureates have developed diverse projects, from ecological engineering to sustainable chemistry and regenerative medicine. Their work has led to significant technological innovations, such as marine ecological engineering platforms and micro-magnets for hybrid-electric vehicles.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

A neuromagnetic view through the skull

A team of researchers has successfully developed a highly sensitive magnetoencephalography (MEG) technology that can detect even fast brain oscillations produced in response to single sensory stimuli. This breakthrough enables noninvasive observation of nerve cells transmitting information, shedding light on factors such as alertness a...

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.

The Internet brings people into big cities, new study suggests

A new study by University of Bristol experts finds that internet adoption and urbanization are complementary, reinforcing higher population concentrations in national urban systems. The research suggests that digital technologies have not led to an exodus from cities, but rather attracted more people towards them.

Sunlight to solve the world's clean water crisis

Researchers at UniSA have developed a cost-effective method to derive freshwater from seawater or contaminated water through efficient solar evaporation, delivering up to 20 litres of fresh water per square metre per day. The system is built using simple, everyday materials and requires minimal maintenance.

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.

New type of cell contributes to increased understanding of ALS

Researchers have identified a connection between perivascular fibroblast cells and ALS disease onset, suggesting a correlation between elevated protein marker SPP1 levels and aggressive disease process. This discovery has potential implications for earlier diagnoses and future treatments.

Want to be robust at 40-plus? Meeting minimum exercise guidelines won't cut it

A new study led by UCSF reveals that maintaining physical activity during young adulthood, especially at higher levels than previously recommended, is crucial in preventing hypertension. Among the four groups, Black men were found to be the most active in early adulthood but saw significant declines in exercise intake by age 60, mirror...

Celestron NexStar 8SE Computerized Telescope

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

Acta Pharmaceutica Sinica B Volume 11, Issue 3 publishes

This issue of APSB features studies on protecting against doxorubicin-induced cardiotoxicity via increasing YAP1 expression, as well as investigating alternative strategies to downregulate PD-L1 in gastric cancer cells. The journal also publishes research on a novel injectable micelle-hydrogel hybrid for localized drug delivery and tar...

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.

Uncovering the secrets of some of the world's first color photographs

A team of researchers from EPFL's Audiovisual Communications Laboratory used historic photographic plates to study the original light and colors of century-old scenes. They found that Lippmann's method captured 26-64 spectral samples, far more than modern techniques, and were able to recreate the original light using an algorithm.

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.

Objective analysis of stress in the classroom

Researchers used heart rate monitoring to measure stress levels in secondary school students working on biology tasks. Contrary to expectations, mental effort was the primary correlate of stress, not task difficulty.

Understanding how DNA repairs itself may lead to better cancer treatment

Researchers at Northwestern University used cryo-electron microscopy to visualize DNA breakage sensing and repair, gaining new insight into the process. The study's findings could potentially form the basis for understanding how cells respond to chemotherapy and radiation, leading to improved cancer treatments.

Good dental health may help prevent heart infection from mouth bacteria

The American Heart Association recommends prioritizing good oral hygiene and regular dental care over antibiotics for preventing heart infections caused by mouth bacteria. Patients with certain conditions, such as prosthetic heart valves or congenital heart disease, are at higher risk of developing these infections.

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.

A new drought monitoring approach: Vector Projection Analysis (VPA)

Researchers at UNIST propose a new drought monitoring method using Vector Projection Analysis (VPA), which can comprehensively investigate drought disasters. The approach captures varied climate and environmental characteristics, showing good agreement with surface-based indices and drought references across continental scales.

Study reveals how some antibodies can broadly neutralize ebolaviruses

Scientists at Scripps Research have discovered how some antibodies can broadly neutralize ebolaviruses by targeting a key site on the virus called the glycan cap. This breakthrough may lead to the development of an antibody-based treatment that can save lives against a range of ebolavirus species.

Study indicates longer reproductive life span experienced by US women

A study published in JAMA found that the age at natural menopause has increased in US women over the past 60 years, with a corresponding increase in reproductive life span. The research suggests that longer reproductive life spans may be associated with better metabolic health outcomes due to prolonged estrogen exposure.

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.

Can financial stress lead to physical pain in later years?

Research reveals that family financial stress in midlife is associated with a depleted sense of control, related to increased physical pain in later years. Financial strain can lead to health conditions like physical pain, physical limitations, loneliness and cardiovascular disease.

Keeping fit with HIIT really does work

Low-volume HIIT (less than 20 minutes total exercise time) yields comparable improvements to longer interventions despite requiring significantly less time. This approach is especially beneficial for individuals with busy schedules who struggle to meet current physical activity guidelines.

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.

Spending time on household chores may improve brain health

A recent Baycrest study found that engaging in household chores is associated with greater brain volume and improved cognitive health in older adults. Household activities such as tidying, meal preparation, and yard work may contribute to these benefits by promoting neural connections and reducing sedentary behavior.

Epidemic of firearm injury spurs new wave of research

Researchers at Michigan Medicine are working to develop innovative solutions to prevent firearm-related deaths and injuries, building on federal funding for the first time in years. The effort aims to strike a balance between public health and gun rights, with initial studies revealing promising results.

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.