Bluesky Facebook Reddit Email

Science News Archive October 2019


Page 44 of 47

Why some greens turn brown in historical paintings

Copper acetate and copper resinate pigments, used in Renaissance-era art, turned brown over time due to molecular changes triggered by light exposure. Boiling linseed oil before mixing slowed the darkening reaction.

Fragmented physical activity linked to greater mortality risk

A study of 548 older adults found that fragmented physical activity, measured by brief periods of activity and sedentary states, was associated with increased mortality risk. The researchers suggest that this may be an earlier indicator of mortality than total daily activity levels.

Apple iPhone 17 Pro

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

A study of educational sabotage

A study by domestic violence expert Rachel Voth Schrag explores the impact of educational sabotage on survivors, revealing tactics such as financial aid disruption, physical violence, and guilt induction. The research highlights the importance of addressing school sabotage to promote students' well-being and safety.

How opt-out organ donation could affect US waiting lists

A new study from the University of Michigan suggests that an opt-out organ donation policy could alleviate some of the burden on US waiting lists, but its impact would be marginal. The researchers found that such a policy could potentially translate to large gains in life years for thousands of patients awaiting organ transplantation.

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.

Novel material with strong action against fungi and tumors was developed

A new composite material with enhanced antifungal activity was created by irradiating metallic tungstate with electrons and femtosecond laser pulses. The modified compound displayed antifungal activity 32 times greater than original silver tungstate, while also showing promise in treating bladder cancer cells.

Smartphone typing speeds catching up with keyboards

A study of over 37,000 users reveals that smartphone typing speeds are decreasing the gap between mobile devices and physical keyboards. Young people aged 10-19 years old can type around 10 words-per-minute faster than their parents' generation.

CRISPR technology reveals secret in monarchs' survival

Researchers used CRISPR technology to study the genetic changes that allow monarch butterflies to survive toxic milkweed by editing genes into laboratory fruit flies. This breakthrough reveals a key adaptation in the evolution of these iconic insects.

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.

Preventing future forest diebacks

Researchers argue that Germany's reforestation plan won't protect forests from future climate change. Instead, preserving dead wood and promoting diverse tree structures could increase resistance to extreme weather events and pests.

Moffitt researchers identify mechanism controlling DNA repair

Researchers at Moffitt Cancer Center have identified a new mechanism controlling DNA repair, where βarrestin-1 targets 53BP1 for protein degradation. This finding provides a novel strategy for developing therapeutic agents with radiation protection properties.

Fungal invasion of pancreas creates cancer risk

Certain fungi can expand their population over a thousand-fold, encouraging pancreatic cancer growth, according to a new study. The study found that treating mice with an antifungal drug reduced PDA tumor weight by 20-40 percent.

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.

Lifetime indoor tanning associated with squamous cell carcinoma cancer

A large Norwegian study of nearly 160,000 women found a significant association between cumulative exposure to indoor tanning and the development of squamous cell carcinoma. The findings suggest that even short-term indoor tanning can increase cancer risk, emphasizing the importance of sun protection measures.

Mutant cells team up to make an even deadlier blood cancer

Researchers at Cold Spring Harbor Laboratory discovered that the IDH2 and SRSF2 gene mutations work together to cause acute myeloid leukemia (AML), a deadly blood cancer. The team found that the presence of these mutations leads to errors in RNA splicing, resulting in defective blood cells.

Grouping 'smart cities' into types may help aspiring city planners find a path

A comparative analysis of 60 municipal smart-city plans reveals four major types: Essential Services Model, Smart Transportation Model, Broad Spectrum Model, and Business Ecosystem Model. These categories offer targeted suggestions for implementing smart-city components, tailored to each city's socio-economic circumstances.

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.

How to make online recommendations work better

A new study in the Journal of Marketing finds that user-based framing outperforms item-based framing in online recommendations, providing customers with a sense of taste matching beyond product attributes. This approach increases click-through rates and can be adapted at little cost to maximize return on recommender systems.

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.

Tracking the HI virus

A European research team has developed a method to track the HI virus's spread between living cells using superresolution STED fluorescence microscopy. The study reveals that the HIV pathogen creates a specific lipid environment for replication, providing a potential target for antiviral drugs.

Managing stormwater and stream restoration projects together

Researchers found that combining stormwater controls with stream restoration results in improved erosion reduction. The study suggests that watershed-scale implementation of stormwater controls is essential for reducing channel erosion and pollutant loading, making it a more effective approach than individual restoration projects.

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.

Hypoglycaemia prevention could cut hospital stays

A systematic review and meta-analysis found that people with diabetes exposed to hypoglycaemia during their admission had an increased average length of stay. The risk of inpatient mortality almost doubled in this group, highlighting the importance of preventing hypoglycaemia to improve patient outcomes.

Using past extinctions to drive future conservation

Researchers used fine-grain analyses and new technologies to study past extinctions, gaining insights into animal populations' responses to climate change and other external drivers. The findings inform present approaches to ecosystem management and may even aid in species rewilding efforts.

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.

Teens taking oral contraceptives may be at increased risk for depressive symptoms

A new study found no overall association between oral contraceptive use and depressive symptom severity in young women, but reported higher symptoms in 16-year-old girls. The researchers suggest that the bidirectional relationship between oral contraceptive use and depressive symptoms may be at play, with both contributing to each other.

New approach to pain treatment in diseases of the pancreas

Researchers at Technical University of Munich have discovered a specific neuroenzyme responsible for analgesics resistance in chronic pancreatitis. The team found that targeting this enzyme, nNOS, with an existing inhibitor reduces pain perception in animal models, offering new hope for pancreatic patients

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.

Researchers use drones to weigh whales

Researchers used drones to take aerial photos of southern right whales, allowing them to calculate body volume and mass without weighing live whales. This innovative method enables new avenues of research into whale physiology and ecology.

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.

Researchers use drones to weigh whales

Scientists develop a method to estimate whale weight using drone aerial images, opening up new avenues of research on growth, energy requirements and survival. The innovative approach can be used for studying other marine mammals where alternative methods are not feasible.

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.

Tunable optical chip paves way for new quantum devices

Scientists demonstrate a new type of quantum device using a silicon carbide photonic integrated chip that can be tunable, paving the way for next-generation quantum information processing devices. The approach overcomes some of the fragility drawbacks of previously reported SiC platforms.

ADHD and risk of giving birth as teenagers

A Swedish study of over 384,000 women found that those with attention-deficit/hyperactivity disorder (ADHD) had a higher likelihood of giving birth as teenagers. The research suggests that teenage girls with ADHD may face increased risk of early childbirth, highlighting the need for closer monitoring and support.

Laser therapy gains credibility as effective option for treating vaginal problems

A new study published by The Menopause Society finds that fractional CO2 laser therapy is as effective and safe as vaginal estrogen in improving sexual and urinary functionality in postmenopausal women. After 6 months of follow-up, researchers reported similar improvements in symptoms such as vaginal dryness, itching, and burning.

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.

Plant diversity a casualty of high-severity wildfires

A study by University of California, Davis, found that high-severity fires are turning forest patches into shrub fields, indefinitely in some cases. The researchers suggest a multifaceted management approach to help forests adapt and preserve plant diversity.

Argonne receives more than $1 million for quantum information science

The U.S. Department of Energy's Argonne National Laboratory has received $1.19 million in funding for five projects related to quantum information science (QIS). Researchers will develop ultra-sensitive detectors to detect dark matter and simulate fundamental theories on a quantum computer.

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.

Reshaping rehab recovery

A new intelligent depth sensor system will track and assess daily activities of patients recovering from stroke in their own homes. The system provides personalized therapy plans tailored to individual patient goals and abilities.

CU Anschutz receives grant for cancer prevention and control

The University of Colorado Anschutz Medical Campus has received a grant to advance implementation science and cancer control efforts. The Center will develop resources and education to enhance cancer prevention and control in Colorado and nationally.