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Science News Archive October 2024


Page 36 of 44

What makes a home garden program successful?

A new case study in India found that home garden interventions struggled due to verbal training, lack of demonstrations, and limited household engagement. However, flexibility and participatory techniques like Process Net-Mapping revealed positive outcomes on nutrition and sustainable agriculture practices.

Cerebral blood flow and arterial transit in older adults

Researchers identify modifiable determinants of cerebral blood flow (CBF) and arterial transit time (ATT) in older adults. A higher BMI was associated with lower CBF and longer ATT, while cardiorespiratory fitness linked to longer ATT in specific brain regions.

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.

Why using a brand nickname in marketing is not a good idea

Researchers found that adopting popular brand nicknames can be detrimental to a company's performance, as it implies consumer control. This is because brand nicknames are often used by consumers, which can make the brand appear weaker when adopted by marketers.

Bubble findings could unlock better electrode and electrolyzer designs

A new study of bubbles on electrode surfaces could help improve the efficiency of electrochemical processes by understanding how blocking effects work. The findings show that only a smaller area of direct contact is blocked from its electrochemical activity, not the entire surface shadowed by each bubble.

Dogs contaminate London ponds with parasite medications

A recent study by Imperial College London has found that dogs swimming in contaminated ponds are releasing harmful levels of two pesticide medications. The chemicals, imidacloprid and fipronil, were used as flea and tick treatments for cats and dogs, posing a significant threat to aquatic life.

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.

Increase access to nature in all daily environments and in education

A Kobe University research team analyzed conditions for access to nature across generations, finding that availability of green spaces, nature-relatedness, and childhood experiences drive visits. The study highlights the importance of effective environmental education and urban planning policies to address inequalities in nature access.

What we can learn from hungry yeast cells

Scientists discovered a unique way in which yeast cells adapt to starvation by coating their mitochondria with massive molecular complexes called ribosomes. This adaptation has potential implications for cancer treatment as it may help overcome the challenges faced by cancer cells when they are starved of nutrients.

Researchers link El Niño to accelerated ice loss in tropics

Researchers have confirmed that El Niño causes a drastic reduction in the snow-covered area of the Quelccaya Ice Cap in the Peruvian Andes. The study used NASA Landsat satellites to measure the ice cap's sensitivity to climate shifts, finding that it lost about 58% of its snow cover between 1985 and 2022.

Meta Quest 3 512GB

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

Scientists issue urgent warning on climate emergency

A new report warns of an unprecedented climate emergency, with key findings including widespread forest dieback and major ice sheet collapse. The authors emphasize the need for decisive action to safeguard the natural world and ensure a livable future.

Scientists from IOCB Prague help to improve medical drugs

Researchers at IOCB Prague successfully isolated the proteasome enzyme complex of the T. vaginalis parasite, enabling them to develop new medicines that can target this parasite without harming humans. This breakthrough has critical implications for treating trichomoniasis and reducing HIV risk.

Apple iPhone 17 Pro

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

Solar-powered desalination system requires no extra batteries

The system removes salt from water at a pace that closely follows changes in solar energy, maximizing the utility of solar power. It produces large quantities of clean water despite variations in sunlight throughout the day, making it an attractive solution for communities with limited access to seawater and grid power.

Stressed bees lack the buzz in life

New research reveals stressed bees make pessimistic choices and lack a buzz in life. They reduce their expectations of reward when agitated, which could impact how they approach and pollinate flowers.

Wavelength-independent and photoinitiator-free laser 3D nanolithography

A team of scientists developed a new method for 3D nanolithography using low peak power laser oscillators, enabling the creation of non-photosensitized materials without photo-initiators. Wavelengths of 517 nm, 780 nm, and 1035 nm are suitable for producing 300 nm polymerized features with high linear writing speeds.

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.

Green education can create new generation of eco-leaders - study

A new study reveals that green education can nurture a generation of eco-leaders to tackle climate change and environmental issues in the Middle East and North Africa. The study recommends integrating sustainability into national curricula, providing sustainable funding for education initiatives, and monitoring evaluation systems.

Celestron NexStar 8SE Computerized Telescope

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

New seed fossil sheds light on wind dispersal in plants

Researchers have discovered a new plant seed fossil, Alasemenia, which provides insight into the origin and early evolution of wind dispersal strategies in plants. The study found that Alasemenia's three-winged seeds are more adapted to wind dispersal than one, two, or four-winged seeds.

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.

Mental health app could help prevent depression in young people at high risk

A cognitive behavioural therapy (CBT) app has been found to significantly prevent increases in depression in young people who are at high risk of developing the condition. The study, which involved over 3,700 participants across four countries, suggests that the CBT app can be an effective public health measure.

Transition to a circular bioeconomy requires getting prices right

A circular bioeconomy aims to reduce waste, transform industries, and regenerate natural systems for environmentally sustainable food and energy production. The concept needs a values-based economic lens with the right policies and incentives to persuade consumers and producers.

The secret strength of our cell guards

A team from UNIGE and EPFL has demonstrated the Entropic Pulling mechanism of Hsp70 chaperones, a long-debated theory that explains their role in controlling protein quality. The study uses nanopore single-molecule technology to show that Hsp70s generate a strong force to manipulate protein structure, ruling out previous models.

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.

Oh my meniscus: age poses risk of further knee injury in children

A recent study published in Knee Surgery, Sports Traumatology, Arthroscopy found that children who undergo surgery for discoid lateral meniscus are at higher risk of developing further knee injuries with age. Younger patients were particularly prone to relapse after surgery.

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.

New research calls for transparency in Medicare Advantage operations

A new study reveals that some Medicare Advantage plans engage in strategic cross-subsidization, offering extra benefits to healthier patients while providing fewer benefits to sicker patients. This practice can lead to reduced care quality for vulnerable populations and exacerbate socioeconomic inequalities in healthcare access.

When it comes to emergency care, ChatGPT overprescribes

A new study from UCSF has found that ChatGPT overprescribes in emergency care situations, providing unnecessary x-rays and antibiotics. The AI model was less accurate than resident physicians, with a tendency to err on the side of caution. Researchers emphasize the need for better frameworks to evaluate clinical information before AI c...

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.

Gut hormones could hold the key to fighting fatty liver disease

Researchers found that intestinal absorption of fats plays a crucial role in preventing diet-induced fatty liver disease. The absence of gut hormones, such as proglucagon-derived peptides, prevents fat accumulation by reducing lipid absorption from the intestines.

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.

George Mason researchers conducting AI exploration for snow water equivalent

Researchers at George Mason University are developing an AI-powered system to predict snow water equivalent (SWE) forecasts, utilizing graph neural network-based models and physics-based constraints. The project aims to create more accurate and reliable SWE forecasts by capturing detailed snow accumulation and melt processes.

Scurvy: Not just an 18th-century sailors’ disease

A case study of a 65-year-old woman with scurvy highlights the need to consider vitamin C deficiency in patients with restrictive eating patterns and limited social support. Vitamin C deficiency is more common than expected, especially among those with low socioeconomic status or substance use disorders.

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.

Texting while walking puts pedestrians in danger: UBC study

A UBC study analyzing pedestrian interactions with vehicles on busy streets found that distracted pedestrians face higher safety risks compared to undistracted road users. Distracted pedestrians remained unaware of their surroundings, making fewer adjustments to their path or speed.

AI and quantum mechanics team up to accelerate drug discovery

Researchers created SmartCADD, an AI-powered virtual tool combining quantum mechanics and Computer Assisted Drug Design techniques. The tool speeds up the screening of chemical compounds, significantly reducing drug discovery timelines and identifying promising HIV drug candidates.

NASA: new insights into how Mars became uninhabitable

Researchers used instruments on board Curiosity to measure the isotopic composition of carbon-rich minerals and discovered extreme evaporation, suggesting a climate that could only support transient liquid water. This finding rules out life on Mars' surface but leaves open the possibility of an underground biosphere.

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.

Study finds common breast cancer treatments may speed aging process

A new study found that common breast cancer treatments, including chemotherapy, radiation, and surgery, can increase expression of aging markers in breast cancer survivors. The study suggests that these treatments can have a more extensive impact on the body than previously thought, leading to accelerated biological aging.

Bias found when drug manufacturers fund clinical trials

A recent study found that psychiatric drugs are 50% more effective in clinical trials funded by the manufacturer compared to those sponsored by other groups. The researcher attributed this phenomenon to the sponsorship effect, which is reduced by 20% when unpublished trials are included in the analysis. Preregistration has helped reduc...

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.