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Science News Archive June 2024


Page 7 of 39

The on-and-off affair in DNA

Researchers discovered that H3K9 methylation is not a simple 'off switch' but rather a 'dimmer switch' that fine-tunes DNA transcription in thale cresses. The study found that two other proteins, LDL2 and ASHH3, play a crucial role in this process.

AI-based Alphafold: Its potential impact on predictive medicine

AlphaFold's groundbreaking ability to predict protein structures is set to transform predictive medicine, enabling the development of personalized vaccines and adaptive clinical trials. However, the review also highlights crucial challenges and ethical considerations surrounding AI integration with clinical data.

Apple iPhone 17 Pro

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

Jordanians keen to harness community benefits of energy transition

A survey conducted by RIFS shows that 91% of Jordanian citizens want to see an expansion of renewable energies. They hope this will create jobs, improve energy security, and reduce costs. However, the government's policy of blocking renewables has stalled the energy transition.

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.

Team aims to improve safety of fertilizers made from wastewater sludge

A new study by Johns Hopkins researchers identifies 92 compounds in biosolids that could pose potential risks to human health and the environment. The team screened 16 samples of biosolids from US and Canadian cities and found a range of contaminants, including pharmaceuticals and industrial chemicals.

Should you eat more dietary fiber? New study says it depends.

A new Cornell University study found that dietary fiber recommendations should be tailored to each person's unique gut microbiome. The research identified two types of resistant starch and found that individuals may respond differently to these foods, with some benefiting from increased fiber intake and others experiencing no effect.

Music sends our brainwaves dancing

A study from Aarhus University and the University of Oxford reveals that listening to music sets off a complex chain reaction in the brain, involving areas for sound, emotions, and memory. This understanding could lead to new interventions for improving cognitive function in individuals with neurological conditions.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

How uncertainty builds anxiety

Researchers at UC Davis discover that uncertainty drives anxiety by changing how we perceive hazard rates. The study found that when the timing of a potential threat is unknown, our brains respond with increased anxiety.

Uncovering the drivers of a million-year-old glacial transition

Researchers from the Mann Research Group found strong path dependence in Plio-Pleistocene glaciations, driven by a gradual decrease in regolith and volcanic outgassing. The study suggests that carbon dioxide levels determine the onset of the Mid-Pleistocene Transition, and that it's not too late to act to prevent ice sheet collapse.

Charting super-colorful brain wiring using an AI's super-human eye

Scientists at Kyushu University created QDyeFinder, an AI pipeline that untangles the dense neuronal networks in the brain. The system uses a super-multicolor labeling protocol to tag neurons and then automatically identifies their structure by matching similar color combinations.

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.

For better loan terms, find a partner

Researchers found that companies in strategic alliances can access more favorable loan rates and terms through the financial networks of their partners. This is because banks with existing relationships with an alliance partner offer lower interest rates to a company entering the alliance.

Drug delivery via textile fibers

Researchers developed medical fibers with a liquid core to administer painkillers, antibiotics, and insulin precisely over time. The fibers can be controlled to release drugs at specific rates, making them suitable for various applications, including surgical suture material and wound dressings.

Surprising vortex behind new solar cell and lighting materials

Researchers at the University of Texas at Austin have discovered topological vortices in polaron quasiparticles that contribute to generating electricity from sunlight. The discovery can help develop new solar cells and LED lighting with exceptional energy conversion efficiency.

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.

Amazon rainforest faces drought risk despite carbon removal efforts

The Amazon rainforest, a crucial carbon sink, may experience reduced precipitation due to increased CO2 concentrations, leading to higher tree mortality rates and forest shrinkage. A recent study found that rainy season precipitation in the Amazon is irreversible under a CO2 removal scenario, putting the region at risk of drought.

Why people resort to lynching

A new dataset reveals that lynchings in Latin America are often triggered by alleged theft or murder, with groups of 20-99 individuals involved. Close-knit community ties and peer pressure play a significant role in ordinary civilians taking part in acts of violence against alleged wrongdoers.

Thirty years of change of fish communities in South China Sea

A study on fish communities in Daya Bay reveals a decline in diversity, shifts in composition, and shrinking of fish body size over the past 30 years. The research highlights the impact of environmental pollution, overfishing, and habitat fragmentation on the ecosystem.

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.

Researchers propose the next platform for brain-inspired computing

Scientists at UC Santa Barbara develop new neuromorphic computing platform that mimics human brain energy efficiency, reducing power consumption by about 100 times. The 2D tunnel-transistors use lower off-state currents and low subthreshold swing to enable faster and more efficient switching.

Study challenges ED protocols for geriatric head injuries and blood thinners

A new study published in The Journal of Emergency Medicine found that the incidence of delayed intracranial hemorrhage in geriatric patients on anticoagulants is significantly lower than previously reported rates. This challenges current ED protocols and suggests that routine repeat CT scans may not be necessary for these 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.

British conversation is changing: Why people speak more alike today

Research by Lancaster University found that people in higher social grades, including corporate world and education sectors, are adopting each other's speech patterns to be more inclusive. This 'resonance' has increased over the past 20 years, particularly among those with high social status.

Moving objects precisely with sound

Using wave momentum shaping, EPFL researchers guided a ping-pong ball along a pre-determined path in a tank of water, even with obstacles and dynamic environments. The method, inspired by optical tweezers, holds great promise for biomedical applications like noninvasive targeted drug delivery.

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.

New study unveils formation secrets of tiny rare earth elements

Researchers at Trinity College Dublin have discovered a novel method for forming bastnåsite, a crucial mineral in extracting rare earth elements. The study reveals that fluocerite can act as a 'seed' to promote the rapid formation of bastnåsite, with significant implications for efficient and cost-effective extraction methods.

Gene variant may underlie diabetes disparities: study

A genetic variation common in people of African ancestry is associated with an increased risk of diabetic retinopathy and nephropathy. Testing for this variant could help clinicians diagnose and treat diabetes more effectively, reducing disparities in diabetes complications between individuals of European and African ancestries.

Celestron NexStar 8SE Computerized Telescope

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

Robots face the future

The team, led by Professor Shoji Takeuchi, created a layer of skin that can bind to complex forms of humanoid robots, granting them increased mobility and self-healing abilities. The research has potential applications in the cosmetics industry, medical research, and robotics.

Brain connectivity on MRI predicts Parkinson’s disease progression

A study published in Radiology found that brain connectivity on MRI scans can predict the progression of brain atrophy in patients with mild Parkinson's disease. The researchers used MRI data to generate a map of the brain's neural connections, which showed potential in predicting gray matter atrophy accumulation over time.

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.

Farmland weeds help to combat pests

A University of Bonn study found that leaving some weeds between crops helps combat pests. Intercropping with wildflowers also attracts beneficial insects, making it harder for weeds to grow and pests to infest the field. The study suggests tolerating residual weeds as a farming practice.

Power and precision: A quantum leap in servo system technology

The study explores advanced motor topologies and control strategies to enhance performance in various high-end applications. Advanced control methods, such as field-oriented control and model predictive control, are crucial for achieving faster response times, higher precision, and improved stability in servo 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.

Dietary fibers make our gut bacteria behave healthy

Researchers discovered that dietary fibers play a crucial role in determining the balance between healthy and harmful substances produced by gut bacteria. By influencing bacteria behavior, dietary fibers promote healthy outcomes and prevent disease progression. The study highlights the importance of dietary habits in shaping gut health.

Study identifies gene targets to combat cognitive decline

Researchers identified changes in gene activity underlying cognitive decline in older nematode C. elegans, providing evidence for neuroprotective genes that may preserve cognition later in life. Reducing expression of certain genes improved memory performance in aged animals.

Heat and disease: The genetic tug-of-war in pepper immunity

A recent study has identified a key negative regulator in pepper plants, CaSTH2, which impairs the activation of immune responses against pathogens and reduces heat tolerance by interacting with and inhibiting CaWRKY40. This discovery sheds light on the complex regulatory networks that plants use to balance their defenses.

Australia’s giant lizards help save sheep from being eaten alive

A study found that heath goannas are more effective in removing blowflies from the landscape than introduced European mammals. This reduces the emergence of 'fly strike', a disease affecting sheep, and has significant implications for the Australian sheep farming industry.

Meta Quest 3 512GB

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

International trial introduces another curative option for sickle cell disease

The new treatment, nonmyeloablative haploidentical bone marrow transplant (BMT) with thiotepa and posttransplant cyclophosphamide (PTCy), has shown a two-year overall survival of 94.1% in children and adults, with no difference between age groups. The therapy is proving to be well-tolerated and offers an affordable alternative to expen...

Gold membrane coaxes secrets out of surfaces

Researchers developed a thin gold membrane with pores to selectively amplify Raman signals from surfaces, enabling the study of surfaces for the first time. This breakthrough improves the efficiency and degradation behavior of batteries, catalysts, and solar cells.

Fluke 87V Industrial Digital Multimeter

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