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Science News Archive October 2016


Page 13 of 44

How does friendly fire happen in the pancreas?

Scientists at Helmholtz Zentrum München have discovered a mechanism used by the immune system to prepare for attacks on insulin-producing cells in the pancreas. The team identified a signaling pathway triggered by miRNA92a, which leads to an increase in immune cells that promote autoimmunity. Targeted intervention using antagomirs may ...

Researchers discover ways to expand temperature stability range of solar cells

Scientists at the University of Virginia have made new inroads on understanding the fundamental physics behind hybrid organic-inorganic perovskites (HOIPs), a class of materials that are extremely lightweight and flexible. By discovering ways to stabilize their properties, researchers hope to expand the temperature stability range of H...

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.

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.

John Innes Centre scientists solve 60-year-old Septoria mystery

Plant breeders have struggled to combine high yield and resistance to Septoria in wheat varieties, but John Innes Centre researchers have found a genetic connection between the two traits. The study reveals that nearly 60 years ago, breeding decisions inadvertently linked increased susceptibility to Septoria with higher yields.

Meta Quest 3 512GB

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

RIT awarded grant to study a globally coordinated vaccine market

A Rochester Institute of Technology researcher is developing a comprehensive model for affordable vaccines in low-income countries through a three-year grant. The model aims to simulate a coordinated vaccine market that balances affordability with sustainability and profit.

Apple iPhone 17 Pro

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

The universe is expanding at an accelerating rate -- or is it?

A team of scientists found that the evidence for an accelerating expansion of the universe may be flimsier than previously thought, with data consistent with a constant rate of expansion. The study challenges the standard cosmological concept and suggests that dark energy, a mysterious substance driving this acceleration, may not exist.

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.

Inflammation triggers unsustainable immune response to chronic viral infection

Scientists at the University of Basel discovered that chronic viral infections lead to an inadequate immune response due to prolonged inflammation. This hasty reaction by B cells produces antibodies quickly but also leads to their rapid depletion, resulting in a short-lived and unsustainable defense against the virus.

Pediatricians update digital media recommendations for kids

The American Academy of Pediatrics recommends limiting digital media to one hour a day for children aged 2-5, while avoiding it in children under 18 months. Parents should also engage with their children during use, using devices as tools to support family connection and promote healthy habits.

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.

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.

A new class of materials could realize quantum computers

Scientists at EPFL and PSI have discovered a new class of multiferroic Rashba semiconductors, which can be used to develop spintronics. These materials exhibit exotic properties, including the interaction between electric and magnetic fields, and could pave the way for future quantum computers.

Study reveals potential new strategy to prevent Alzheimer's disease

Scientists at Baylor College of Medicine identified a potential new strategy to prevent Alzheimer's disease by inhibiting the enzyme Nuak1, which reduces tau accumulation in the brain. The study used a three-pronged approach and confirmed results in human cells, fruit flies, and mouse models.

Rap1, a potential new target to treat obesity

Scientists have discovered that the Rap1 gene plays a crucial role in energy balance and that its inhibition can restore sensitivity to leptin, a hormone that regulates appetite and body weight. The study suggests that targeting Rap1 may be a potential therapeutic approach for treating human obesity.

Adverse events affect children's development, physical health and biology

A new study examines the effect of adverse childhood experiences on health and biological outcomes in children, finding associations with weight changes, asthma, and sleep disruption. Researchers highlight the importance of early detection to protect children's health and well-being before long-term adult outcomes occur.

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.

Study examines suicides publicized on social media and teens' ER visits

A Canadian study found a significant increase in emergency department visits for suicidal behavior among teenagers starting in June 2011, but not among younger children. The research suggests that this trend cannot be attributed to social media publicity surrounding the cyberbullying death of 15-year-old Amanda Todd.

UA receives $10.3 million to help unlock the mystery of Alzheimer's in women

Researchers at the University of Arizona Health Sciences aim to unlock the mystery of Alzheimer's disease in women, who are disproportionately affected by the neurodegenerative brain disease. The five-year National Institute on Aging program project grant will investigate biological transformations during perimenopause that may increas...

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.

UV light improves smartphone cameras

Scientists at MIPT have found that treating photodetectors with UV light can turn them into high-bandwidth devices, making them suitable for a wide range of applications. The process is quick, cheap, and efficient, and the acquired properties remain unchanged after manufacturing.

Understanding bacteria's slimy fortresses

Researchers tracked a single bacterial cell as it grew into a mature biofilm of 10,000 cells. They found that the bacteria secrete a glue-like substance to keep from getting washed away and protect themselves from competing bacteria. A key gene, RbmA, plays a crucial role in developing a denser, stronger biofilm.

Pharmaceutical companies are profiting from rare diseases

A recent study by Bangor University found that pharmaceutical companies marketing orphan drugs for rare diseases can be up to 15% more profitable than other drug companies. This is due to the lucrative market for these treatments, with some costing as much as £340,000 per patient per year.

A new view of the immune system

Scientists have identified thousands of 'spliced epitopes', previously thought rare, which are highly prevalent and play a key role in the immune response. This discovery may lead to new understanding of autoimmune diseases and open opportunities for vaccine development.

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.

Researchers find way to tune thermal conductivity of 2-D materials

Researchers found an unexpected method to control the thermal conductivity of two-dimensional (2-D) materials by introducing disorder through lithium ions. This approach allowed for a significant increase in the material's thermal anisotropy ratio, making it more efficient at dissipating heat in electronic devices.

The fight against deforestation: Why are Congolese farmers clearing forest?

A study by Pieter Moonen reveals that only a small group of Congolese farmers are driving deforestation, not for self-sufficiency but to sell crops on the market. The findings highlight the need for a more effective approach to deforestation, including local community support and sustainable land use practices.

Focusing on pleasure of eating makes people choose smaller portions

A study published in the Journal of Marketing Research found that people will choose smaller portions of food when they are enticed by the multisensory pleasure of taste, smell, and texture. This approach can lead to positive outcomes for consumer satisfaction and health, while also benefiting profits in the food industry.

Where does cisplatin bind?

Researchers develop universal assay to detect cisplatin cross-linking sites in the genome. They found that mitochondrial DNA is a major target of cisplatin's action, while nuclear DNA is less affected.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Research in worms provides path to study diabetic complications

Researchers at Buck Institute have found a sensor for reactive molecules linked to diabetic complications, providing a pathway to study many of the ravages of diabetes. Two natural compounds, including alpha-lipoic acid, prevented nerve damage in worms experiencing similar hypersensitivity to touch as humans with diabetic neuropathy.

Strong, steady forces at work during cell division

Biologists at UMass Amherst have quantified the internal force during cell division, resolving a decades-long debate on how much force is involved. The study found that kinetochore fibers exert hundreds of piconewtons of poleward-directed force, settling the matter of how much force is brought to bear.

Celestron NexStar 8SE Computerized Telescope

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

Male mice model human speech defect

Researchers at Duke University found that male mice carrying a genetic mutation known to affect human speech struggle with sequencing phonemes into words. The study used new statistical tools to analyze the structure of ultrasonic mouse songs, revealing a similar impact on sequence complexity as seen in humans.

Scientists can listen to proteins by turning data into music

Researchers transform protein data into musical sounds, called sonifications, to reveal insights into their structures and functions. By analyzing these melodies, scientists can identify anomalies and gain a better understanding of protein behavior.

Women, diversity in STEM focus of ADVANCE grant to Clemson

The ADVANCE grant aims to create an inclusive academic culture to encourage women and underrepresented minorities in STEM fields. Clemson will implement measures to improve the campus climate, mentorship, and family-friendly policies to retain female faculty members.

Self-healable battery

Scientists have developed thin, flexible lithium ion batteries that can self-heal after breaking, overcoming common wearables' power source limitations. The new batteries feature a self-healing polymer and gel electrolyte, allowing for safe use on the body.

Withholding amino acid depletes blood stem cells, Stanford researchers say

Researchers at Stanford University School of Medicine discovered that a diet deficient in the amino acid valine can effectively deplete blood stem cells in mice, allowing for successful transplantation. This finding may lead to new ways to treat certain cancers and bone marrow disorders without chemotherapy or radiation therapy.

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.

How human eggs end up with the wrong number of chromosomes

Researchers explore why human oocytes frequently have abnormal numbers of chromosomes, which can cause genetic disorders such as Down syndrome. Studies found that age-related deterioration of chromosome structure contributes to these errors.

Turning biofuel waste into wealth in a single step

EPFL scientists have discovered a way to convert lignin from plant biomass into valuable molecules for biofuels and plastics using formaldehyde. The method resulted in yields 3-7 times higher than those without formaldehyde, offering a potential solution for sustainable energy production.

'Gene therapy in a box' effective, reports Nature Communications

A portable device enables medical staff to genetically modify blood stem cells at a lower cost and with reduced staffing requirements. The technology has the potential to make gene therapy more accessible to patients in developing countries, reducing the need for expensive clean rooms.