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Science News Archive June 2019


Page 8 of 41

Microscopic glass blowing used to make tiny optical lenses

Scientists create miniature cone-shaped lenses, called axicons, using a new micro glass blowing method. The technique enables the production of robust and low-cost glass axicons with high performance vacuum packaging, suitable for integration into biomedical imaging instruments like optical coherence tomography.

New membrane efficiently separates mirrored molecules

Researchers have developed a chiral separation membrane using two-dimensional layered materials, showing high selective permeation efficiency among various enantiomers. The membrane can efficiently separate left-handed and right-handed molecules like limonene, with potential applications in sewage processing and desalination.

A further step towards reliable quantum computation

Researchers have successfully demonstrated a new method for verifying quantum entanglement in six-photon systems, achieving high confidence levels with low experimental runs. This breakthrough could move the field of quantum technologies forward by making large-scale quantum systems more feasible.

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.

Seizures in Alzheimer's mouse model disrupt adult neurogenesis

Researchers found that seizures associated with Alzheimer's disease accelerate neurogenesis in adult brains, but administering anti-seizure medication restored normal dynamics and improved cognitive function. The findings suggest a possible explanation for the controversy surrounding neurogenesis in Alzheimer's 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.

Study funded by NIH supports optimal threshold for diagnosing COPD

A new NIH-funded study supports a 70% ratio of forced expiratory volume in one second (FEV1) to forced vital capacity (FVC) as an accurate threshold for diagnosing clinically significant airflow obstruction in COPD. This simple approach may lead to earlier detection and treatment, improving patient care and public health.

New osteoporosis therapy's dual effects on bone tissue

Romosozumab increases serum markers of bone formation and decreases those of bone breakdown, leading to improved bone mass and microarchitecture. The therapy also reduces the risk of bone fractures in postmenopausal women with osteoporosis.

Apple iPhone 17 Pro

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

Study finds link between hypertension and air pollution

A new study published in the Journal of Public Health suggests a significant link between long-term exposure to ambient air pollution and an increased risk of developing hypertension. The researchers also found associations between air pollution levels and reduced high-density lipoprotein cholesterol, higher triglyceride levels, and ob...

No cell is an island

A study published in eLife found that doublet immune cells are more common than previously thought and play a crucial role in disease progression. The research reveals that these cell complexes can serve as biomarkers for immune perturbations, potentially allowing for early detection of diseases like dengue fever.

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.

Which climates are best for passive cooling technologies?

Researchers mapped radiative cooling resource maps to determine the best climates for large-scale deployment of passive cooling technologies. Locations with drier atmospheres and most frequent clear skies show great potential for reducing energy consumption and carbon footprint.

New immune checkpoint explored for head and neck cancer

Researchers studying CD73, an enzyme suppressing the natural immune response, hope to block its production to help treat aggressive head and neck cancers. High levels of CD73 are associated with poor prognosis in these cancers.

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.

Analyzing the tweets of Republicans and Democrats

Researchers found that Republicans tend to focus on breaking news reports and event-specific facts, while Democrats discuss potential policy changes. The study also reveals a stark contrast in emotions expressed by each group, with Republicans showing more fear and disgust, while Democrats express sadness and calls for action.

New target for drug intervention in Alzheimer's disease identified

Researchers at the University of Alabama at Birmingham have identified LIMK1, a serine/threonine kinase, as a promising target for interventions against Alzheimer's disease. The enzyme is linked to the degradation of dendritic spines, which may play a role in dementia progression.

Shorter rotations in intensive care units mitigate burnout among physicians

A Penn Medicine pilot study finds that shorter intensive care unit rotations can significantly reduce burnout rates by as much as 41% while increasing job fulfillment. The study suggests that organizations can implement strategies like truncated staffing rotations to mitigate burnout and improve physician well-being.

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.

Artificial intelligence improves heart attack risk assessment

A new machine learning approach using coronary CT scans shows better results than existing models in predicting heart attacks and cardiac events. The study found that the AI-based method can identify patients at higher risk more accurately, leading to improved treatment outcomes.

Video games offer clues to help curb animal disease outbreaks

Researchers developed video games to test disease control and prevention strategies, finding that a small shift in risk attitudes can significantly impact disease incidence. The model suggests that changing farmer behavior could make dramatic impacts on avoiding devastating outbreaks.

How gastric stem cells fight bacteria

Researchers discover that gastric stem cells release a protein called intelectin 1 to bind to Helicobacter pylori bacteria, preventing damage. This mechanism is triggered by the presence of H. pylori and stimulates stem cell proliferation and tissue regeneration.

Portable device can be used to diagnose eye disease remotely

Phelcom's Eyer uses a portable optical device connected to a smartphone to capture images of the retina for remote diagnosis. The app sends images over the internet to Eyer Cloud, which stores and manages patient files. With an accuracy rate of around 80%, the system has the potential to examine 50,000 patients next year.

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.

First in vivo proof-of-concept in Steinert's myotonic dystrophy

Researchers have successfully developed and tested a gene therapy approach using CRISPR-Cas9 technology to treat Steinert's myotonic dystrophy, a devastating neuromuscular disease. The study showed that the expanded CTG triplet repeat in the DMPK gene was 'cut' and removed from the gene, reducing toxic RNA aggregates in muscle cells.

Lifelong ill-health after exposure to chemical weapons

A qualitative study of 16 patients in Halabja, Iraq, exposed to sulfur mustard in the 1980s reveals severe physical and mental health impairments. The study highlights the need for holistic care and detection of somatic and mental ill-health to minimize deterioration in health outcomes.

Zero-calorie sweeteners on trial again

Researchers found that maternal exposure to sucralose and acesulfame-K during pregnancy and lactation led to altered intestinal flora and liver toxicity in mouse pups. The study suggests that artificial sweeteners may be safe for adults when used in moderation, but not a substitute for sugar.

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.

National trash: Reducing waste produced in US national parks

US National Parks produce a staggering 100 million pounds of trash each year, with managers seeking ways to divert recyclable materials and reduce overall waste. Key findings from recent research include the importance of moral norms and perceived difficulty in influencing visitor behavior.

Scientists find potential way to defuse 'time bomb' of cardiology

Researchers at Western University and Lawson Health Research Institute have found that senescent cells contribute to the growth of ascending aortic aneurysms. The study suggests that therapies targeting these cells could prevent or slow down aneurysm growth, potentially saving lives.

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.

LSU Health research to study link between obesity and breast cancer in real time

A multidisciplinary team at LSU Health is using two new research techniques to study the link between obesity and breast cancer. They will observe breast tumor development in real-time using a biomimetic tissue-engineered 3D culture system, and analyze the extracellular matrix of breast cancer tumors using decellularization technique.

Discovery may help kick-start ageing immune system

Researchers have identified key factors behind the decline of thymus function with age, which affects T cell production. The findings provide a new target for developing treatments to combat infections and cancers in older adults.

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.

Goat milk kefir is proven to be good for your health

Researchers from the University of Córdoba have analyzed the peptide content of goat milk kefir and discovered 11 beneficial compounds. These findings suggest that fermented kefir may have positive effects on cardiovascular health, immune function, and more.

These neurons affect how much you do, or don't, want to eat

University of Arizona researchers have identified a network of neurons within the amygdala that coordinate with other brain regions to regulate eating behaviors. The findings could help alleviate disease-induced appetite loss or over-eating, which can negatively impact quality of life and treatment success.

Changes in blood flow tell heart cells to regenerate

A study in eLife reveals that altered blood flow after heart injury triggers a signalling cascade that promotes cell growth and heart tissue regeneration in zebrafish. The findings provide insights into signalling pathways important for heart regeneration in mammals, including the potential to repair the human heart.

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.

Radioactive tadpoles reveal contamination clues

Tadpoles from an uncontaminated wetland were placed in a canal with releases of radiocesium from a nearby reactor, accumulating the contaminant at different rates. The study found that bullfrog tadpoles reached maximum threshold levels between 11-14 days, which is faster than previously studied species like waterfowl and fish.

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.

SwRI-led team studies binaries to make heads or tails of planet formation

A Southwest Research Institute-led team studied the orientation of distant solar system bodies in binary pairs, providing insights into planet formation. Most Kuiper Belt objects (80%) orbit in a prograde direction, contradicting theories on binary formation and supporting the streaming instability hypothesis.

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.

Bringing neuromodulation therapies to drug-resistant epilepsy patients

The UAB clinic has achieved rapid accessibility and improved seizure control for patients with drug-resistant epilepsy. Vagal nerve stimulation (VNS) and responsive neurostimulation (RNS) therapies have shown promise, with 12-11 out of 27-16 patients experiencing a 60% reduction in seizures.

Mood neurons mature during adolescence

Researchers found that most amygdala neurons mature rapidly during adolescence, suggesting a key role in emotional development. However, some neurons remain immature throughout life, offering new insights into how the brain maintains emotional responses flexibility.

Playing 'tag': Tracking movement of young oysters

Researchers use harmless fluorescent dye to track oyster larval movements in Mobile Bay, finding larvae are transported from lower bay to Mississippi Sound via freshwater flow paths. This approach can be applied to other marine species, aiding restoration and management of larval transport pathways globally.