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Science News Archive July 2023


Page 34 of 36

New study shows glutaminase 2 regulates glucose metabolism in pancreatic β-cells

A recent study published in Scientific Reports has uncovered the crucial role of glutaminase 2 in maintaining glucose homeostasis in pancreatic β-cells, particularly under conditions of hyperglycemia. The research team found that impaired GLS2 activity drives the onset of diabetes mellitus by disrupting insulin and glucagon regulation.

Orbital angular momentum boosts multiplexed holography

Researchers have implemented Orbital Angular Momentum (OAM) as an independent information carrier for optical holography, leading to OAM multiplexed holography. The new design approach, MHC-OAM, uses spatial light modulators to achieve multiramp helical conical beams with different parameters serving as information encryption or decryp...

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.

How photonics is revolutionizing convolutional neural networks

Researchers use photonics to accelerate convolutional neural networks by harnessing light's unique properties, reducing power consumption and increasing efficiency. This approach enables real-time image processing and scalable solutions for complex images.

Dissolving cardiac device monitors, treats heart disease

Researchers developed a soft, wireless implant that monitors the heart and delivers electrical stimuli to stop atrial fibrillation. The device dissolves harmlessly in the body after a clinically relevant period, reducing healthcare costs and improving patient outcomes.

New study out of York U answers the question: Is anyone truly healthy?

A recent study published in PLOS One found that most people have something wrong with them, but the relationship between risk factors and mortality changes over time. The researchers discovered paradoxical relationships, such as increased mortality risks associated with lung cancer despite decreased funding for research.

Tracking ships’ icy paths amidst climate change

Researchers at Michigan State University have found that many ships are following the ice, fishing close to the edge of ice packs, posing a growing threat to wildlife such as bowhead whales. The study highlights the need for caution and planning when it comes to increased marine traffic in the region.

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.

Association of population well-being with cardiovascular outcomes

A recent study published in JAMA Network Open has discovered a significant association between high population well-being and reduced cardiovascular disease mortality. The research, led by Erica S. Spatz, found that improved well-being can serve as a focus for advancing cardiovascular health.

Polarized imaging dynamic light scattering measures the nanoparticle size, morphology, as well as their distributions simultaneously, thus finding applications in various fields including catalysts, abrasives, fillers, nanodrugs, and battery materials

Researchers developed a fast and convenient method called polarized imaging dynamic light scattering (PIDLS) to evaluate nanoparticle size, morphology and distributions. The method uses optical sphericity to describe the degree of deviation from spheres and provides statistical morphological distribution.

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.

Finding the flux of quantum technology

Researchers at the University of Pittsburgh have discovered a way to efficiently separate and harness individual photons, a critical component in quantum photonics. This breakthrough has the potential to significantly increase the speed of quantum technology applications.

Lasering lava to forecast volcanic eruptions

University of Queensland researchers have developed a new technique using laser ablation inductively coupled plasma quadruple mass spectrometry to analyze the chemical composition of magma. This high-resolution method provides clearer data on the eruption style and lava flow, enabling better forecasting of volcanic eruptions.

Apple iPhone 17 Pro

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

Holograms for life: Improving IVF success

Researchers at the University of Adelaide have created 3D holographic images of embryos to aid in selecting the best quality embryos for IVF, potentially improving success rates. The non-invasive approach uses miniscule amounts of light to provide insights into embryo development.

Team from the University of Ottawa develops new drug discovery platform

A team from the University of Ottawa has developed a comprehensive screening platform and cellular interrogation tool to facilitate novel drug discovery targeting various human diseases. The 'Tango-Trio' platform can identify small molecule modulators for orphan GPCRs, which have significant untapped therapeutic potential.

New genetic technology developed to halt malaria-spreading mosquitoes

Scientists have developed a new genetic technology called Ifegenia that suppresses populations of Anopheles gambiae mosquitoes, which primarily spread malaria in Africa. The system targets females, which are the primary disease carriers, and kills them, halting parasite transmission.

Meta Quest 3 512GB

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

No increase in mortality for most overweight people, study finds

A large US study of over half a million adults found that BMI was not significantly linked to increased all-cause mortality in most cases. The study suggests that further research is needed to fully understand the relationship between BMI and mortality risk, particularly among younger adults.

Artificial cells demonstrate that "life finds a way"

A team of researchers at Indiana University created a synthetic cell with only 493 genes, essential for life. The cell evolved rapidly over 300 days, adapting to its environment and recovering fitness lost due to genome streamlining.

Antisense therapy restores fragile X protein production in human cells

A novel antisense therapy has restored fragile X protein production in human cell samples, revealing aberrant alternative splicing of messenger RNA as a key factor in fragile X syndrome. This finding offers real hope for developing new treatments and improving the lives of individuals affected by the condition.

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 ferroelectric material could give robots muscles

A new type of ferroelectric polymer holds promise as a high-performance motion controller, offering a promising avenue for the development of soft actuators. The research demonstrates the potential of ferroelectric polymer nanocomposites to overcome limitations of traditional piezoelectric polymers.

Scientists link genes to diet in inflammatory bowel disease

Researchers have identified two candidate genes, EPHA6 and MUC4, that may play a role in gut chronic inflammation leading to IBD. The study used genetically diverse mice to mirror human populations and found that increased expression of MUC4 in part of the colon may increase IBD risk in humans.

Stressed for a bit? Then don’t click it, cybersecurity experts advise

A study by Pacific Northwest National Laboratory found that workers experiencing high levels of work-related distress are more likely to fall victim to phishing attacks. The researchers identified a statistically significant relationship between stress and response to simulated phishing emails, with every one-point increase in self-rep...

New kidney MRI dye promises more accurate, personalized mapping

A new metal-free MRI dye provides accurate spatial data and quantitative glomerular filtration rate measurements for both kidneys, surpassing current clinical methods. This breakthrough enables personalized diagnosis and treatment planning for patients with kidney disease, representing a significant advancement in personalized urology.

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.

Public support for militarily defending NATO allies

A recent study found that voters in NATO member states are more willing to defend another country if it joins the alliance, with benefits varying by country. NATO membership boosts support for military defense, particularly among non-member countries, and perception of the alliance's value plays a critical role.

A two-for-one approach to boost melanoma immunotherapy

A new study from Sanford Burnham Prebys identified a protein called NR2F6 that helps melanoma cells evade the immune system, but also promotes anti-tumor immunity when targeted. The researchers hope to develop new drugs that can block this protein's activity, potentially doubling the effectiveness of immunotherapy for melanoma patients.

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.

Peritoneal dialysis: New treatment option against infections

Researchers identified a new drug treatment option for peritonitis in patients on peritoneal dialysis, showing that a low dosage of ceftazidime and avibactam is sufficient to treat the infection. The study's findings could help gain control over peritonitis in patients with difficult-to-treat germs.

Researchers find eruption date of Laacher See volcano is wrong by 130 years

Researchers at Durham University argue that a new radiocarbon-based date for the Laacher See volcano eruption is incorrect due to contaminated trees absorbing dead volcanic carbon. The team suggests an alternative date of 12,880 years ago, coinciding with a newly reported sulphur spike in the Greenland ice sheet.

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 map Austria's pig trade network for the first time

The study creates a network that maps domestic trades between holdings in Austria, revealing the most significant risks of disease spread. The analysis highlights the importance of monitoring and prevention strategies in regions with high animal density and frequent transfers.

Lack of sleep lessens cognitive benefits of physical activity

A recent study published in The Lancet Healthy Longevity found that people who were more physically active had better cognitive function, but this benefit was reduced for those with short sleeps. The research suggests that getting sufficient sleep is essential to reap the full cognitive benefits of physical activity.

In search of rice to reduce methane emissions

Researchers have discovered that breeding high-yielding rice hybrids with lower methane emissions can help farmers achieve food security without significantly increasing emissions. The study highlights the potential for low-emission rice production systems to mitigate methane emissions in Latin America and the Caribbean.

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.

Helping plants make better use of sunlight

Researchers at Technical University of Munich have discovered that the outer envelope membrane of chloroplasts plays a crucial role in regulating metabolite transport, which is essential for optimizing photosynthesis. By understanding this process, scientists hope to develop new strategies to boost crop yields and produce more biomass.

Health professions requiring advanced degrees have few Latinos

A new study by George Washington University researchers reveals that Mexican Americans and other Latinos face significant barriers to occupations in the healthcare field that require an advanced degree. The study found that despite being the largest Latino subpopulation, Mexican Americans represent one-quarter or less of the professions.

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.

How the ear can inform the brain of whether hearing is impaired

A study by Pierre Hakizimana at Linköping University found that the DC signal in the cochlea can provide an indication of ear health status, allowing the brain to decode faint sounds. The discovery may contribute to new research on diagnosing noise-induced hearing loss and has implications for preventing permanent damage from loud sounds.

HKUMed in collaboration with the Hong Kong Sanatorium & Hospital, establishes the positive clinical impact of the Multidisciplinary Molecular Tumour Board among patients with advanced solid cancer in the era of Precision Cancer Medicine

The Multidisciplinary Molecular Tumour Board (MTB) has been shown to improve treatment response rates for patients with advanced solid cancer, with 64% of patients benefiting from the MTB-guided approach. The board provides a systematic precision oncology strategy for treatment selection, combining expertise in multiple disciplines.

Fluke 87V Industrial Digital Multimeter

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

Older adults who remain more active have a better quality of life, study finds

A recent study published in Health and Quality of Life Outcomes found that older adults who maintain moderate-intensity physical activity experience a higher quality of life. The researchers tracked the health-related quality of life of over 1,500 participants aged 60 and above, finding that those who spent more time physically active ...

Warmer and murkier waters favour predators of guppies, study finds

Changes in water conditions impact how Trinidadian guppies protect themselves from predators. The interaction of increased temperature and reduced visibility causes fish to form looser protective shoals. This study contributes to understanding the dynamics between prey and predators in a rapidly changing world.

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.