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Science News Archive October 2023


Page 7 of 37

New method tracks how brain cells age

Researchers develop TrackerSci to track newborn brain cells' growth and maturity. The study reveals radical shifts in cell types depending on age, with neurons and glial cells declining in elderly brains.

Marine protected areas and climate change

A comprehensive framework for designing marine protected areas has been developed by an international team of scientists. The guidelines prioritize habitat persistence and coastal corridors to help vulnerable species such as turtles, sharks, and lobsters survive climate change. By connecting habitats fractured by human development and ...

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.

Is red meat intake linked to inflammation?

A Baylor College of Medicine study analyzed metabolite data from over 4,000 adults and found no direct link between red meat consumption and markers of inflammation. The researchers suggest that body weight may be the driver of increased systemic inflammation instead.

Venus had Earth-like plate tectonics billions of years ago, study suggests

A new study suggests that Venus once had plate tectonics similar to those on early Earth, which could have supported microbial life. The researchers used atmospheric data and computer modeling to show that the planet's current atmosphere and surface pressure would only be possible with an early form of plate tectonics.

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.

Treating amphetamine use disorder with stimulants: an encouraging new approach

A new meta-analysis suggests that high-dose prescription psychostimulants like methylphenidate and dextroamphetamine can lower cravings and reduce stimulant use in people with amphetamine-type stimulant use disorder. The study analyzed ten randomized controlled trials and found that effects may increase with higher dosage.

New research finds stress and strain changes metal electronic structure

The study demonstrates experimentally that the electronic and mechanical properties of a metal are connected. Researchers measured lattice distortion as a function of applied stress in the superconducting metal strontium ruthenate, finding changes in mechanical stiffness corresponding to new electronic states becoming occupied.

Genetics links endometriosis and IBS

A study published in Cell Reports Medicine reveals that endometriosis and irritable bowel syndrome (IBS) share common genetic risk factors. This finding explains why patients with one condition may also develop the other, highlighting the need for increased awareness and early diagnosis.

Conduction electrons drive giant, nonlinear elastic response in Sr2RuO4

Conduction electrons play a crucial role in the elastic response of Sr2RuO4. Research reveals that a tiny fraction of current-carrying electrons can dominate the others, making the lattice softer. This finding provides new insights into decades-old problems and has implications for future research.

A promising target to fight inflammatory bowel diseases

The Cusack group at EMBL Grenoble has provided insights into the interactions of XIAP and RIPK2 molecules involved in gut signalling pathways. This research sheds light on how these molecules interact, revealing a promising drug target for treating inflammatory bowel diseases.

Apple iPhone 17 Pro

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

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.

Simple blood test can help diagnose bipolar disorder

Researchers developed a new way to diagnose bipolar disorder using a simple blood test that can identify up to 30% of patients. The test, combined with digital mental health assessments, can differentiate between major depressive disorder and bipolar disorder.

Achieving large and uniform particle sizes

A French team of researchers has developed a method to produce stable polystyrene dispersions with unprecedentedly large and uniform particle sizes. The team used light-driven processes, overcoming the previous 300-nanometer ceiling limit of UV and blue-light-based photopolymerization systems.

New approach assesses frailty in older adults on a continuum

Researchers developed the SOMMA Vigor to Frailty Score to rank older adults from 0 (vigorous) to 12 (frail), predicting their resilience to stress. Patients on the high end of the continuum are up to 31 times more likely to have functional limitations.

Fluke 87V Industrial Digital Multimeter

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

PET imaging: Aggressive brain tumors will soon be treated more effectively

Researchers have made a groundbreaking discovery in positron emission tomography (PET) imaging, enabling more precise removal of glioma cells. The study revealed that early post-administration PET scans can identify the most aggressive tumor areas, leading to faster disease progression and improved treatment outcomes.

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.

Oldest family of jewel wasps discovered from Cretaceous amber in Lebanon

A newly described family of jewel wasps, Protoidae, has been found in Cretaceous amber from Lebanon, providing a unique snapshot of the group's early evolution. The discovery reveals striking characteristics, including a long, shovel-like process, which may have assisted with egg-laying and ovipositing.

Research advances toward goal of net zero carbon emissions

Researchers at the University of Houston have discovered that microalgae can be used to sequester carbon dioxide and convert it into mass-produced proteins, lipids, and carbohydrates. This process has the potential to transform food production, treat wastewater, and produce sustainable biofuels.

Vision via sound for the blind

Researchers developed 'acoustic touch' smart glasses that translate visual information into distinct sound icons, enhancing the ability of blind or low-vision individuals to navigate their surroundings. The technology significantly improved object recognition and reaching abilities, empowering independence and quality of life.

Celestron NexStar 8SE Computerized Telescope

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

NASA's Webb makes first detection of heavy element from star merger

The James Webb Space Telescope has made its first detection of a heavy element, tellurium, in a star merger. This breakthrough allows scientists to better understand the process by which rare elements are created, and may shed light on other elements near tellurium that could be present.

Zika infection in pregnant macaques slows fetal growth

A new study found that Zika virus infection during pregnancy slows fetal growth and affects how infants interact with their mothers in the first month of life. The study also suggests that reducing viral load may be beneficial for infant development.

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.

Childhood trauma linked to headaches in adulthood

A meta-analysis of 28 studies involving 154,739 participants found a strong association between childhood traumatic events and adult headache disorders. People who experienced one or more traumatic childhood events were 48% more likely to have headache disorders than those who had not.

A sustainable future is based on a learning society

A holistic transformation is needed for a sustainable future, and a new study by an international team of researchers explores the Theory of Planetary Social Pedagogy as a driver. This theory applies to all societal sectors and aims to make life meaningful by increasing experiences of belonging and inclusion.

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.

Breaking down the bias: the portrayals of women in medicine in films

A recent study published in JAMA Internal Medicine found that only 18% of physicians portrayed in films are women, despite increasing representation over time. The research highlights the importance of media representation in shaping attitudes towards women in medicine and may contribute to imposter syndrome among underrepresented groups.

Metformin cessation and dementia incidence

Terminating metformin treatment was associated with higher risk of developing dementia in a large cohort of adults. The study of 41,000 participants found that early metformin cessation was linked to increased dementia incidence compared to continued use.

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.

Cancer's sweet Achilles heel

A team of researchers at Kyoto University has found that a deficiency in the enzyme B4GALT3 inhibits tumor growth in mice. The study shows that reduced glycosylation on T cell surfaces correlates with increased CD8+ immune cells infiltrating tumors.

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.

Uncovering the link between cell biomechanics and wound healing

A team of researchers found that fibroblast cells cultured on substrates with varying degrees of stiffness exhibit changes in cell structure, function, and TGF-β activity, which regulates ECM architecture. This study provides insights into how mechanical forces influence wound healing and tissue development.

Intravenous Vitamin C for patients hospitalized with COVID-19

Researchers found no significant improvement in primary composite outcomes, including organ support-free days and hospital survival, among hospitalized patients with COVID-19 who received intravenous vitamin C. The study suggests that vitamin C treatment may not be effective in improving patient outcomes for this population.

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.

Diapers can be recycled 200 times faster with light

Researchers have discovered that water and UV radiation can rapidly degrade the crosslinked polymers in diaper liners without the need for chemicals. This process breaks down the chains linking the polymers, turning them into liquid fibers that can be used to create new products such as adhesives and dyes.

Carers and staff delivering end-of-life care need long-term support

A new study reveals that the COVID-19 pandemic has significantly impacted end-of-life care, with a growing burden on first-time carers and reduced formal care support services. Researchers advocate for improved resources for wider end-of-life care education, health and social care staff, and identification and assessment of carers.