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Science News Archive November 2019


Page 32 of 41

What your friends' brains look like when they think of you

Researchers found that the brain activity patterns of individuals and their close friends show remarkable similarities when evaluating personality traits. This study utilized a round-robin design to analyze brain activity while participants evaluated themselves and others.

Why beta-blockers cause skin inflammation

Researchers found that beta-blockers can cause psoriasis by interfering with the breakdown of defective cell components and disrupting autophagy. This leads to the release of inflammatory messengers, resulting in skin problems. The study suggests that fat-soluble beta-blockers are more likely to cause inflammation.

SDHI pesticides are toxic for human cells

Researchers discovered eight SDHI pesticide molecules harming earthworms, bees, and human cells by blocking succinate dehydrogenase activity. The study found these pesticides induce oxidative stress in human cells, leading to cell death, threatening human health.

Apple iPhone 17 Pro

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

Cervical cancer screening numbers drop off in women 45-65

A study found that cervical cancer screening rates decline among women aged 45-65, particularly those with lower education, rural residency, or lack of insurance. The study highlights the need for increased awareness and access to screenings for vulnerable populations.

Eight tips for promoting men's health

A study by UBC professor John Oliffe reveals eight lessons learnt from successful community-based men's health promotion programs. These programs recognize social forces that uniquely affect men, such as cultural activities and elder-led circles, to improve mental and physical well-being.

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.

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.

Program improves short term nutritional outcomes in a conflict zone

A multidisciplinary program in Armenia's conflict zone improved childhood nutrition, reducing anemia and increasing minimum dietary diversity. The program, implemented by the Fund for Armenian Relief, also increased breastfeeding duration and reduced reports of children going to sleep hungry.

Where does Parkinson's disease start? In the brain or gut? Or both?

Scientists propose that Parkinson's disease can be divided into two subtypes, with some cases starting in the gut and others in the brain. This hypothesis reconciles discrepant findings from neuropathological literature, suggesting a more complex understanding of the disorder's origins.

New photonic liquid crystals could lead to next-generation displays

Researchers developed a technique to reconfigure blue-phase liquid crystals into stable orthorhombic and tetragonal structures, leading to fast responses suitable for various display applications. The addition of a polymer stabilizes the crystals in a wide temperature range, speeding up switching responses.

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.

Trapping versus dropping atoms expands 'interrogation' to 20 seconds

A new approach to atom interferometers allows for highly sensitive measurements of gravity and could be used in tests of general relativity. The trapped atom design greatly enhances sensitivity and precision over previous iterations, improving the signal-to-noise ratio by over 10,000-fold.

Vaping not worth potential heart risk, researchers say

A new review finds growing evidence that vaping can harm the heart and blood vessels, with particulate matter, metals, and flavorings contributing to cardiovascular problems. The study highlights a need for larger-scale research on e-cigarette use and regulation to ensure transparency about ingredients.

New molecule reduces the aggressiveness of pediatric cancer

Researchers at HUG-CELL identified a microRNA inhibitor that reduces tumor size and improves survival in mice with aggressive brain tumors. The synthetic miR-367 inhibitor prevents the regulation of proteins involved in cell growth, leading to an attenuation of tumor aggressiveness.

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.

Stanford researchers lay out first genetic history of Rome

The study reveals at least two major migrations into Rome, as well as several smaller but significant population shifts, over the last few thousand years. The genetic data show that immigrants from the Near East, Europe, and North Africa pulled up their roots and moved to Rome, significantly changing its face.

Sugar-coating proteins can help understand brain disease

Scientists at the University of Dundee have created a method to permanently attach a small sugar molecule called O-GlcNAc to proteins in human cells. This allows them to investigate its role in neurological diseases such as Alzheimer's and Parkinson's, which are thought to be linked to O-GlcNAc disruption.

Plants and fungi together could slow climate change

A new study reveals that human impacts have greatly reduced plant-fungus symbioses, which play a key role in sequestering carbon in soils. Restoring these ecosystems could help alleviate anthropogenic soil carbon losses and ameliorate increases in atmospheric greenhouse gases.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Research brief: Origin of deadly wheat pathogen revealed

Researchers analyzed the genome of Ug99 and found that it emerged as a result of somatic hybridization between two different rust strains, creating a unique hybrid with increased virulence. This discovery provides new insights into how Ug99 was able to threaten wheat crops across the world.

Voters agree with polls that favor their candidates

A new study by researchers at the University of Michigan and University of Pennsylvania indicates that individuals disproportionately find polls more credible when their preferred candidate is leading. The study suggests that emphasizing polls' methodological quality can lessen voters' biases, potentially benefiting democracy.

Meta Quest 3 512GB

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

Study shows fewer American Indians getting heart disease

A study by Washington State University researchers shows a decline in new cases of heart disease among American Indians over a 25-year period. Fewer Native men are dying from heart-disease-related events, while overall prevalence of heart disease has decreased more in women.

Galactic fountains and carousels: order emerging from chaos

A new cosmological simulation, TNG50, has revealed that the geometry of cosmic gas flows determines galaxies' structures. The study finds that galaxies form into disc-like shapes with rapid rotation, eventually becoming spiral galaxies through a process known as galactic fountains.

Researchers take flight with unmanned aerial vehicles

A team of researchers developed a way for multiple UAVs to form intelligent teams while maintaining individual control, enabling more efficient and adaptable flight operations. The technique uses software-in-the-loop testing and simulation environments to optimize UAV performance in varying environmental conditions.

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.

Learning to stop cancer at its roots

Researchers identify a potential target for eliminating leukemia stem cells using vitamin K3, which stabilizes the DYRK2 enzyme. This approach could lead to treatment-free remissions and improved patient outcomes.

Self-cannibalizing mitochondria may set the stage for ALS development

Researchers at Northwestern University have discovered a new phenomenon in the brain where mitochondria self-destruct, leading to early stages of neurodegeneration. The study found that this process occurs selectively in neurons vulnerable to future degeneration, providing a potential target for drug therapies.

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.

Millions of seabirds rely on discarded fish

A new study reveals that North Sea fishing vessels discard over 267,000 tonnes of fish, enough to feed 3.45 million birds, and this figure has declined since 1990. The discarded fish support scavenging bird species, with the largest declines observed in northern fulmars, black-legged kittiwakes, and herring gulls.

UMass Amherst study updates impacts of Plainridge Park Casino

The study found largely positive effects on employment and economy from the casino's operations, with a decrease in visitors but an increase in average gross gaming revenue per patron. Researchers also highlighted the potential risks of increased spending among patrons, which could impact their ability to meet financial obligations.

Personalized gene networks enhance study of disease

Researchers at Penn State College of Medicine developed a new method to model gene interactions and predict changes over time. The idopNetwork can create personalized networks for individual patients, showing complex gene connections and predicting outcomes.

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.

Oxygen-starved tumor cells have survival advantage that promotes cancer spread

Researchers found that oxygen-starved tumor cells have a four times greater probability of becoming viable circulating tumor cells than those under normal oxygen conditions. These cells also have six times the probability of forming lung metastases, suggesting that oxygen starvation enhances their metastatic capabilities.

Ancient roman DNA reveals genetic crossroads of Europe and Mediterranean

A study of 127 ancient individuals' genomes found two major ancestry shifts, one during Neolithic farmers' arrival and another during the Bronze age. The results suggest that by Rome's founding, central Italy's genetics were similar to modern populations, but genetic diversity increased over time.

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.

Scientists take action to prevent sexual harassment and bias

A new paper published in Science outlines best practices for institutions to support women faculty in research careers, including increased accountability for misconduct and promoting transparency. The report aims to address the persistent issue of gender diversity in STEM fields.

Minimizing post-harvest food losses

Researchers from Graz University of Technology develop biological methods to improve storage of apples and sugar beet, reducing losses due to spoilage. The combined use of hot water treatment and biocontrol organisms significantly increases shelf life and reduces post-harvest pathogens.

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.

MSU leads new NSF-funded international nuclear astrophysics research network

Michigan State University (MSU) has led the creation of a new International Research Network for Nuclear Astrophysics (IReNA), funded by the National Science Foundation. IReNA connects expertise in nuclear physics, astrophysics, and related fields to advance understanding of the origin of elements and dense nuclear matter.

Nutrient supplements significantly reduce child deaths

A new study finds that nutrient supplements rich in vitamins, minerals and essential fatty acids significantly reduce child mortality among children 6-24 months old. The supplements may decrease mortality by up to 27 percent in these countries.

Electronic cigarettes are not worth the risk say scientists

Scientists report that electronic cigarettes have adverse effects on the heart and blood vessels due to nicotine's impact on blood pressure and inflammation. The lack of standardised products makes it difficult to study the health effects of e-cigarettes, leading researchers to advise against their use.

Fluke 87V Industrial Digital Multimeter

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