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Science News Archive March 2020


Page 29 of 41

The ink of the future in printed electronics

Researchers at Linköping University have created an organic material with superb conductivity by mixing two polymers, eliminating the need for doping. This breakthrough could lead to improved efficiency in organic solar cells and bioelectronic applications.

Mayo Clinic-led study links obesity with pancreatitis

A Mayo Clinic-led study reveals that rapid fat degradation occurs in acute pancreatitis, triggered by PNLIP enzyme, and worsens disease outcomes. Obesity exacerbates pancreatitis risk, while unsaturated fats increase organ failure risk.

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.

Turbulent convection at the heart of stellar activity

Researchers analyzed data from 224 stars to understand the interplay between rotation and convection in determining a star's activity level. The study found that turbulent convection plays a crucial role in explaining the behavior of main-sequence and evolved stars, contradicting previous models.

Research reveals collective dynamics of active matter systems

The study describes experiments using a three-dimensional active nematic, revealing dominant loop structures that emerge spontaneously and expand before self-annihilating. These loops differ from defects in two-dimensional systems, having no charge but still related to them.

Commentary on an approach to Indigenous homelessness

A new guideline aims to address Indigenous homelessness through four broad protocols: situating oneself, visiting, hospitality, and treating others with respect. The guidelines emphasize the importance of inter-relationality and community-based approaches to support Indigenous peoples experiencing homelessness.

Apple iPhone 17 Pro

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

A broad look at plant-environment interactions

Researchers from diverse fields collaborate to understand plant-environment interactions, bridging paleoecology, physiology, ecology, genetics, and more. Key findings reveal how plants leverage their genomes to adapt to abiotic stressors and interact with microbes.

Circulatory failure is predictable

A method combining vital signs and medical data predicts circulatory failure in ICU patients several hours in advance, enabling early intervention. The approach uses just 20 relevant variables to achieve 90% accuracy and cuts alarm systems by 90%. Further development is needed for clinical trial testing.

'Primitive' stem cells shown to regenerate blood vessels in the eye

Scientists have successfully turned back the biological hands of time by coaxing adult human cells to revert to a primitive state, unlocking their potential to replace and repair damaged blood vessels in the retina. The findings advance regenerative medicine techniques aimed at reversing diabetic retinopathy.

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.

Show me the methane

A team of researchers from UC Santa Barbara has developed a system using hyperspectral imaging and machine learning to detect methane leaks, achieving an 87% success rate. This method can differentiate between methane and other hydrocarbons, pinpointing the location of emissions.

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.

Influenza and Parkinson's disease

Researchers discovered that influenza H1N1 blocks protein degradation pathways, inducing alpha-synuclein and DISC1 protein aggregates. Increased expression levels of these proteins were found in murine brains after H1N1 infection.

Is your coffee contributing to malaria risk?

A study by University of Sydney and University of São Paulo found that 20% of malaria risk in deforestation hotspots is driven by international trade of goods like coffee, timber, and palm oil. The research calls for consumers to be more mindful of their consumption and procurement, supporting sustainable land ownership in developing c...

Improving the collection of birth and death data worldwide

Countries can improve health outcomes by collecting accurate birth and death data, with training strategies showing a 28-43% reduction in incorrect certificates. Automated verbal autopsy methods also produce reliable cause of death information.

Food prices after a hard Brexit could increase by £50 per week

Researchers at the University of Warwick estimate that a hard Brexit could lead to an increase in food prices for families, with some households facing rises of up to £20.98 per week. The study found that meat, dairy, and jams would be most affected by the changes.

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.

NIH study finds lower concentration of PrEP drug in pregnant young women

A recent NIH-funded study found that pregnant African adolescent girls and young women have significantly lower concentrations of the PrEP drug tenofovir compared to non-pregnant individuals. The study suggests that daily PrEP adherence is crucial for this population, despite potential physiological changes during pregnancy.

Discovery points to origin of mysterious ultraviolet radiation

A new study has found that the energy source behind mysterious ultraviolet radiation is likely star-forming galaxies, which are producing gigantic clouds of hydrogen gas that emit Lyman-alpha light. The study's findings suggest that infalling hydrogen gas originates in the intergalactic medium rather than the galaxy itself.

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.

Squatting or kneeling may have health benefits

A new study suggests that squatting and kneeling may be important resting positions in human evolution, as they involve higher levels of muscle activity. This could reduce the health risks associated with sedentary behavior, particularly cardiovascular disease.

An online tool to aid in the advance care planning process shows promise

A self-paced online program guides adult cancer patients and older adults through advance care planning, improving their knowledge, decision-making skills, and readiness. Participants took modest action to begin planning, suggesting that such tools could support advance care planning initiatives in outpatient settings.

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.

Robots that admit mistakes foster better conversation in humans

A Yale University study found that robots expressing vulnerability improve human-to-human communication, leading to more positive group experiences. Humans on teams with vulnerable robots spent twice as much time talking to each other and reported enjoying the experience more.

Predicting appropriate opioid prescriptions post-cesarean delivery

A new study from the University of Colorado Anschutz Medical Campus found that patients who took fewer opioids pre-discharge also reported less opioid intake in the following weeks. The study suggests tailoring opioid prescriptions to individual patient needs, balancing pain management and reducing leftover pills.

How killer whales influence bowhead whale behavior

Bowhead whales alter their behavior when killer whales are present, opting for areas with dense sea ice and shallow water near shorelines. This shift may come at the cost of reduced foraging opportunities in phytoplankton-rich open water.

Prognosis and survival of older dizzy patients in primary care

A 10-year prospective cohort study found that older patients with vertigo had significantly lower mortality rates than those with presyncope or cardiovascular disease-related dizziness. Many patients still alive at follow-up reported substantial dizziness-related impairment, regardless of subtype or cause.

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.

Two weeks after sports-related concussion, most patients have not recovered

A study in the Clinical Journal of Sport Medicine reports that most patients with sports-related mild traumatic brain injury (mTBI) do not achieve clinical recovery within two weeks after injury. Recovery times varied by age and presence of concussion modifiers, highlighting the importance of early access to care.

Sensory information underpins abstract knowledge

Researchers found that brain regions involved in taste also activate when thinking about food origin. The study used functional MRI to monitor brain activity while participants answered questions about words from different categories.

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.

Light-induced magnetism modulation

Researchers demonstrate a method to modulate magnetic information using visible light, reducing magnetization in a ferromagnetic film. This technique could enable rapid digital storage and retrieval using room temperature illumination.

New high-cost HIV prevention drug: 'Better' isn't worth it

A new HIV prevention drug, emtricitabine/tenofovir alafenamide (F/TAF), has been met with criticism for its high cost and limited benefits compared to generic alternatives. The study found that F/TAF is not cost-effective and may even cause more avoidable HIV transmissions than it prevents.

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.

The Protein Society announces DiversifyProteinScience

The Protein Society has launched DiversifyProteinScience, a web portal aiming to improve exposure for traditionally underrepresented groups in protein science. Users can upload demographic and professional data to find diverse protein scientists.

Clinical trial investigates gabapentin for alcohol use disorder

A randomized clinical trial found that gabapentin, commonly used for nerve pain, was effective in reducing symptoms of alcohol use disorder. The study suggests that this medication may be beneficial for millions of Americans struggling with problem drinking and a history of withdrawal symptoms.

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.

Bacteria potentially involved in the development of type 2 diabetes

A study by Université Laval researchers suggests that bacteria may play a role in the development of type 2 diabetes in individuals with severe obesity. The researchers found distinct bacterial signatures in diabetics' blood, liver, and fat deposits compared to non-diabetics.

Protecting DNA origami for anti-cancer drug delivery

Researchers develop peptoid-coated DNA origami that maintains structural integrity and functionality in different physiological environments, enabling potential use in delivering anti-cancer drugs and proteins. The method involves designing peptoids to stabilize DNA origami, with the brush-type architecture achieving optimal protection.

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.

Groovy key to nanotubes in 2D

Researchers found that the alignment of nanotubes in 2D films corresponds to parallel, submicroscopic grooves on the paper. The grooves likely form during the factory production process, and removing them allows for control over alignment direction.

Head evolution in turtle ants

Researchers studied turtle ants using a species-level comparative analysis, finding that the evolution of head shape and size is reversible and decoupled within soldier and queen castes. This suggests that flexible adaptive evolution at the species level facilitates adaptive diversification of derived social lineages.

Researchers map protein motion

Cornell structural biologists develop a new method to capture collective protein motion, revealing subtle breathing motions that direct biochemical function. The technique adds valuable information to regular crystallography experiments.

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.

Water splitting advance holds promise for affordable renewable energy

A collaborative research team has developed a system that uses less expensive materials to split water into hydrogen and oxygen, comparable to the current most popular system but without precious metals. This advance holds promise for affordable renewable energy storage and could increase hydrogen production rates nearly tenfold.

Active learning and educational equity

Active learning in STEM courses narrows achievement gaps by 33% and 45% compared to traditional lecturing. This evidence-based approach could reduce inequity in higher education.

March/April 2020 Annals of Family Medicine tip sheet

A study found that a collaborative diabetes management tool, FAST, improved glycemic control in fasting adults with type 2 diabetes. The tool empowered diabetic patients with Ramadan-specific educational materials and encouraged active self-monitoring of blood glucose.

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.