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Science News Archive May 2024


Page 28 of 44

Meet the new insect killing Utah’s fir trees

A new study from the University of Utah documents the current extent of the balsam woolly adelgid infestation in Utah's Wasatch Mountains, with 41% of subalpine fir biomass exposed to damage. By 2100, climate projections predict that 79% of the area will be exposed to some level of damage.

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.

Eco-friendly and affordable battery for low-income countries

Researchers at Linköping University have developed a battery based on zinc and lignin that can be used over 8000 times, retaining its charge for approximately one week. The battery is stable and easily recyclable, making it a promising alternative to lithium-ion batteries.

USTC reveals experimental demonstration of inequivalent mutually unbiased bases

Researchers from USTC demonstrated that inequivalent mutually unbiased bases (MUBs) exhibit distinct performance in quantum state estimation tasks. The experimental results showed a significant difference of 4% between the maximum and minimum fidelity, validating theoretical predictions with an average deviation of 0.16%.

Bitter makes the stomach acidic, but how?

A study by researchers at the Leibniz Institute for Food Systems Biology has uncovered a molecular link between bitter taste receptors and gastric acid release. Bitter substances stimulate parietal cells to secrete protons, leading to acidic stomach conditions. The findings hold promise for innovative treatments of gastric diseases.

Over 20,000 people join search for new dementia treatments

Scientists have recruited over 20,000 volunteers to a resource aimed at accelerating dementia drug development. The cohort will enable healthy individuals with increased genetic risk to participate in clinical trials, allowing researchers to test new treatments before symptoms appear.

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.

Study tallies heatwave deaths over recent decades

A new study published in PLOS Medicine estimates that more than 150,000 people die annually from heatwaves worldwide, with the highest number of deaths in Asia and Europe. The research also reveals regional disparities in heatwave-related mortality, with areas having dry climates and lower-middle incomes experiencing the highest rates.

Kelly receives funding for civil war graffiti preservation

George Mason University's Mills Kelly has received funding to support a digital archive of soldiers' graffiti from the American Civil War. The project will provide access to not only the graffiti but also ancillary archival material, offering unique insights into war in America from 1861-1865.

More than half of Americans give to charity at checkout, survey shows

A survey conducted by Binghamton University found that 53% of Americans give impulsively to charities at checkout, with women, Black respondents, and middle-class individuals under 50 being top-giving demographics. The total raised from checkout campaigns has increased yearly since 2012, but the frequency of donation requests may lead ...

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.

Apple iPhone 17 Pro

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

Soil testing time saver predicts key soil health characteristics

A new study predicts key soil health indicators such as organic matter content and soil texture using standard tests. This can guide fertilization, irrigation, and herbicide decisions, reducing turnaround time by at least half. The models are accurate for fine and medium soils but less so for sandy soils.

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.

Name that odor

Identical odors are processed differently in the brain based on their assigned labels, according to new research. The study found that participants rated odors with different names as more dissimilar than those labeled with the same name.

Kallistatin contributes to the beneficial metabolic effects of weight loss

Researchers found that Kallistatin expression increases after weight loss in individuals with overweight and obesity. Additionally, human Kallistatin improves hepatic insulin sensitivity in diet-induced obese mice. The study suggests that Kallistatin may be an interesting therapeutic target for people with obesity and type 2 diabetes.

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.

Healing faster: Unveiling the future of tissue & organ repair

A team of scientists at the University of Ottawa has developed a novel peptide-based hydrogel that can be used for on-the-spot repair to damaged organs and tissues. The material shows great potential for closing skin wounds, delivering therapeutics to damaged heart muscle, and reshaping and healing injured corneas.

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.

Better nutrition can help firefighters fight cancer

A recent study found that American firefighters recognize the link between diet and cancer risk and are interested in acquiring knowledge and support to change their dietary habits. The study suggests that targeted interventions focusing on individualized support and evidence-based interventions can help mitigate cancer risks among fir...

How do genetically identical water fleas develop into different sexes?

A team at Osaka University uses novel RNA sequencing techniques to reveal the molecular basis for sexual dimorphism in Daphnia, a species of water flea that can change its form and behavior despite being genetically identical. The study identifies genes that switch which isoforms are expressed in a sex-dependent manner.

Tracing the origins of organic matter in Martian sediments

A study published in Nature Geoscience elucidates the discrepancy between Martian and Earth-based organic matter. Researchers found that photodissociation of carbon dioxide in the atmosphere leads to organic matter with depleted carbon-13 content, pointing to an atmospheric process as the main source.

Anti-immigrant political rhetoric and action threaten Latino/a youth

A recent study published in JAMA Pediatrics reveals that harsh anti-immigrant rhetoric and actions can significantly damage parent-child relationships in Latino families, leading to a higher risk of mental health problems for the adolescents. The researchers found that one out of every four kids in US high schools are of Latin American...

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.

New Study: The price tag of phasing-out coal

A new study finds that government plans for coal phase-out around the world include monetary compensation to affected parties, with a total estimated global cost of USD 200 billion. However, if China and India were to adopt similar plans, the cost would skyrocket to over USD 2 trillion. The researchers argue that international finance ...

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.

Getting out of the political echo chamber

Research suggests that presenting a balanced and pragmatic approach can foster respect and increase willingness to engage in discussions with those holding opposing views. By focusing on practical solutions and showing concern for both sides' interests, individuals can break down polarized debates and build bridges.

New method unravels the mystery of slow electrons

Researchers have developed a new method to study slow electrons in solids, allowing for the deciphering of previously inaccessible information. By combining data from fast and slow electrons, scientists can now investigate how electrons release energy in their interaction with materials, crucial for applications such as cancer therapy ...

Meta Quest 3 512GB

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

Telehealth expansion and Medicare beneficiaries’ care quality and access

A cohort study found that high levels of telehealth use were associated with more clinician encounters, ambulatory care-sensitive hospitalizations, and higher healthcare costs. COVID-19 cases still remained high during the study period, suggesting that HSAs with higher telehealth intensity may have better capacity for health services.

It’s time to use TikTok to talk to young people about obesity

The European Association for the Study of Obesity highlights TikTok's potential in addressing childhood obesity. Analysis of Dr Anthos' TikTok account reveals popular videos on obesity medication and stigma combating, with live Q&A sessions generating significant discussion.

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.

Diamond heat

Researchers used supercomputer simulations and machine learning to map diamond's phonon stability boundary in six dimensional strain space. This framework guides the engineering of materials through elastic strain engineering, enabling the development of new devices such as computer chips and quantum sensors.

Transgender preteens report 13 hours of daily screen time

A new study found that transgender preteens reported 13 hours of daily recreational screen time, which was 4.5 hours more than their cisgender peers. The researchers highlight the importance of managing the risks associated with excessive screen use for this vulnerable population.

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.

Why students cheat in online exams

Researchers at the University of Cologne found that students' negative perceptions of online exams can lead to increased cheating behavior, while positive perceptions and moral norms can reduce it. The study suggests that lecturers should consider students' psychological factors when designing courses and exam formats.

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.