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Science News Archive November 2024


Page 20 of 44

Cause of the yo-yo effect deciphered

A study by ETH Zurich researchers has found that epigenetic markers in fat cells can lead to the yo-yo effect, where weight drops but returns. The researchers also found evidence of this mechanism in humans, suggesting that obesity can leave a lasting mark on gene expression.

Apple iPhone 17 Pro

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

When hepatitis E viruses attack nerve cells

Hepatitis E viruses can directly infect nerve cells, which are unable to protect themselves due to a low immune response. This discovery may explain the neurological effects of HEV infections.

Enormous cache of rare Earth elements hidden inside coal ash waste

A new study by University of Texas at Austin researchers has found a significant cache of rare Earth elements hidden inside US coal ash waste. The study estimates that there could be 11 million tons of accessible rare earth elements in the US coal ash supply, which is nearly 8 times the current domestic reserves.

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.

New study shows how social bonds help tool-using monkeys learn new skills

A new study at Durham University found that social tolerance enables social learning in wild bearded capuchin monkeys, leading to the transmission of skills and traditions. The research showed that individuals with strong social tolerance were more likely to learn from others and share information about solving complex tasks.

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.

This year’s dazzling aurora produced a spectacular display… of citizen science

The unusual magenta color of this year's aurora over Japan was discovered through a massive citizen science effort, which collected data from over 775 grassroots submissions. The researchers found that the preheating of the atmosphere due to solar activity, combined with high-altitude ionized molecular nitrogen, created a unique optica...

How humans evolved to be ‘energetically unique’

A new Harvard study finds humans possess higher metabolic rates than primates and apes, allowing for bigger brains, longer lifespan, and increased reproduction. Humans have 'escaped a tradeoff' between resting and active metabolism due to unique sweating ability.

Zerlasiran—A small-interfering RNA targeting lipoprotein(a)

Zerlasiran, a small-interfering RNA targeting hepatic synthesis of apolipoprotein(a), significantly reduced time-averaged lipoprotein(a) concentrations by over 80% during 36 weeks of treatment. This finding has potential implications for the treatment of atherosclerotic cardiovascular disease.

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.

Plastic bag bans have lingering impacts, even after repeals

A study by University of California - Riverside found that banning free plastic bags for groceries resulted in customers purchasing more plastic bags, despite the policy's goal to reduce waste. The behaviors spurred by the ban lingered even after the rules were repealed, with some impacts not beneficial to the environment.

Can podcasts create healthier habits?

Researchers found that podcasts significantly improved health knowledge, increased exercise levels, and boosted healthy eating habits. Engagement with health-related podcasts was generally high, suggesting they could be an effective medium for health information and behavior change interventions.

New study investigates insecticide contamination in Minnesota’s water

A new study by the University of Minnesota and the Minnesota Department of Natural Resources found high concentrations of neonicotinoids in some ground and surface water sources, including natural springs. This contamination can affect drinking water quality and organisms in streams fed by those springs.

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.

Nanoplastics can impair the effect of antibiotics

A study from Umea University reveals that nanoplastics can absorb and accumulate antibiotics, reducing their targeted effect and risking the emergence of antibiotic-resistant bacteria. The researchers found a strong bond between nylon nanoplastics and tetracycline, a common broad-spectrum antibiotic.

Achalasia and esophageal cancer: A case report and literature review

Achalasia is associated with an increased risk of esophageal squamous cell carcinoma, highlighting the need for close surveillance in high-risk patients. Chronic inflammation and food stasis can lead to malignant transformation, emphasizing the importance of timely intervention.

Political shadows cast by the Antarctic curtain

A Kobe University research team analyzes the political repercussions of a proposed underwater curtain to protect Antarctic ice sheets from melting. The team highlights concerns around authority, sovereignty, and security, emphasizing the need for international cooperation to avoid conflict.

Wang studying effects of micronutrient supplementation

Dongqing Wang, a George Mason University professor, is investigating the effects of micronutrient supplementation on maternal and infant health. His project aims to analyze existing data from a randomized controlled trial in Tanzania to determine the impact of multiple micronutrient supplementation on lactating women and infants.

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.

Mitochondrial encephalopathy caused by a new biallelic repeat expansion

A new study identifies a biallelic GGGCC repeat expansion causing NAXE-related mitochondrial encephalopathy in a three-year-old patient. The team found the expansion was due to maternal chromosome 1 uniparental disomy, leading to transcriptional suppression and severe mitochondrial dysfunction.

Updated model reduces liver transplant disparities for women

The updated Model for End-Stage Liver Disease (MELD) 3.0 has reduced liver transplant disparities for women, increasing their chances of being added to the waitlist, receiving a transplant, and staying on it. Women now have equalized rates with men in terms of waitlist mortality and transplant rates after the policy change.

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.

Study to explore antibiotics role in childhood asthma

A new study from Vanderbilt University Medical Center explores the role of antibiotics in childhood asthma development. Researchers aim to identify a critical window for intervention and develop microbiome-based therapeutics to prevent asthma onset in children exposed to antibiotics early in life.

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.

Weisburd receives funding for safer stronger together initiative

David Weisburd evaluates the impact of the Safer Stronger Together (SST) Initiative, a place-based social intervention aimed at youth and their families in Maryland. The SST Initiative seeks to reduce racial and economic inequalities among young people and their families by re-engineering government agency services.

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.

Alcohol-related deaths in the US more than double from 1999 to 2020

Researchers found that alcohol-related deaths in the US surged dramatically between 1999 and 2020, with a nearly fourfold increase in those aged 25-34. The study highlights significant gender differences and regional disparities, emphasizing the need for targeted interventions to combat the growing US alcohol mortality epidemic.

Effortless robot movements

Researchers at TUM developed a new tool that makes intrinsic dynamics calculable, enabling robots like BERT to mimic natural oscillation patterns. The method results in effortless and dynamic movement, surpassing conventional movement patterns.

How can brands address growing consumer scepticism?

A new study suggests that brands can address growing consumer scepticism by being transparent about topics impacting consumers, such as cost-of-living pressures. Brands must communicate openly, clearly, and evidence-based information to build trust and credibility.

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.

Reducing bias in radiology with topological data analysis

A new approach using topological data analysis (TDA) enhances the reliability and reduces bias in AI systems used for medical diagnosis in radiology. TDA captures intricate features and provides a holistic view of medical images, leading to more accurate diagnoses and equitable patient care.

A single cell’s siesta

Researchers found that the cell's chloroplast shrinks by 40% in bright white light, minimizing damage. The structure responsible is a network of thin filaments that can contract and expand in all directions.

Large cohort study builds pregnancy health atlas for phenotype-omics research

The large cohort study identified common pregnancy complications, such as premature rupture of membranes and gestational diabetes mellitus, affecting 18.29% and 16.74% of participants, respectively. High-risk groups were also identified, including women with assisted reproductive technology and those aged 35 and older.

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.

Despite federal warnings, kratom still readily available across US

A recent study found kratom to be widely available across the US, with over 72% of tobacco specialty stores selling the substance. Researchers attribute this ease of access as a major risk factor for substance use and highlight concerns about kratom's potential health risks.

Crystalizing our comprehension of malaria

Scientists have discovered the atomic structure of hemozoin crystals produced by malaria parasites, which could lead to improved antimalarial medications. This breakthrough is crucial for medical applications as existing structural knowledge was largely based on synthetic crystals.

Meta Quest 3 512GB

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

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.