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Science News Archive 2024


Page 168 of 484

Upcycling excess carbon dioxide with tiny microbes

Researchers rewired a microbe to convert CO2 into mevalonate, a valuable pharmaceutical building block. The newly engineered microbes produced significantly more mevalonate than control strains, offering a promising solution for carbon capture and utilization.

Novel chemical tool aims to streamline drug-making process

A team of chemists has developed a novel tool to streamline the drug-making process, enabling researchers to create new molecules quickly and efficiently. The discovery of stable nickel complexes can help reduce the time to market for life-saving medicines while increasing drug efficacy and reducing side effects.

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.

Meta Quest 3 512GB

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

Semaglutide improves heart health outcomes beyond weight loss

New studies show semaglutide reduces all-cause death, CV death, and non-CV death in people with overweight or obesity and established cardiovascular disease. The medication also improves heart failure symptoms and physical limitations in those with obesity-related HFpEF, regardless of sex.

Apple iPhone 17 Pro

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

NASA, ESA missions help scientists uncover how solar wind gets energy

Scientists have discovered how the Sun's supersonic solar wind receives energy, thanks to a lucky alignment of NASA and ESA spacecraft. The fastest solar winds are powered by magnetic switchbacks, which deposit enough energy to account for heating and acceleration in the solar wind.

Cancer tool “unable to accurately predict” toxicity levels in UK patients

A UK study found that a widely-used cancer treatment tool is unable to accurately predict toxicity levels in older adults. The Cancer Aging Research Group (CARG) score was developed to estimate severe chemotherapy-related side effects but failed to provide reliable results in this population. In contrast, frailty screening tools showed...

Quantifying the economic impacts of climate change

A study by Weikai Li aims to quantify the economic impacts of climate change on business and financial markets in Singapore. The research explores how carbon pricing policies affect firm profitability and market value, as well as their potential to support a low-carbon economy through increased costs, government revenue recycling, and ...

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.

What is the impact of segment disclosure on equity-based compensation?

The study reveals that segment disclosure and reporting increase the implicit motivation for managers to act in shareholders' interests. Equity-based compensation incentives decrease following the introduction of SFAS 131, with a more pronounced effect in volatile market environments and firms with weak operations monitoring.

Non-Hermitian skin effect in all dimensions tied to point-gap topology

Researchers found a way to systematically account for energy spectra and skin effects across various lattice geometries using virtual gauge transformations. This approach reveals how different geometries correspond to different momentum bases, allowing for the manipulation of skin modes through lattice tailoring.

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.

COVID-19 vaccination mandates boosted uptake among health care workers

A new study from Tulane University found that state-level COVID-19 vaccination mandates increased vaccine rates among health care workers by 3-4%, with improvements seen in states that required vaccinations without opt-outs. The policy was particularly effective among health care workers between the ages of 25-49 years.

How hope beats mindfulness when times are tough

A recent study by North Carolina State University suggests that hope is more beneficial than mindfulness in helping people manage stress and stay professionally engaged. The study found that hopeful individuals experience less distress, are more engaged with their work, and feel less tension related to their professional lives.

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.

AI tool maps out cell metabolism with precision

A team of researchers created RENAISSANCE, an AI-based tool that simplifies the creation of kinetic models to accurately depict metabolic states. The tool successfully generated models that matched experimentally observed metabolic behaviors in Escherichia coli, simulating how the bacteria would adjust their metabolism over time.

Metal foil as 3D scanner for electron beam

Researchers at Helmholtz-Zentrum Dresden-Rossendorf have developed a novel method to measure the structure of microbunched plasma-wakefield-accelerated electron beams using metal foil. This technique enables precise control over the electron bunches, leading to brighter and more stable light in free-electron lasers.

New ESC Hypertension Guidelines recommend intensified BP targets and introduce a novel elevated blood pressure category to better identify people at risk for heart attack and stroke

The new guidelines recommend intensified BP targets, introducing a novel elevated blood pressure category to identify individuals at risk for cardiovascular disease. The updated recommendations also focus on 'frailty' rather than chronological age and introduce a new systolic BP treatment target range of 120-129 mmHg.

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.

Study combines data, molecular simulations to accelerate drug discovery

Researchers have developed a new method to increase speed and success rates in drug discovery by combining data from the Library of Integrated Network-based Cellular Signatures with targeted docking simulations. This approach can accelerate the drug research process, identifying potentially effective compounds more efficiently.

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.

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.

It’s worth challenging that troubling medical bill, study finds

A new US study found that most people who challenged problematic medical bills received financial relief, including 74% of those who reported a billing error and 76% of those who sought financial assistance. However, those who may struggle most with medical debt, such as those without college degrees or lower financial literacy, were l...

Labor day crowds temporarily impact local streams, research shows

Researchers found that recreational activities like tubing and swimming temporarily introduce chemicals and microscopic organisms into local waterways. The study suggests that these changes can have significant impacts on plants and animals along the way, even if they are short-lived.

What’s in the microbiome of the foods we eat?

Researchers have developed a comprehensive database of the 'food microbiome' by sequencing metagenomes from 2,533 foods, identifying 10,899 food-associated microbes. The study shows that these microbes can influence human health and provide insights into how to improve food quality, safety, and authenticity.

Interdisciplinary Rice graduate program earns $3 million NSF grant

A new graduate program at Rice University aims to equip students with skills needed to serve as leaders in quantum technology innovation. The program will provide interdisciplinary training to 30 students, combining expertise from quantum physics, optics, and nanotechnology.

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.

Muslims felt excluded from health policies during COVID-19

A new study by the University of Leeds has found that British Muslims faced significant challenges accessing palliative care services during the COVID-19 pandemic. The research highlighted the need for culturally aware healthcare policies and greater inclusion of minority groups in decision-making processes to address these inequities.

Microbes in orbit: Understanding spaceflight’s impact on gut health

A McGill-led study found significant shifts in certain gut bacteria corresponding to changes in liver and intestinal genes, suggesting spaceflight may suppress the immune system and alter metabolism. The research could help ensure the success of future space missions and medical advancements on Earth.

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.

Dancing galaxies make a monster at the cosmic dawn

A team of researchers observed two galaxies merging 12.8 billion years ago, forming a massive object that triggered rapid growth of supermassive black holes and starburst activity. The discovery provides new insights into galaxy/black hole formation in the early Universe.

Uncovering the secret communication of monkeys: They have names!

Researchers found that marmoset monkeys use 'phee-calls' to address specific individuals, discerning when a call was directed at them and responding more accurately. This ability is similar to human naming and may have evolved to help marmosets stay connected in their dense rainforest habitat.

Wavelength-independent and photoinitiator-free laser 3D nanolithography

Researchers develop wavelength-independent 3D polymerisation using low peak power laser oscillators, enabling rapid and efficient printing of non-photosensitized materials. The method uses high pulse repetition rate oscillators to achieve localized photo-crosslinking and controlled energy deposition per focal volume.

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.

How a salt giant radically reshaped Mediterranean marine biodiversity

A new study quantifies the impact of the Messinian Salinity Crisis on Mediterranean marine biodiversity, revealing a drastic reduction in species, with only 86 of 779 endemic species surviving. The crisis took over 1.7 million years to recover from, highlighting the long-term effects of ecological crises on biodiversity.

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.

Several advantages when medical abortion is started at home

A study published in The Lancet found that starting medical abortion at home is as safe as in a hospital, with 71% of participants able to be treated as day patients. The procedure also promotes patient autonomy and can reduce healthcare costs.

Mechanisms of how morphine relieves pain mapped out

A study at Karolinska Institutet reveals that morphine activates a 'morphine ensemble' of neurons in the brain, leading to pain relief. This understanding may help develop new strategies to treat pain without triggering addiction and overdose.