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Science News Archive March 2023


Page 5 of 44

The shape of your heart matters

Researchers from the Smidt Heart Institute found that individuals with spherical hearts are 31% more likely to develop atrial fibrillation and 24% more likely to develop cardiomyopathy. The study identified four genes associated with cardiomyopathy and a greater risk of developing atrial fibrillation.

Researchers identify how steroids benefit severe COVID-19 patients

Researchers found that dexamethasone prevents cytokine storms in severe COVID-19 patients by inhibiting ion channels and reducing immune cell inflammation. This led to improved lung function and reduced mortality rates. The study's findings provide new insights into the mechanisms of steroid treatment in severe COVID-19.

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.

Australians paying $6 billion for unused apartment parking

A new study found that 20% of households have too little allocated parking and 13.4% of surveyed households do not own a car but are still allocated a parking space. Experts are calling for planning policy to 'unbundle' parking spaces from apartments to reduce housing costs and alleviate street parking woes.

Rainbow trout subspecies newly named

A new subspecies of rainbow trout, O. mykiss calisulat, has been identified after genetic analysis revealed its distinctiveness. This discovery is significant as it marks the first newly identified Pacific trout subspecies since 2008 and the youngest rainbow trout subspecies by more than 100 years.

Apple iPhone 17 Pro

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

Scientists discover hidden crab diversity among coral reefs

A new study reveals a surprising exception to the rule of uniformity across the Indo-West Pacific coral reef ecosystem. Chlorodielline crabs with overlapping ranges have uniquely shaped gonopods, but otherwise appear identical, suggesting genetic divergence in different geographic areas.

Senescence and extracellular vesicles: novel partners in vascular amyloidosis

Research by Whitehead et al. reveals that cellular senescence triggers amyloidosis through changes in small extracellular vesicles and extracellular matrix composition. The study provides novel insights into the formation of aortic medial amyloid and offers potential therapeutic targets for mitigating its effects.

Stereotypes about senior employees lead to premature retirements

A new study by University of Copenhagen researchers found that stereotypes about senior employees influence their retirement decisions, leading to premature retirements. Senior employees often feel uncertain about their status and worry about being perceived as inflexible or unproductive.

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.

New algorithm keeps drones from colliding in midair

Researchers developed a robust multiagent trajectory-planner that enables drones to generate collision-free trajectories even with delayed communications. The system achieved a 100% success rate in simulations and flight experiments, guaranteeing safe group operations.

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.

How cosmic winds transform galactic environments

Researchers modeled how elements move across star-forming regions, finding that galactic winds influence temperature and metal distribution. The study's findings suggest a non-spherical wind pattern, contrary to previous spherical models.

Deep ocean currents around Antarctica headed for collapse, study finds

A new study predicts that Antarctic deep ocean currents will slow by over 40% in the next 30 years and may collapse, with significant impacts on climate and marine ecosystems. The decline of this circulation could stagnate the bottom of the oceans and trap nutrients, affecting marine life for centuries to come.

Can AI predict how you'll vote in the next election?

A recent study from Brigham Young University proves that artificial intelligence can respond to complex survey questions just like a real human. The researchers found high correspondence between how AI and humans voted in 2012, 2016, and 2020 U.S. presidential elections.

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.

FDA-approved drug shows promise in lab models for blinding childhood disease

A team from the National Eye Institute identified Reserpine as a compound that keeps light-sensitive photoreceptors alive in three models of Leber congenital amaurosis type 10, an inherited retinal ciliopathy disease. The study suggests a potential treatment strategy for addressing retinal ciliopathies caused by multiple genes.

Dissecting the circadian clock in real time

Researchers at UC San Diego and UC Merced developed a high-throughput method to study the circadian clock in real time, shedding light on its internal functions. The study found that kinases play a crucial role in relaying the circadian rhythm from the core oscillator to gene expression.

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.

Pathogenic genetic variations boost the risk of H. pylori-related stomach cancer

A large case-control study identified nine genes associated with stomach cancer risk and found that pathogenic genetic variations exacerbate the damage caused by H. pylori infection, significantly increasing the risk of gastric cancer. The study suggests that screening for pathogenic variants can help prioritize interventions.

Research Brief: Study finds evidence of resistance to COVID-19 drugs

A study published in Science Advances reveals that viral SARS-CoV-2 variants are developing resistance to protease inhibitors, including Paxlovid. Researchers warn that this could undermine the effectiveness of antiviral treatments and highlight the need for next-generation compounds with different resistance profiles.

Association between acute alcohol use, firearm-involved suicide

A study found that as alcohol consumption increased, the probability of a firearm-involved suicide also rose until a certain blood alcohol concentration was reached. Interventions focusing on heavy alcohol use may help reduce suicide mortality rates, particularly those involving firearms.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

New chip design to provide greatest precision in memory to date

Researchers at USC have developed a new type of chip with the best memory of any chip thus far for edge AI. The chip uses metal oxide memristors to store information in a compact and stable way, eliminating the von Neumann bottleneck in current computing systems.

Ancient magma reveals signs of life

Researchers at Heidelberg University developed new methods to detect biogenic carbon in zircon minerals, which can preserve traces of life hundreds of millions of years old. The study's findings open up new possibilities for research into the Earth's early period, where fossils and sediments are scarce.

What can we do about all the plastic waste?

Scientists at US national laboratories are developing new chemical recycling methods to make sustainable, high-quality plastic materials. They aim to transform plastic waste into valuable chemicals and reduce plastic pollution, paving the way for a circular economy.

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.

Nature favors all creatures great and small over medium size

A survey of Earth's organisms reveals that biomass is concentrated in the largest and smallest sizes, with a pattern favoring large and small organisms across all species. The study found that land-based organisms exhibit this pattern more pronouncedly than marine environments.

Chinese scientists solve mystery of cubic ice

Researchers used in-situ cryogenic TEM imaging to directly observe formation of pure-phase ice I c on low-temperature substrates. The study resolves the long-standing debate about cubic ice's existence, with implications for materials science, geology, and climate science.

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.

Scientists create mouse avatars to treat multiple myeloma

Researchers have generated artificial mice that mimic the genetic and immunological diversity of multiple myeloma in patients, allowing for more effective and personalized treatments. The mouse avatars can also predict treatment outcomes and identify correlations between genetic traits and response to preclinical therapies.

Immune Checkpoint Inhibitor Antitumor Response: Decoding Molecular Mechanisms

Researchers found that immune checkpoint inhibitors increase the mobilization of overlapping tumor-reactive CD8+ T cells, leading to antitumor effects. The diverse subset of T-cell clones plays a key role in this response, with polyclonal clones exhibiting more proliferative potential and contributing to effective treatment outcomes.

Chemists design new molecule, with oxygen as the star of the show

Researchers at Colorado State University have created a synthetic molecule with an asymmetric oxygen atom that remains stable and nonreactive. This feat is significant because chiral molecules can have drastically different properties and are crucial in fields like drug discovery and materials engineering.

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.

Mimicking biological enzymes may be key to hydrogen fuel production

Scientists designed a synthetic molecule that mimics the hydrogen gas-producing chemical reaction performed by nickel-iron hydrogenase enzyme. The new compound efficiently produces hydrogen using earth-abundant metals, potentially replacing platinum metal in industrial electrolysis.

‘UC Quits’ project helps patients stop smoking

A new study by UC Health shows that electronic referrals to the California quitline can help patients give up tobacco. The study found that patients referred by healthcare providers had similar quit rates as those who called the quitline seeking help.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Fomepizole helps overcome antibiotic-resistant pneumonia in mice

Researchers discovered that fomepizole, an FDA-approved drug, can significantly reduce disease in mice infected with multidrug-resistant Streptococcus pneumoniae. The combination of fomepizole and erythromycin reduced bacterial burdens by 95% in the lungs and up to 700-fold in other organs.

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.

New GSA Bulletin articles published online ahead of print

Recent GSA Bulletin articles investigate the formation of N-S trending mountain ranges in Tibet and the geochemical signature of a deeply subducted slab. The studies reveal insights into surface uplift and E-W extension, challenging common views on their initiation.

When it comes to neural networks learning motion, it’s all relative

Researchers developed a deep learning approach to recognize and predict motion using vector-based relative change in position. The method, VecNet+LSTM, scored higher than other frameworks in recognizing motion and predicting future movements. This study has implications for machine learning in video analysis and artificial intelligence.

Fluke 87V Industrial Digital Multimeter

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

Transportation noise increases risk for suicides

Researchers found exposure to transportation noise at home was associated with a higher risk of death by suicide, with robust results even after adjusting for air pollution and socio-economic indicators. Noise increases mental load, contributing to mental disorders or worsening preexisting conditions.

Scientists make a breakthrough in the cellular recognition of microplastics

Researchers at Ritsumeikan University have made a breakthrough in understanding how macrophages recognize microplastics, discovering an interaction between aromatic rings that drives this process. The study suggests that while microplastics may not induce acute inflammation, chronic exposure could lead to autoimmune diseases.

Feed them or lose them

Researchers found that a group of amino acids influence brain development, leading to severe effects after birth if nerve cells are starved. The study showed that mice with low levels of essential amino acids developed microcephaly and exhibited long-term behavioral abnormalities similar to those in autism spectrum disorders.

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.