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Science News Archive April 2024 - Page 39


Page 39 of 41

Two newly described fossils help solve early mammal mysteries

The discovery of two newly described fossils from the Jurassic period has provided fresh insights into the early evolution of mammals. The fossils, which include well-preserved skeletal remains of shuotheriids, have allowed scientists to solve a longstanding problem in understanding mammalian tooth shape.

SourceAmerican Museum of Natural History·JournalNature·DateApr 3, 2024
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.

When tickling triggers more than just laughter

A study by researchers at University Medical Center Mainz found that tickling can be a form of sexual expression for some adults, satisfying them sexually and even triggering orgasms. Childhood experiences and mutual trust are key factors in this phenomenon.

SourceUniversity Medical Center of the Johannes Gutenberg University Mainz·JournalFrontiers in Psychology·TypeSurvey·DateApr 3, 2024

Pressure determines which embryonic cells become ‘organizers’

Researchers have identified a mechanism by which embryonic cells organize themselves to send signals to surrounding cells. The study found that cells feeling stronger pressure stop growing and start sending signals to organize other cells in the formation of organs.

SourceUniversity of California - Santa Barbara·JournalNature Cell Biology·DateApr 3, 2024

Study finds gunshots in American cities twice as likely at night, potentially disrupting sleep for those in earshot

A new study found that nighttime gunshots are twice as common as daytime gunshots in American cities, potentially disrupting the sleep of nearby residents due to loud sirens. Low-income neighborhoods are disproportionately affected by these sounds, with millions of person nights potentially impacted annually.

SourceMass General Brigham·JournalJournal of General Internal Medicine·DateApr 3, 2024

Enhancing hypoxia-activated prodrug anticancer therapy: amplified active targeting, enhanced drug activation, and increased hypoxic cytotoxicity

Scientists have developed a new universal nanosystem to enhance the efficacy of tirapazamine (TPZ) in cancer treatment. The system combines a tumor microenvironment remodeling agent with a TPZ derivative, resulting in increased hypoxic cytotoxicity and improved targeting ability.

SourceScience China Press·JournalNational Science Review·DateApr 3, 2024
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.

Sunrise to sunset, new window coating blocks heat — not view

A new window coating developed by the University of Notre Dame's Tengfei Luo and his team maintains functionality and efficiency regardless of the sun's position in the sky. The coating reduces air-conditioning cooling costs by more than one-third in hot climates.

SourceUniversity of Notre Dame·JournalCell Reports Physical Science·DateApr 2, 2024

AI can take over key management roles in scientific research

Researchers explore how AI can perform managerial functions such as task division, direction, and motivation, enabling projects to operate at larger scale. The study reveals that AM-enabled projects are often larger and associated with platforms providing shared AI tools.

SourceESMT Berlin·JournalResearch Policy·DateApr 2, 2024

Dogs provide new insights into aging and cognition

Researchers at Eötvös Loránd University discovered that dogs have a 'canine g factor' similar to humans, influencing cognitive abilities and ageing patterns. The study found a global cognitive decline in dogs over two and a half years, with poorer health affecting the rate of decline.

SourceEötvös Loránd University·JournalGeroScience·DateApr 2, 2024
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.

New study finds triple-negative breast cancer tumors with an increase in immune cells have lower risk of recurrence after surgery

A new study suggests that early-stage triple-negative breast cancer (TNBC) patients with high levels of immune cells in their tumors may have a lower risk of recurrence and better survival rates even without chemotherapy. Higher TILs in breast cancer tissue were associated with lower recurrence rates among participants.

SourceMayo Clinic·JournalJAMA·DateApr 2, 2024

A call for global cultural change to save the planet

The review highlights major impediments to sustainability, including industrial capitalism and fossil fuel use. The authors propose a radical shift in values, supported by education, policy, economic incentives, and technological innovation.

SourcePNAS Nexus·JournalPNAS Nexus·DateApr 2, 2024

Majority of people with heart disease consume too much sodium

Among a sample of over 3,100 people with heart disease, 89% consumed more than the recommended daily maximum of 1,500 mg of sodium, and study participants on average consumed more than twice this amount. Limiting sodium intake is crucial for reducing major adverse cardiovascular events.

SourceAmerican College of Cardiology·DateApr 2, 2024

Want to cut US heart risks? Get more people into primary care, study suggests

A new study suggests that most essential care for cardiovascular health happens in general primary care clinics, but many at high risk don't receive it. The study found that large percentages of people with major cardiovascular risk factors didn't see a primary care provider or cardiologist in the past year.

SourceMichigan Medicine - University of Michigan·JournalCirculation Cardiovascular Quality and Outcomes·TypeData/statistical analysis·DateApr 2, 2024
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.

Why don't we stick to home physiotherapy exercises?

Researchers from Ben-Gurion University of the Negev identified six barriers to consistent home physiotherapy exercises in vestibular rehabilitation, including motivation, increased symptoms, and psychosocial factors. The study offers actionable recommendations for clinicians to overcome these barriers and improve treatment outcomes.

SourceBen-Gurion University of the Negev·JournalJournal of Neurologic Physical Therapy·TypeSurvey·DateApr 2, 2024

The math problem that took nearly a century to solve

University of California San Diego researchers Jacques Verstraete and Sam Mattheus solve longstanding Ramsey problem r(4,t), estimating the solution as t^3. This breakthrough provides a cubic function estimate for finding four people who know each other or t people who don't, shedding light on a century-old math puzzle.

SourceUniversity of California - San Diego·JournalAnnals of Mathematics·TypeExperimental study·DateApr 2, 2024
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.

A molecular route to decoding synaptic specificity and nerve cell communication

A team of researchers from Tokyo Institute of Technology identified the molecular mechanisms involved in synaptic communication using Drosophila. They found that Side-IV/Beat-IIb immunoglobulin superfamily protein molecules play a crucial role in inducing synapse formation and regulating preferential signaling among neuron pairs.

SourceTokyo Institute of Technology·JournalCell Reports·TypeExperimental study·DateApr 2, 2024

How and why animals can live alongside humans

A new analysis of grackle feeding behaviour suggests that male grackles are more efficient foragers in uncertain environments, relying on risk-sensitive learning to navigate chaotic settings. This strategy allows them to dominate urban environments and lead their species' invasion.

SourceMax Planck Institute for Evolutionary Anthropology·JournaleLife·DateApr 2, 2024

All-cash home buyers pay 10% less than mortgage buyers

A recent study by the University of California San Diego Rady School of Management found that all-cash home buyers receive a 10% discount compared to mortgage buyers. This 'cash discount' varies depending on location, with some areas experiencing a 17% difference.

SourceUniversity of California - San Diego·JournalThe Journal of Finance·TypeMeta-analysis·DateApr 2, 2024
Apple iPhone 17 Pro

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

A new estimate of U.S. soil organic carbon to improve Earth system models

Scientists have developed a new method to estimate soil organic carbon in the US, providing a more accurate benchmark for policymakers. The study reveals how environmental variables affect soil organic carbon and offers insights into mitigating climate change through sustainable land management practices.

SourceEmory University·JournalJournal of Geophysical Research Biogeosciences·TypeComputational simulation/modeling·DateApr 2, 2024

Heart health declines rapidly after menopause

A study shows post-menopausal women experience a steep rise in heart problems due to reduced estrogen levels, accelerating plaque buildup and cardiovascular risk. Researchers highlight the importance of recognizing early warning signs and increasing screening for coronary artery calcium.

SourceAmerican College of Cardiology·DateApr 2, 2024
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.

Far-UVC light can virtually eliminate airborne virus in an occupied room

A new study shows that far-UVC light can virtually eliminate airborne viruses in occupied work environments, reducing infectious airborne virus levels by 99.8%. The technology has the potential to provide more protection against airborne-disease transmission than ventilation systems, making it a promising solution for indoor spaces.

SourceColumbia University Irving Medical Center·JournalScientific Reports·TypeExperimental study·DateApr 2, 2024

A new 'Deep Learning' model predicts with great accuracy water and energy demands in Agriculture

A new Deep Learning model based on the Transformer architecture has been developed to predict water and energy demands in agriculture. The model forecasts daily demand for irrigation water seven days in advance with an error margin of less than 2%, enabling effective resource management without autonomy loss.

SourceUniversity of Córdoba·JournalComputers and Electronics in Agriculture·TypeComputational simulation/modeling·DateApr 2, 2024
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.

Methods sections often lack critical details needed to reproduce an experiment, and the practice of citing previous papers instead of describing the methods in detail may contribute to this problem

A recent analysis of over 750 papers found that more than 90% rely on shortcut citations in their methods sections, significantly impeding the ability to reconstruct original experiments. This practice is prevalent across journals, with less than a quarter adhering to policies governing previously described methods.

SourcePLOS·JournalPLOS Biology·TypeCommentary/editorial·DateApr 2, 2024

Stressful events in midlife might be a risk factor for Alzheimer's disease in older ages

A recent study published in Annals of Neurology suggests that midlife stressful events may be a risk factor for developing Alzheimer's disease in older ages. Researchers found associations between stress and higher levels of beta-amyloid protein, neuroinflammation, and brain atrophy, particularly in men.

SourceBarcelona Institute for Global Health (ISGlobal)·JournalAnnals of Neurology·TypeObservational study·DateApr 2, 2024

Minimally invasive procedure may spare patients from thyroid surgery

A 10-center study found that microwave ablation is associated with similar progression-free survival rates to surgery but with fewer complications and a greater potential for preserving thyroid function. The procedure resulted in less blood loss, shorter incision length, and shorter procedure and hospitalization durations.

SourceRadiological Society of North America·JournalRadiology·DateApr 2, 2024
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.

Gloom and doom warnings about climate change do not work

Researchers found that doom and gloom messaging about climate change is most effective globally, but not in Norway. In contrast, people in Norway are more inclined to take action when messages emphasize moral responsibility and the consensus among climate experts.

SourceNorwegian University of Science and Technology·JournalScience Advances·TypeObservational study·DateApr 2, 2024

Researchers discover dual topological phases in an intrinsic monolayer crystal

A team of scientists has discovered dual topological phases in an intrinsic monolayer crystal, revealing new rule-bending properties in a quantum material. The discovery introduces a novel effect, known as the dual topological insulator or quantum spin Hall insulator, which exhibits zero electrical conductivity within its interior.

SourceBoston College·JournalNature·TypeExperimental study·DateApr 2, 2024

Photonic feature extractor for broadband radio-frequency signals

A team of scientists developed a photonic scheme to extract key features from broadband RF signals, reducing data rate by 4 times while maintaining high target recognition accuracy. The system achieves 97.5% accuracy and outperforms one-dimensional feature extraction.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateApr 2, 2024
Meta Quest 3 512GB

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

Electron-ion collider set to begin long-lead procurements

The US Department of Energy has approved the Electron-Ion Collider (EIC), a state-of-the-art particle collider for nuclear physics research. The EIC will be built at Brookhaven National Laboratory and funded primarily by the federal government, with a total project cost estimated to be $1.7-2.8 billion.

SourceDOE/Brookhaven National Laboratory·DateApr 2, 2024

Focusing ultra-intense lasers to a single wavelength

Researchers have developed a technique to focus ultra-intense ultrashort lasers onto a single wavelength using rotational hyperbolic mirrors. This breakthrough enables the highest intensity condition for ultra-intense ultrashort lasers, revolutionizing strong-field laser physics applications.

SourceSPIE--International Society for Optics and Photonics·JournalAdvanced Photonics Nexus·TypeObservational study·DateApr 2, 2024

New insights into how tumors on adrenal glands develop

Researchers at Kyushu University identified a new type of tumor cell population, steroids-producing nodules (SPNs), which lead to cortisol-producing adenomas. The study provides clues into the formation and maintenance of the human adrenal cortex.

SourceKyushu University·JournalEBioMedicine·TypeExperimental study·DateApr 2, 2024

New insights into aggressive breast cancer and potential treatment options

Researchers from the University of Southern Denmark have identified specific groups of cells driving resistance to chemotherapy in TNBC, offering new biomarkers and alternative treatment options. The studies shed light on the mechanisms behind chemoresistance and its epigenetic control.

SourceUniversity of Southern Denmark Faculty of Health Sciences·JournalEMBO Molecular Medicine·DateApr 2, 2024
Fluke 87V Industrial Digital Multimeter

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

Older trees help to protect an endangered species

A study by University of Barcelona researchers reveals older trees are crucial for conserving the wolf lichen, a threatened species found in European high mountain forests. The oldest trees provide unique shelter and conditions that support the survival of this endangered species.

SourceUniversity of Barcelona·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateApr 2, 2024

Corn reduces arsenic toxicity in soil

A study by the University of Basel found that corn plants release benzoxazinoids, which reduce arsenic uptake and mitigate toxicity. This mechanism could be used to cultivate hyper-emitting plant varieties for arsenic-contaminated locations, reducing food chain contamination.

SourceUniversity of Basel·JournalProceedings of the National Academy of Sciences·DateApr 2, 2024
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.

Companies ignoring climate risks get punished by markets, new study reveals

A recent study from the University of Florida found that companies ignoring climate risks tend to face market penalties, whereas those proactively managing risks fare better. The research analyzed textual data from nearly 5,000 US public companies and discovered a costly divide between proactive and non-proactive firms.

SourceUniversity of Florida·JournalReview of Financial Studies·TypeData/statistical analysis·DateApr 2, 2024

Lung cancer does not decrease in line with reduced smoking

A new study from Umeå University found that lung cancer rates haven't decreased as expected with reduced smoking. Despite declining smoking rates, the number of cases of lung cancer has increased, especially among women. The study suggests that previous assumptions about the quick decrease in risk after quitting may have been exaggerated.

SourceUmea University·JournalEuropean Journal of Public Health·TypeData/statistical analysis·DateApr 2, 2024

UMass Amherst-led team creates biofilm-resistant glass for marine environments

A UMass Amherst-led team developed biofilm-resistant glass using UV radiation, which prevents biofilm formation on surfaces in underwater environments. The technology can be used for various applications, including disinfection of transparent surfaces like windows and camera lenses.

SourceUniversity of Massachusetts Amherst·JournalBiofilm·TypeExperimental study·DateApr 2, 2024
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.

Mental health emergencies in kids were more severe during the pandemic

A new study found that pediatric emergency departments saw more severe mental health presentations among children and adolescents during the pandemic, with a significant increase in prolonged stays in EDs. The findings highlight the strain on the system and difficulties finding appropriate psychiatric care for children.

SourceAnn & Robert H. Lurie Children's Hospital of Chicago·JournalAcademic Emergency Medicine·DateApr 2, 2024

Double trouble: the risks of mixing alcohol and sports wagering

A recent US study has found that sports gamblers are disproportionately more likely to binge drink compared to non-gamblers. The research, published in JAMA Network Open, surveyed over 4,300 adults and discovered that sports bettors were 1.9 times more likely to consume excessive alcohol.

SourceUniversity of Nevada, Las Vegas·JournalJAMA·TypeSurvey·DateApr 2, 2024

When did the chicken cross the road? New evidence from Central Asia

Archaeologists and biomolecular scientists found evidence of chicken domestication in Central Asia, dating back to 400 BCE. The study suggests that chickens were widely raised for egg production and lost their seasonal egg-laying ability, driving dispersal across Eurasia.

SourceMax Planck Institute of Geoanthropology·JournalNature Communications·DateApr 2, 2024
Celestron NexStar 8SE Computerized Telescope

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

Hope for treating autoimmune diseases

A routine blood test that measures inflammation levels could improve diagnosis and management of debilitating autoimmune diseases. The Systemic Inflammation Index (SII) has shown high accuracy in diagnosing immunological diseases.

SourceFlinders University·JournalClinical and Experimental Medicine·TypeSystematic review·DateApr 2, 2024