A recent study from SISSA suggests that dark matter interacts with gravity in a non-local way, providing a fresh perspective on its nature. The new model, which employs fractional calculus, accurately describes the motion of stars in smaller galaxies.
A study by researcher Breno Arsioli Moura investigated the depictions of Benjamin Franklin's famous kite experiment in illustrations published in the 19th century. The study found several inaccuracies, including the incorrect location where the experiment was performed and the method used to harness electricity from the clouds.
A team of astronomers has observed the most luminous quasar in 9 billion years, shedding light on its interaction with its environment. The study found that the quasar's black hole is growing at a rate of 100 solar masses per year and emitting powerful winds into the host galaxy.
Researchers at the University of Missouri have developed a smart material prototype that can control the direction and intensity of energy waves. This breakthrough could have significant implications for various fields, including military and commercial applications.
An international research team explores ultra-fast gas emissions from active galactic nuclei, which significantly change galaxy ecosystems. The study confirms the existence of these powerful emissions and their role in regulating star formation.
Scientists have discovered that quasars are ignited by galaxies crashing together, a process that drives gas towards supermassive black holes and releases extraordinary amounts of energy. This finding provides a significant step forward in understanding how these powerful objects are triggered and fuelled.
A new study from NASA's Chandra program reveals that exploded stars can pose a significant risk to nearby planets due to intense X-ray radiation, potentially altering atmospheric chemistry and causing mass extinctions.
Three-dimensional simulations of elastoviscoplastic fluids revealed novel insights into energy transfer mechanisms across different scales. The findings showed a homogeneous, isotropic turbulence with plastic effects altering turbulent behavior.
Researchers from the University of Illinois have developed a new theory that explains how convection occurs inside reactive porous media, shedding light on mass and heat transfer principles. The theory introduces a spectral Sherwood number and extends Newton's law of cooling for convection heat transfer to transient conditions.
A study by Universitat Rovira i Virgili's SeesLab research group shows machine learning algorithms may not always find interpretable models from data due to fundamental limitations. The importance of noise in data is highlighted, making it impossible to discover the correct model when variability is high.
Researchers propose a practical framework for managing the risks of biopesticide resistance evolution, suggesting that farmers can help by planting a wider diversity of crops and using multiple biopesticides. This approach aims to reduce the spread of resistance and keep biopesticides effective in the long term.
Researchers found that astrocyte cells directly impact motor learning by maintaining an optimal molecular balance. Astrocytes' ability to regulate neurotransmitter glutamate affects the smoothness of movement and refinement of technique.
Researchers detected diverse animal visitors on native flowers using eDNA metabarcoding, revealing key interactions between plants and animals. The study's findings support the use of eDNA as a tool to monitor plant-animal relationships and safeguard endangered flora.
Da Vinci's understanding of gravity was ahead of its time, with experiments showing that gravity is a form of acceleration. His notebook reveals an experiment where a water pitcher moves parallel to the ground, dumping out water or sand, demonstrating acceleration due to gravity.
The C235 color system uses prime numbers to represent red, green, and blue colors, resulting in a more unified and manageable color framework. This system enables the creation of a compressed color wheel with less than 1.2% compression error rate, allowing for efficient representation of all 256^3 colors.
A study published in Nature Astronomy suggests that a volcano-like rupture on the surface of a neutron star could have caused its sudden slowdown. The research used X-ray data from orbiting telescopes to analyze the magnetar's rotation and found evidence supporting this theory.
A CU Boulder-led study finds that Indigenous communities with full, formal recognition of their land rights experience less deforestation and increased reforestation in the Atlantic Forest. The research supports ongoing efforts to recognize Indigenous peoples' land rights and mitigate climate change and biodiversity loss.
Physicians in Brazil's states of São Paulo and Maranhão used telemedicine for various purposes, including staff meetings, training sessions, and patient consultations. However, the technology has limitations and requires regulation to ensure quality care.
A study by Edith Cowan University found that home-based exercise programs can accelerate recovery from cancer-related fatigue and improve health-related quality of life during radiotherapy. The research included 89 women who completed a 12-week program, with no adverse effects reported.
Researchers investigated open star clusters, finding they dissolve faster than predicted by Newton's laws. The team developed a new method to count stars in tidal tails, revealing a significant difference in the number of stars between the front and rear tails.
Researchers found mutated PKCγ enzyme leads to elevated activity, disrupting Purkinje cell function and driving cerebellar pathology. The study suggests inhibiting the enzyme may have therapeutic potential for spinocerebellar ataxia type 14 and potentially other subtypes.
Research suggests that encouraging girls to roleplay as successful female scientists can increase their persistence in science activities, counteracting negative gender stereotypes. By pretending to be a scientist, girls may psychologically distance themselves from biases and feel more engaged in STEM fields.
The presentation discusses how climate change affects diabetes care and emphasizes the need for a green transition to reduce healthcare's environmental footprint. Reducing environmental impact can also improve health outcomes, according to Dr. Fiona Adshead.
A team of researchers at the University of Vienna has found a new mechanism that fundamentally alters the interaction between optically levitated nanoparticles. By applying coherent scattering, they were able to create non-reciprocal forces and improve coupling in arrays of particles, enabling new ways to study complex physical phenomena.
Newborn neurons in Rett syndrome organoids migrate slowly and erratically compared to non-mutated cells. The study provides new insight into how MECP2 mutations affect brain development, revealing larger ventricles and thinner neural zones.
Researchers found that the brain's cortex uses principles of calculus to implement a 'stop' signal, allowing for quick and precise decision-making in goal-directed behaviors. The study reveals how the brain integrates learned rules with sensory information to guide actions.
Researchers from ETH Zurich conducted a new experiment to redetermine the gravitational constant G, obtaining a value 2.2% higher than the current official figure. The team used a dynamic measurement method involving resonating beams, allowing for real-time data analysis and minimization of interference.
A study in Brazil found that performance-related bonuses for family healthcare workers can significantly enhance the quality of primary health care, particularly in more disadvantaged regions. The analysis showed a notable difference in outcomes between areas with and without bonus incentives.
Researchers identified a specific bacterial microbe, Bombella apis, that can thrive in royal jelly and increase its amino acid content. This microbe helps developing bees build resilience against nutritional stress, making them smaller but healthier.
A new MIT study finds that noradrenaline helps the brain learn from surprising outcomes by stimulating behavior that leads to a reward, particularly in uncertain situations. The researchers also discovered that noradrenaline promotes taking a chance on getting a reward, even when the outcome is unknown.
A comprehensive review of non-separability in classical light explores its potential for fundamental science and applications. The study introduces a unified framework for classifying non-separable states involving different degrees of freedom of light, offering a timely perspective on the field.
Scientists at MIT's Picower Institute mapped thousands of inputs to the anterior cingulate cortex and lateral posterior thalamus, finding that both regions receive input from non-sensory areas. The study provides a detailed roadmap for understanding selective attention in mice.
A novel 'rational' neural network reveals underlying mathematical equations through Green's functions, enabling humans to understand machine-generated findings. This breakthrough in partial differential equation learning holds promise for advancing scientific exploration of weather systems, climate change, and more.
Using 1D kinematics, students calculate the winner of a 193 million year-old race between Usain Bolt and Dilophosaurus wetherilli. Newton's second law helps Bolt leverage his acceleration to win by 2 seconds.
A team of astronomers discovered neutron stars blowing hot, warm and cold winds while consuming matter from a nearby star. The discovery provides key information about the behaviors of these extreme cosmic objects, which contribute to the formation of new stars and galaxy evolution.
The collaboration aims to prepare professionals to support school-aged students with autism spectrum disorder and related disabilities. Full scholarships will be awarded to 24 graduate students starting in Fall 2022.
The discovery of 2020 XL5, the second Earth Trojan asteroid, provides significant insights into the early conditions of the Solar System. The asteroid's stable orbit around the L4 or L5 Lagrangian points makes it an ideal candidate for future space missions.
Researchers demonstrate that quantum networks' predictions differ when postulates are phrased in real numbers. The study proposes an experimental setup involving two sources and three measurement nodes, where complex quantum theory's predictions cannot be expressed by their real counterparts.
Researchers developed AI that extracts hidden equations of motion from observational data, creating models faithful to the laws of physics. This enables physics-based investigations and simulations for ecosystem sustainability, among other applications.
Physicists from Exeter and Zaragoza develop a theory to engineer non-reciprocal flows of quantum light and matter, paving the way for novel devices with directional character. This breakthrough may lead to the creation of quantum technologies requiring efficient, directional energy transfer.
A team of physicists created 'droploids', self-propelled droplets containing colloidal particles that act as internal motors. The researchers used laser light to activate the system, creating a feedback loop that propels the droplets forward.
A new study warns that the Arctic Ocean's 'Last Ice Area,' a region where summer ice traditionally persists, may not survive the century. The study predicts that under high-emissions scenarios, summer ice will disappear by 2100, displacing creatures such as seals and polar bears.
A clinical trial found that obese prostate cancer patients who underwent regular exercise training for 12 weeks had increased levels of anti-cancer myokines, which suppressed tumour growth and helped fight cancerous cells. The study suggests exercise may be a key weapon in cancer patients' battle against the disease.
Using observations, lab experiments, theory, and computation, researchers have developed a simple theory to explain the form and growth of apples' cusp-like features. The team found that mechanical instability and underlying fruit anatomy play joint roles in giving rise to multiple cusps in fruits.
The California NanoSystems Institute has launched a new Quantum Biology Center at UCLA, focusing on community-building and interdisciplinary research collaborations. The center aims to train students and scientists in the quantum biosciences and explore the application of quantum mechanics to biological processes.
Researchers discovered a brain circuit that combines excitatory and inhibitory neurons to enforce reliability in visual processing. The team found that activity among two types of inhibitory neurons, PV and SST, work together to control the gain of excitatory neurons and improve representation consistency.
The locus coeruleus region plays a crucial role in regulating learning from reward and punishment, optimizing behavior and mental health. The region integrates sensory inputs and internal cognitive states to precisely exert its influence.
A research team has explained the cause of Jupiter's X-ray aurorae, a phenomenon puzzling scientists for decades. The study found that heavy ions with mega-electron volt energies produce the auroral flares, triggered by magnetic compression and electromagnetic waves in Jupiter's magnetosphere.
Researchers have solved a decades-old mystery as to how Jupiter produces spectacular bursts of X-rays every few minutes. The X-rays are triggered by periodic vibrations of Jupiter's magnetic field lines, creating waves of plasma that send charged particles towards the planet's atmosphere.
A team of MIT and Harvard University researchers has developed a modified version of two-photon imaging that can image deeper within tissue and perform the imaging much more quickly than what was previously possible. This technique allows for high-resolution images of structures such as blood vessels and individual neurons within the b...
Astronomers have discovered a massive open cluster of intermediate age in the Scutum constellation, containing at least 15,000 stars. The Valparaíso 1 cluster was detected using Gaia satellite data and is notable for its unexpected discovery in a well-explored part of the sky.
Researchers observed plasma jets interacting with magnetic fields in a massive galaxy cluster 600 million light years away. The findings can help clarify how such galaxy clusters evolve, providing new insights into the structure of intracluster magnetic fields.
Distinguished Professor Sang Yup Lee at KAIST was elected as a foreign member of the Royal Society, one of the world's most prestigious national science academies. He is recognized for his pioneering work in systems metabolic engineering and developing micro-organisms for producing fuels, chemicals, and natural compounds.
Researchers at Boston University found that sound levels increased substantially in Blue Hills Reservation after pandemic lockdowns reduced commuter traffic. Faster-moving cars generate more noise, disrupting wildlife and human health benefits of nature recreation.
Engineers can now determine material properties like stress and strain from images of their internal structure, reducing computational complexity. The AI-powered approach uses computer vision and machine learning to generate estimates in real-time.
A new theory explains how suspended sediment particles mysteriously move upward on submarine canyon slopes, defying gravity. This discovery helps understand biogeochemical cycles at continental margins and feeding behavior of suspension feeders like baleen whales and krill.
A new study by Hebrew University researcher Professor Barak Kol introduces a novel approach to the three-body problem, predicting the probability of each body escaping the system. The theory avoids infinite probabilities and provides strong agreement with computer simulations, indicating a paradigm shift in understanding the system.
Researchers found high levels of antimicrobial resistance in water from the Hua Krabue canal, but low levels in aquaculture ponds. The study highlights the urgent need to improve urban sanitation in Thailand's coastal region. Safely managed sanitation is crucial for combatting antibiotic resistance.
Researchers at the University of Toronto have made a groundbreaking discovery in the field of reaction dynamics, shedding light on the behavior of molecules during collisions. The 'knock-on chemistry' phenomenon reveals that reaction products emerge in a straight line, moving in the same direction as the incoming reagent atom.
Researchers at the University of Vienna have successfully measured the smallest gravitational force yet by using a ladybug-sized mass. The team, led by Markus Aspelmeyer and Tobias Westphal, has picked up on an idea from Henry Cavendish's 18th-century experiment to measure gravitational forces with increasing accuracy.