Researchers at the University of Delaware part of an international team that observed 28 high-energy particle events coming from cosmic accelerators, possibly exploding stars or accreting black holes. The discovery marks the first solid evidence of neutrinos originating from sources outside our solar system.
A team of researchers has discovered the oldest known big cat fossil, a 4-million-year-old skull of a new species called Panthera blytheae. The find challenges previous assumptions about the evolution of big cats and suggests they evolved in central Asia before spreading to other regions.
A new study by Dartmouth researchers eliminates a controversial theory that the universe's accelerating expansion is an illusion. They used Big Bang afterglow to show that Earth has no special place in the expanding universe, eliminating the possibility of a cosmic center.
Researchers propose a new model for supermassive black hole growth involving 'seed' black holes formed from early stars. A single collapsing star can produce a pair of black holes that merge, resolving the issue of their rapid formation in the young universe.
Santiago Grijalva, NREL's new director of the Power Systems Engineering Center, will establish and direct the NREL's grid research portfolio at ESIF. He champions an Internet of the Grid, envisioning millions of decision-makers managing the electric grid.
Researchers detect z8_GND_5296 galaxy using Hubble Space Telescope data, revealing universe's earliest conditions. The discovery sheds light on the era when the universe transitioned from opaque to translucent state.
A UT Arlington computer scientist is leading a project to mine electronic medical records data to personalize patient treatment, predict health care needs, and identify risks. The goal is to improve healthcare outcomes by providing doctors with better information.
Researchers use spectroscopy to confirm distance of newly discovered galaxy, z8-GND-5296, which forms stars at a rate ~300 times that of the Milky Way. The discovery sheds light on the earliest formation of galaxies and provides insights into the evolution of galaxies throughout the universe's age.
LSU researchers have received a nearly $1 million grant to develop software and infrastructure enabling Big Data research on the university's campus. The project, titled CC-NIE Integration, will empower scientific breakthroughs by providing advanced information technologies and cyberinfrastructure.
A team of researchers at Mount Sinai used systems biology and big data analysis to find that combining diabetes drug rosiglitazone with exanatide reduced heart attacks. The approach identifies potential safer combinations, sparking interest in repurposing FDA-approved drugs.
The study provides an invaluable resource for big cat conservation by sequencing the genomes of tigers, lions, leopards, and domestic cats. Key findings include genetic similarities between big cats and humans, as well as unique adaptations to high-altitude environments.
A study resolves Darwin's dilemma by explaining the Cambrian explosion as a result of 5x faster evolutionary rates. This suggests that natural selection can produce rapid changes in animal body plans and habits.
Researchers measured evolution rates during the Cambrian explosion, resolving 'Darwin's dilemma' and explaining the sudden appearance of modern animal groups. The study found that moderately accelerated evolution was sufficient to explain the emergence of arthropods.
Physicists have successfully simulated the evolution of the early universe using ultracold cesium atoms. The experiment replicated patterns resembling the cosmic microwave background radiation, shedding light on the universe's origins. By studying these patterns, researchers can better understand the universe's structure and properties.
Scientists at PTB successfully generated and investigated symmetry-breaking in ion Coulomb crystals, mirroring the early universe. The research enables the study of quantum phase transitions and complex system dynamics.
Researchers investigated defect formation in Coulomb crystals during phase transitions, using ion traps to compress and fold the crystal structure. The experiments confirmed the Kibble-Zurek mechanism's predictions, demonstrating its importance in understanding complex physical phenomena.
A new analysis of cosmic microwave background radiation data has taken the furthest look back in time, revealing an excess of radiation that may indicate the presence of primordial neutrinos or dark energy. The findings challenge current theories on the universe's early expansion history.
Physicists propose that Einstein's special relativity emerges from a combination of quantum dynamics and gravity. This theory predicts the formation of charge asymmetry between particles and anti-particles at ultra-minute fractions of seconds after the Big Bang, in agreement with recent cosmological observations.
Astronomers have observed the Sculptor Galaxy (NGC 253) producing an outflow of molecular gas, curtailing its ability to form new stars. The galaxy's starburst region is shedding massive amounts of gas, with a total mass estimated to be nine times that of our Sun each year.
Researchers found that particles with mass experience different space-times depending on their direction of motion, while massless particles see the same space-time in all directions. This discovery challenges our understanding of isotropy in the universe.
A team of astronomers has spotted a distant galaxy consuming nearby gas, which fuels star formation and drives rotation. This discovery supports the theory that galaxies pull in material to grow and form stars.
Researchers found that women who had taken at least one computer science class were less likely to mention stereotypical characteristics, while men's descriptions remained unchanged. The studies also showed that exposing students to accurate portrayals of computer scientists increased interest in the field among women.
The number of big game hunters in Spain has risen significantly over the past three decades, driven by urban tourists seeking trophy hunting experiences. This trend is linked to economic factors, including increased purchasing power and the growth of commercial hunting activities.
A study published in Nature found that 70% of stars with high sodium content fail to reach the final red giant phase. This discovery challenges previous assumptions about the life cycle of low-mass stars, including our Sun.
Researchers at Vanderbilt University have created the world's smallest liquid droplets in a lab experiment. The tiny droplets, about one-100,000th the size of a virus, exhibit flow-like behavior similar to quark-gluon plasma, a state of matter thought to have existed in the universe during its early stages.
The discovery of pear-shaped nuclei in exotic atoms may hold the key to understanding the universe's matter-antimatter imbalance. The shape allows for stronger detection of a new interaction that could explain the discrepancy.
A new study published in Psychological Science found that individuals living in greener areas reported less mental distress and higher life satisfaction. The association held even after accounting for other factors that contribute to life satisfaction.
Research finds that individuals living in urban areas with green space report less mental distress and higher life satisfaction. The effect is significant even after accounting for income, employment, marital status, physical health, and housing type.
Astronomers have uncovered a massive star factory in the universe's youth, producing stars at a rate 2,000 times that of our Milky Way. The galaxy, HFLS3, has a reservoir of gas and dust, with over 40 billion stars and 100 billion tons of gas.
A team of astronomers has discovered a massive galaxy producing stars at an unprecedented rate of 2,000 times greater than the Milky Way. This 'maximum-starburst' galaxy, called HFLS3, is the earliest known starburst galaxy, dating back to 880 million years after the Big Bang.
Researchers found that Green Pea galaxies, compact and highly star-forming, may leak ionizing radiation. This could confirm the prevailing theory of reionization during the Big Bang's early stages.
The NOvA neutrino detector has recorded its first three-dimensional images of particles from cosmic rays, a crucial step towards discovering properties of mysterious fundamental particles called neutrinos. The detector will use this data to identify and measure the energy of neutrinos.
A team of Harvard scientists has successfully measured the magnetic charge of single particles of matter and antimatter, achieving a significant increase in accuracy for antiprotons. This breakthrough could provide new insights into the nature of matter and help address fundamental questions about the universe.
The Planck space mission has released its most accurate map of the oldest light in the universe, revealing a slower expansion rate and less dark energy. The new data also provide insights into dark matter and normal matter contents, challenging current models.
The Planck satellite provides an unprecedented level of detail about the cosmic microwave background, confirming the standard model of cosmology at exceptional accuracy. Anomalies in the data suggest the Universe may be different on scales larger than those directly observable.
The Planck observatory's first 15 months of data reveal that the universe is 100 million years older than previously thought, with more matter and less dark energy. Scientists used supercomputing at NERSC to create detailed maps of the relic radiation from the big bang.
Astronomers at CU-Boulder used the Hubble Space Telescope to study a quasar's impact on early universe conditions. The team found that 'sideline quasars' likely teamed up with the bright quasar to heat helium gas, preventing small galaxy formation.
The U.S. Planck Team, led by NASA and DOE, generates a massive simulation suite using NERSC's resources to analyze the flood of data from the Planck mission. This allows for precise cosmology results, with 250,000 maps of the sky produced in just 1,000 realizations.
Astronomers found dust-enshrouded, star-forming galaxies that were previously unknown in the universe. The newly discovered galaxies produce stars at a prodigious rate, creating thousands of new suns annually.
A team of astronomers has discovered two ancient, highly active galaxies in the early Universe, formed soon after the Big Bang. These galaxies are characterized by an unusually high rate of star formation and will help improve our understanding of star formation in the early Universe.
The NASA grant will support the U.S. institutions in building lasers and monitoring equipment for calibrating the telescope's optics from around the globe. The Extreme Universe Space Observatory aims to discover the sources of ultra high-energy cosmic rays by observing their traces in the atmosphere.
Astronomers used NASA's Hubble Space Telescope to determine the age of the oldest known star, HD 140283, which could be as old as 14.5 billion years. The new age estimate reduces measurement uncertainty, overlapping with the universe's age, and provides a precise calculation of the star's intrinsic brightness.
A team of researchers at Saarland University developed the Hadoop Aggressive Indexing Library (HAIL), a technique that enables fast and efficient searching in large datasets. By generating indexes for multiple criteria, HAIL can query big datasets up to 100 times faster than traditional methods.
The inaugural issue of Big Data journal launched at the Strata Conference, featuring premium content from leading experts on big data. The Journal aims to facilitate dialogue among researchers, analysts, and policymakers on the challenges and opportunities in big data, published under the Creative Commons Attribution license.
A study by HITS researchers found that most proteins evolved to fold faster, with a 'big bang' of complex structures emerging 1.5 billion years ago. The study suggests that faster folding speeds may make proteins less susceptible to aggregation.
Joerg Schmiedmayer's work focuses on ultra cold atom clouds with high order, approaching a disordered thermal equilibrium. His new ERC Grant will investigate relaxation and non-equilibrium dynamics in quantum systems.
Researchers used a CSIRO radio telescope to measure the temperature of an unnamed galaxy 7.2 billion light-years away, finding it was 5.08 Kelvin (-267.92 degrees Celsius). This confirms the Big Bang theory's prediction that the Universe's temperature drops smoothly as it expands.
A five-year Canadian mentoring study found that mentored children are more confident in their academic abilities, display fewer behavioral problems, and have better mental health outcomes. The study's key findings show that girls with a Big Sister are less likely to bully or exhibit negative behaviors.
Researchers developed a mathematical model to predict how specific mutations affect antibiotic resistance. They discovered that small changes can increase resistance by up to 500%, challenging the idea of big effects from big changes.
Researchers at Iowa State University are working on a project to help biologists cope with the challenges of big data in plant biology. The team has developed a microsystem instrument that can precisely control the environment for thousands of plants, allowing scientists to analyze the impact of different factors on plant growth.
Researchers found that Tsimane indigenous population in Bolivia does not exhibit the traditional Big Five personality traits, but rather a 'Big Two' of prosociality and industriousness. The study's findings suggest that lifestyle and ecology shape human psychology more broadly.
A study of an isolated Bolivian society found that five widely accepted personality traits may not be universal, instead revealing a unique 'Big Two' structure including prosociality and industriousness. Researchers suggest expanding beyond Western populations to better understand personality development.
A team of researchers has calculated the strength and distribution of magnetic fields in the early universe, finding that they existed even before the first stars formed. The calculations show that these weak magnetic fields were present throughout the entire plasma volume, with strengths as low as 10^-20 Tesla.
The study reveals differences in the speed of evolution among globular clusters, with fast-aging clusters experiencing core collapse within a few hundred million years. In contrast, slow-aging clusters would take several times the current age of the universe to undergo core collapse.
Researchers used the MPG/ESO 2.2-metre telescope and Hubble Space Telescope to study 21 globular clusters, finding that a few were young with blue stragglers distributed throughout, while others were old with the stars clumped in the centre. This reveals big differences in the speed of evolution from cluster to cluster.
A team of Caltech astronomers used NASA's Hubble Space Telescope to discover seven primitive and distant galaxies, existing 13 billion years ago. The galaxies formed during the 'cosmic dawn' period, with their numbers steadily increasing over time, supporting the idea that first galaxies didn't form in a sudden burst.
Astronomers have discovered seven primitive galaxies from a distant population formed over 13 billion years ago. The observations reveal the earliest years of cosmic history and provide new insights into galaxy formation.
Astronomers have discovered a previously unseen population of seven primitive galaxies that formed more than 13 billion years ago. The galaxies were observed using Hubble's Wide Field Camera 3 in near-infrared light, allowing researchers to study the early universe.
A team of researchers at MIT analyzed light from a quasar, which is the most distant object known, to study the era of the first stars and galaxies. They found no evidence of heavy elements in the surrounding gaseous cloud, suggesting that the quasar dates back to an era nearing the universe's first stars.
Researchers found that blackbody radiation shifts caused by surrounding chamber temperature can impose limits on atomic clock precision. The study, led by Charles Clark and Marianna Safronova, explores how ytterbium atoms are affected by this faint form of influence, crucial for future clock recalibrations.