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Children’s Hospital of Philadelphia researchers reveal important themes to improve interactions between police and Black autistic youth

A study by Children's Hospital of Philadelphia researchers has identified four key themes to improve interactions between police and Black autistic youth, including concerns about police officers' training and the importance of patience and understanding. The study highlights the need for culturally responsive adaptations in police tra...

SourceChildren's Hospital of Philadelphia·JournalAutism·TypeSurvey·DateDec 16, 2024

Astrophysicists capture astonishing images of gamma-ray flare from supermassive black hole M87

A team of scientists captured an astonishing image of a gamma-ray flare emanating from the supermassive black hole at the center of galaxy M87. The flare was tens of millions of times larger than the event horizon and lasted about three days, providing crucial insights into particle acceleration near black holes.

SourceUniversity of California - Los Angeles·JournalAstronomy and Astrophysics·DateDec 13, 2024

Black hole debate settled? Stellar-mass black holes found at the heart of the Milky Way's largest star cluster

Researchers used pulsar accelerations and stellar velocities to determine the presence of a cluster of stellar mass black holes at the centre of Omega Centauri. The study refines understanding of the formation of these intermediate-mass black holes, which could bridge the gap between stellar and supermassive black holes.

SourceUniversity of Surrey·JournalAstronomy and Astrophysics·DateDec 9, 2024

Evidence of primordial black holes may be hiding in planets, or even everyday objects here on Earth

Researchers propose that small black holes born in the early universe could have left behind hollow planetoids and microscopic tunnels, potentially detectable with telescopes or by monitoring old materials. The study suggests a low probability of primordial black hole passage but emphasizes the potential for discovery.

SourceUniversity at Buffalo·JournalPhysics of the Dark Universe·TypeData/statistical analysis·DateDec 2, 2024

Using sunlight to recycle black plastics

Researchers have developed a method to convert black polystyrene waste into reusable starting materials using sunlight or white LEDs. The technique involves adding carbon black and exposing the mixture to high-intensity light, resulting in efficient breakdown of polymer bonds.

SourceAmerican Chemical Society·JournalACS Central Science·DateNov 25, 2024

Evidence mounts for dark energy from black holes

Researchers found evidence that black holes contain dark energy, which could explain its mysterious nature. The Dark Energy Spectroscopic Instrument provided data showing a correlation between the growth of black holes and the increase in dark energy density over time.

SourceUniversity of Michigan·JournalJournal of Cosmology and Astroparticle Physics·DateOct 28, 2024

Stem cell transplants close macular holes in monkeys

Researchers have successfully transplanted human embryonic stem cell-derived retinal organoid sheets into monkeys with macular holes, resulting in graft survival and maturation of light-detecting cells. The study suggests that this method could become a practical treatment option for difficult macular hole cases.

SourceCell Press·JournalStem Cell Reports·TypeExperimental study·DateOct 3, 2024

Black hole pairs may unveil new particles

Physicists from Amsterdam and Copenhagen suggest that a careful analysis of merging black hole pairs' gravitational waves could reveal the existence of new ultralight bosons. This process, called superradiance, provides an opportunity to probe these particles, which may resolve puzzles in astrophysics and particle physics.

SourceUniversiteit van Amsterdam·JournalPhysical Review Letters·TypeObservational study·DateSep 17, 2024

Massive merger: study reveals evidence for origin of supermassive black hole at galaxy’s center

UNLV astrophysicists found evidence suggesting the supermassive black hole at the center of our Milky Way galaxy, Sgr A*, is likely the result of a past cosmic merger. The study utilized data from the Event Horizon Telescope's 2022 observation of Sgr A* to investigate various growth models and demonstrated that the misaligned spin prop...

SourceUniversity of Nevada, Las Vegas·JournalNature Astronomy·TypeObservational study·DateSep 6, 2024

Event horizon telescope makes highest-resolution black hole detections from Earth

The Event Horizon Telescope has achieved the highest resolution ever obtained from Earth, detecting light from the centers of distant galaxies at a frequency of 345 GHz. This allows for multi-color views of the region immediately outside the boundary of cosmic beasts, revealing new properties about supermassive black holes.

SourceCenter for Astrophysics | Harvard & Smithsonian·JournalThe Astronomical Journal·DateAug 27, 2024

Black mental health professionals more susceptible to burnout, race-based traumatic stress

A new study reveals that Black mental health professionals experience high rates of burnout and racial trauma, with higher levels of social support and resilient coping predicting lower levels of these negative impacts. The researchers suggest recruiting more Black persons into the mental health professions as a way to build trust with...

SourceBoston University School of Medicine·JournalPsychological Trauma Theory Research Practice and Policy·TypeSurvey·DateAug 12, 2024

Astrophysicists uncover supermassive blackhole/dark matter connection in solving the ‘final parsec problem’

Researchers found that pairs of supermassive black holes can merge due to previously overlooked behavior of dark matter particles, proposing a solution to the longstanding final parsec problem. This discovery provides insight into the nature of dark matter and its interaction with supermassive black holes.

SourceUniversity of Toronto·JournalPhysical Review Letters·TypeComputational simulation/modeling·DateJul 22, 2024

Astronomers find the nearest massive black hole, a missing link in massive black hole formation

Researchers have found the nearest massive black hole to Earth, located at the center of Omega Centauri, a galaxy that was swallowed by the Milky Way. The discovery provides insight into the formation history of galaxies and confirms long-held suspicions about the existence of intermediate-mass black holes.

SourceMax Planck Institute for Astronomy·JournalNature·TypeObservational study·DateJul 10, 2024

Astronomers find missing link in massive black hole formation

Researchers at the University of Utah and Max Planck Institute have discovered an intermediate-mass black hole in the Omega Centauri cluster, providing crucial evidence for a long-theorized class of black holes. The discovery offers insights into galaxy evolution and the formation history of globular clusters.

SourceUniversity of Utah·JournalNature·TypeComputational simulation/modeling·DateJul 10, 2024

Tiny bright objects discovered at dawn of universe baffle scientists

Scientists have discovered tiny, bright objects in the early universe that are packed with hundreds of millions of years old stars, defying conventional thinking about galaxy evolution. The objects also harbor surprisingly large supermassive black holes, estimated to be 100 to 1,000 times more massive than our Milky Way's black hole.

SourcePenn State·JournalThe Astrophysical Journal Letters·TypeImaging analysis·DateJun 28, 2024

Dense, swirling winds help supermassive black holes grow

Researchers discovered a rotating, magnetic wind that helps the galaxy's central supermassive black hole grow, similar to the birth of stars and planets. The study provides new clues to solving the mystery of how supermassive black holes grow, with potential implications for understanding galaxy evolution.

SourceNorthwestern University·JournalAstronomy and Astrophysics·TypeObservational study·DateJun 20, 2024

How do supermassive black holes get super massive?

A team of researchers used a hybrid approach to track the growth of supermassive black holes, finding that accretion dominated growth in most cases. Mergers made notable contributions, especially for massive black holes over the past 5 billion years.

SourcePenn State·JournalThe Astrophysical Journal·TypeExperimental study·DateJun 11, 2024

Medium and mighty: Intermediate-mass black holes can survive in globular clusters

Simulations reveal that dense molecular clouds can give birth to very massive stars that evolve into intermediate-mass black holes. The study provides new insights into the potential mechanisms of intermediate-mass black hole formation, which could have significant implications for our understanding of these enigmatic objects.

SourceSchool of Science, The University of Tokyo·JournalScience·TypeComputational simulation/modeling·DateMay 30, 2024

The case of the missing black holes

Researchers propose a novel approach to correct the leading model of primordial black hole (PBH) formation, aligning with cosmic microwave background observations. This could imply fewer PBHs than expected, potentially affecting the dark matter theory and gravitational wave events.

SourceUniversity of Tokyo·JournalPhysical Review Letters·TypeComputational simulation/modeling·DateMay 29, 2024

Using wobbling stellar material, astronomers measure the spin of a supermassive black hole for the first time

Researchers at MIT have developed a new method to measure the spin of supermassive black holes by tracking the pattern of X-ray flashes produced during tidal disruption events. By analyzing the wobble of the accretion disk, they were able to determine that the nearby black hole was spinning at less than 25% the speed of light.

Most massive stellar black hole in our galaxy found

Astronomers have identified a massive stellar black hole with a mass of 33 solar masses, making it the most massive found in the Milky Way. The black hole is located at 2000 light-years away and was discovered using data from the European Space Agency's Gaia mission.

SourceESO·JournalAstronomy and Astrophysics·DateApr 16, 2024

New image of the center of our Milky Way: Spiral magnetic fields surround black hole Sagittarius A*

Researchers analyze data from another series of observations to study Sgr A*, finding that strong and ordered magnetic fields are critical to how black holes interact with gas and matter around them. The discovery enhances theoretical models and simulations, refining our understanding of black hole dynamics near the event horizon.

SourceGoethe University Frankfurt·JournalThe Astrophysical Journal Letters·TypeComputational simulation/modeling·DateMar 27, 2024