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Dialog / A black hole as light as 40 tons can exist inside a star if dark matter helps
In 1974, Stephen Hawking made a prediction that transformed our understanding of black holes. Black holes, he showed, are not truly black: They slowly lose energy through a quantum process now known as Hawking radiation. ...
Phys.org / Levitated magnet opens new frontier in search for ultraheavy dark matter
Rice University researchers have used a magnetically levitated particle to search for ultraheavy dark matter, extending the hunt for some of the heaviest possible forms of the invisible matter thought to hold galaxies together. ...
Phys.org / Ships, ice cores and krill surveys underpin Australia's 10-year Antarctic monitoring strategy
The important role ships play in gathering scientific data in Antarctica and the Southern Ocean has been outlined at a leading Antarctic science conference in Hobart. The biennial Australian Antarctic Research Conference ...
Phys.org / Do black holes have hidden hair? Scientists find a new way to check
When two black holes crash together and merge, the newly formed black hole rings like a bell, sending out gravitational waves with specific frequencies that fade over time. This brief, fading pattern of waves is called ringdown, ...
Phys.org / Rare pulsar unleashes 114 giant pulses in a single hour
Astronomers have detected extreme, never-before-seen behavior from a rare kind of pulsar and stumbled on a surprising link to one of astronomy's biggest current mysteries. Using 174 hours of radio observations, researchers ...
Phys.org / A child's first 5 years set them up for life. African study explores how to target education spending
The first five years of life lay an important foundation for children's future schooling, health and earnings. Yet over 77% of children in sub-Saharan Africa don't have access to early childhood care and education. This places ...
Medical Xpress / Borderline low hemoglobin levels, usually considered normal, linked to a higher risk of death
A prospective cohort study found that adults whose hemoglobin levels were 1 to 3 g/dL above the World Health Organization's (WHO) current anemia thresholds had lower mortality compared with those whose hemoglobin levels were ...
Phys.org / Port Hills research reveals 'fire trap' risk from non-native grass
New research from Te Whare Wānanga o Waitaha | University of Canterbury (UC) examining the aftermath of the February 2024 Port Hills wildfire found that some young native trees and shrubs were able to resprout after being ...
Phys.org / Three quantum phases in chromium-based material hint at a spin-triplet superconductor
Superconductors are materials that conduct electricity without electrical resistance when cooled below a specific critical temperature. These materials have proved promising for the development of various technologies, including ...
Tech Xplore / Better AI starts with better data: Researchers identify hidden annotation errors in object detection datasets
A research team led by Sung Wook Baik, a professor in the Department of Software at Sejong University, has published a comprehensive survey examining annotation errors in widely used object detection datasets and methods ...
Phys.org / Why doesn't Venus have a moon? A new study may have the answer
Venus is one of the solar system's most unusual planets. It may sometimes be called "Earth's twin" because of its similar size and density, but it rotates on its axis in the opposite direction of most planets, has surface ...
Medical Xpress / Understudied gut fungus may help repair radiation-damaged DNA and limit intestinal injury
The gut microbiome has been a popular topic for a while now, but the focus is usually on good bacteria. A new study, published in the journal Proceedings of the National Academy of Sciences, suggests that we may want to pay ...
