Astronomers tracked a decade of dramatic changes in P13, a neutron star undergoing supercritical accretion. Its X-ray luminosity rose and fell by factors of hundreds while its rotation rate accelerated. These synchronized shifts suggest the accretion structure itself evolved over time. The findings offer fresh clues to how ultraluminous X-ray sources reach such extreme power.
source https://www.sciencedaily.com/releases/2025/12/251213032610.htm
How photosynthetic bacteria pass light along: Two major energy pathways
identified
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RIKEN researchers have found out how light energy harvested by pigments
besides chlorophyll is transferred to the molecular site where
photosynthesis occur...
8 hours ago
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