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Hunting for 'wandering' black holes in dwarf galaxies

Tracking down black holes at the center of dwarf galaxies has proven difficult. In part it is because they have a tendency to "wander" and are not located at the galaxy's center. There are plenty of galaxies that might contain such a black hole, but so far we've had

Surface-only superconductor is the strangest of its kind

Something strange goes on inside the material platinum-bismuth-two (PtBi₂). A new study by researchers at IFW Dresden and the Cluster of Excellence ct.qmat demonstrates that while PtBi₂ may look like a typical shiny gray crystal, electrons moving through it do some things never

Acoustic waves could be the key to orbitronic devices

Electronics traditionally rely on harnessing the electron's charge, but researchers are now exploring the possibility of harnessing its other intrinsic properties. In a Nature Communications study, scientists from Japan demonstrated that sound waves in certain solids can

A 2,000-year mystery in chameleon eyes is finally solved

Chameleons’ extraordinary ability to move their eyes independently stems from a previously overlooked anatomical marvel: long, tightly coiled optic nerves hidden behind their bulging eyes. Modern CT imaging finally revealed this structure, which centuries of dissections and

Why some adventurers chase danger to find meaning

Climbing mountains or going adventuring in hostile terrain can be dangerous, even life-threatening. But a University of Mississippi marketing professor found the old adage that "with great risk comes great reward" holds clues to why thrill-seeking is so satisfying.