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Did astronomers see a black hole explode? An 'impossible' particle that hit Earth in 2023 may tell us

"If our hypothesized dark charge is true, then we believe there could be a significant population of primordial black holes, ...
Nature

Not just a chip off the old block: nanoparticles reveal odd traits

Melting point of nanoscale sodium particles differs to that of bulk sodium. A new way of probing nanometre-scale particles of ...