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SpaceA supermassive black hole shredded a star and was caught in the act
Astronomers have gotten the earliest glimpse yet of a black hole ripping up a star, a process known as a tidal disruption event.
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Materials ScienceA new cooling technique relies on untwisting coiled fibers
A “twist fridge” operates via twistocaloric cooling, a technique that generates cooling by unraveling twisted strands.
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ArchaeologyAncient European households combined the rich and poor
Homes combined “haves” and “have-nots” in a male-run system, suggests a study that challenges traditional views of ancient social stratification.
By Bruce Bower -
Earth50 years ago, an Antarctic fossil pointed to Gondwanaland’s existence
Fifty years ago, fossils from Antarctica helped seal the deal that the southern continents were once connected in one, giant landmass called Gondwanaland.