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PhysicsToy boats float upside down underneath a layer of levitated liquid
The upward force of buoyancy keeps objects afloat even in unusual conditions.
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PhysicsRecord-breaking gravitational waves reveal that midsize black holes do exist
The biggest merger of two black holes so far raises questions about how the pair of objects came to be.
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AnimalsFlamboyant cuttlefish save their bright patterns for flirting, fighting and fleeing
A new field study of flamboyant cuttlefish shows they don’t always live up to their reputation.
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Health & Medicine50 years ago, scientists were trying to develop a low-emission car
Electric cars have surged in popularity, but the vehicles still contribute to greenhouse gas emissions.