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  1. 5 hours ago · New research has uncovered a cute way dolphins express their joy and invite others to join in the fun. Biologists from the University of Pisa have found that bottlenose dolphins use a smile-like ...

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  3. 14 hours ago · Tropical cyclones are named for historical reasons and so as to avoid confusion when communicating with the public, as more than one tropical cyclone can exist at a time. Names are drawn in order from predetermined lists. They are usually assigned to tropical cyclones with one-, three-, or ten-minute windspeeds of at least 65 km/h (40 mph).