Flotsam & Jetsam

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A Dancing Turtle? Have you witnessed a turtle revolving seemingly wildly in the water? Well, it's not so wild, say scientists at the University of North Carolina, who have published a ground-breaking study of how turtles navigate. Their instinctive dance aligns themselves with the Earth's magnetic field. The researchers conditioned captive loggerhead turtles to specific magnetic fields by replicating specific oceanic locations, repeatedly feeding the turtles in some places but not in others. When excited by a familiar magnetic signature, the turtles would lift their heads at the surface with mouths open, slap their flippers, and often spin in circles.

Jaws is 50: This summer, you can revisit Spielberg's ground-breaking movie. Jaws, as Universal plans a nationwide re-release of the film from August 29 through September 4, with plenty of new streaming opportunities. But see it in a theatre, where that deep bass -- da dum -- and the sharks in your face may still give you the willies. Afterward, go to social media and explain that it's a fantasy. You can dive up close with sharks, but shark finning must end....

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