SOMETHING NEW IN THE REALM OF SPRITES: Frankie Lucena of Puerto Rica has made a discovery. Some jellyfish have feet. Jellyfish sprites, that is. "On Sept. 28th, I photographed an outburst of upward directed lightning over the Caribbean," he says. "Their jellyfish forms included something unusual. I call them 'feet.'" Note the bright endpoints at the bottom of the sprite's dangling tendrils.

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