Jude's device, called the Amplatzer PFO Occluder, is used to seal a flap-like passageway between the left and right atriums of the heart.

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Early-morning swimmers in the hotel's huge pool, which is surrounded by four storys of rooms, were swept out and up as the sea poured in through every passageway and corridor.

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Each is lined with tissue called the mucosa, which secretes mucus continuously along hairy cells called cilia and out a tiny passageway called an ostium, through which the mucus drains into the nasal cavity and down the back of the throat, where it is swallowed (unless you blow your nose).

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