Run a car on hydrogen and pure water drips out the tail pipe.

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You had merely to lead them to the plate-glass porch door and point out a squirrel or a cat running on the railing, or the automatic pool vacuum flipping its tail in the water as it carried on, side to side, end to end.

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Sometimes, a tail would slap the water.

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The twin-engine Cessna 421 remained afloat with its tail sticking out of the water for some time before it sank Thursday afternoon, said Petty Officer Elizabeth Bordelon, a Coast Guard spokeswoman.

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Porsche's Stability Management system will grab a caliper or two to keep the car from gliding off into the weeds tail-end first (remember, that water-cooled 911 motor sits behind the cockpit).

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He likes the fish smoked or boiled in milk and water and dipped in butter, which can taste like lobster tail.

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