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August 17, 2007

Jim: Life’s A Gas

Preceded by resonant honking and shining against an azure sky, an inverted V of white geese flew north.

I stopped to watch their stately progress and said, “I once read that waterfowl instinctively fly in that V formation to take advantage of air pressure differences spinning off the wingtips of the lead flyer. It’s such an excellent strategy for long migratory flight that the whole process is built into your genetic code.”

“I guess that’s one theory, Fred,” replied the green-headed duck. “But I always thought we flew like that in case the bird ahead of us decides to fart.”

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