GREEN
03/16/2012 07:41 pm ET

Where Do Fruit Flies Come From?

It often seems like fruit flies just appear out of nowhere. In fact, it appeared that way to so many people that they believed that fruit flies were a product of spontaneous generation -- spawned supernaturally from rotting fruit or meat. This theory was disproved a few hundred years ago and we now know the truth about these tiny nuisances -- I mean creatures.

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