There's a fine line between a moment of genius and a moment of madness, and this falls squarely in the genius category.
London-based scientists will turn pigeon waste into soap in an attempt to clean up the streets.
"The bird will be fed a specially-designed diet." says the following video. "The individuals behind the idea claim they are using synthetic biology to create the bacteria that will modify the metabolism of the birds."
The birds will be fed a special diet to include a bacteria known as Lactobacillus. Changing the digestive process, the birds will not be leaving behind just useless crap, but something street cleaners can use.
Pigeons hit the news recently when newly declassified documents revealed that British spy division MI5 wanted to use the flying rats as radio-controlled messengers.