Could Noah's ark really have happened?

Several ancient, religious texts cite the story of Noah, a man who erected a giant vessel, filled it with animals and endured a great flood. Did this event really ever occur?

One of the oldest stories in the world, the tale of Noah and his ark has crossed oceans and continents over millenniums. Versions float around in nearly every human culture, and Christianity, Islam and Judaism share the… » Full Story on HowStuffWorks