This short animated video answers the age old question of how a bean becomes a fart.
On the way to realizing their dreams.
It's every bean's dream. From the first day it appears as a fresh sprout on a sun-drenched beanstalk, a young bean knows one thing: it will one day become an ethereal cloud of flatulence in the wind. You see, for a bean, turning into a fart is a little like how a caterpillar turns into a butterfly. It's how it leaves the ground behind and sails gracefully into the sky. Except a fart is better than a caterpillar, because it never has to land on a tree branch. It can just keep sailing higher and higher up into the sky. It's quite beautiful.
That said, here's a very brief video that attempts to explain the science behind nature's most wondrous transformation:
(by Dennis DiClaudio)