A Yoghurt's got culture!
A: One's a glueless kit and the other's a clueless git!
If you put a puppy in a room by itself for an hour it'll probably stop whining.
If you leave Yogurt alone for 200 years, it develops a culture.
If you leave a pot of yogurt alone for 200 years it develops a culture.
If left for 400 years, the yoghurt will develop a culture.
Leave a yoghurt out in the sun for 300 years and it'll develop a culture
From Jason's Doner Van. (Sorry, I'm guessing this one's only for the Aussies and Brits)