This is an old one, and I'm surprised it didn't turn up when I did a search on your site. It has to do with boiling frogs. Goes something like this: If you tossed a frog into already-boiling water, it ...

For centuries, frogs have been victims of experimentation by the medical community. Now, even psychologists are after them. Here’s an oft-repeated tale. A live frog is placed into a pot of boiling ...