5.1. In ancient Russia frogs were kept in milk to preserve it thanks to the peptides in the frogs skin.
5.2. Lactose intolerance is more common in Asian populations than in European ones
5.3. It's said that Gorgonzola was created by mistake in the Middle Ages, when a cheesemaker forgot to mix the fresh curd with the previous day's.From that "lucky mistake" came one of Italy's most famous cheeses.
5.4. An ancient legend tells that Queen Cleopatra bathed in milk as a beauty trtrattamenti to make her skin soft, smooth and to combat irtitation
5.5. butter was used as fuel for lamps in ancient times