The arched lower lip of a whale can often make it look like it is smiling! However, this isn't a "real" smile as the blubber in the head of the whale prevents the muscles of the face from reaching the surface.

The nut "filbert" got its name from St. Philbert which is celebrated on August 22nd, which is also when the nut matures.

It wasn't until the 16th century that most mathematical symbols were invented. Before this time math equations were written in words, making it very time consuming.

AMAZING FACTS