The postage rate for a letter in 1693 was determined through how much light could pass through the letter. The postage rate would be more expensive if less light went through, and this process was called candling.

Some birds have been know to put ants into their feathers because the ants squirt formic acid, which kills parasites.

The word "Denim" comes from the French phrase "serge de Nimes" which is a fabric made in a town located in southern France.

AMAZING FACTS