Sharks and rays are the only animals known to man that don't get cancer. Scientists believe this has something to do with the fact that they don't have bones, but cartilage.

Japanese research has concluded that moderate drinking can boost IQ levels.

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.

AMAZING FACTS