The phrase rule of thumb is derived from and old English law which stated that you couldnt beat your wife with anything wider than your thumb.

The Pittsburgh Steelers were originally called the Pirates.

The placement of a donkeys eyes in its head enables it to see all four feet at all times!

The placement of a donkeys eyes in its heads enables it to see all four feet at all times.

The population of the Earth has more than doubled since 1950.

The poison-arrow frog has enough poison to kill about 2,200 people!

The powder on chewing gum is finely-ground marble.

The practice of identifying baseball players by number was started by the Yankees in 1929.

The praying mantis is the only insect that can turn its head!

The Queen Mary – the grandest vessel of her day – had many of her vital components made by car manufacturer Skoda!