The 1st nuclear-powered submarine, the Nautilus, commissioned by the United States Navy in 1954, made her maiden voyage on Jan. 17, 1955.

The oldest word in the English language is 'town'

The scorpion fish can merge the shape of its head with the surrounding rocks

Armadillos have four babies at a time and they are always all the same sex

The keyboard we use, developed in 1867, began with keys in alphabetical order It was modified to prevent the jamming of keys, and evolved into the configuration we use today Better ways of placing the alphabet have been developed, but no one can sell them

"Pnigophobia" is the fear of choking on fish bones.

The only bird that can fly backwards is the hummingbird.

Sir Winston Churchill was a prisoner-of-war during the Boar War

Ketchup was once sold as a medicine

Britain's present royal family was originally named Saxe-Coburg and Gotha. The name was changed in 1917, during WW1 because of German connotations. The name Windsor was suggested by one of the staff. At the same time the Battenberg family name of the cousins to the Windsors was changed into Mountbatten.