The 'save' icon on Microsoft Word' shows a floppy disk, with the shutter on backwards.
_____________________
A duck's quack doesn't echo, and no one knows why.
_____________________
The only 15-letter word that can be spelled without repeating a letter is 'uncopyrightable'.
_____________________
Facetious and abstemious contain all the vowels in the correct order, as does arsenious, meaning 'containing arsenic'.
_______________________
Emus and Kangaroos cannot walk backwards and are on the Australian coat of arms for that reason.
_______________________
Cats have over one hundred vocal sounds, while dogs only have about ten.