If you take a pencil, you can draw a 50 kilometer (31 mile) long line. See more

The animal that lived longest of all was a turtle. It lived to become the respectable age of 188 years. See more

Calculating DNA length for each person, it would stretch across the diameter of the solar system. See more

The longest recorded flight of a chicken is 13 seconds. See more

The 'save' icon on Microsoft Word shows a floppy disk, with the shutter on backwards. See more

A day on the planet Mercury is twice as long as its year. See more