The world's oldest map guides travelers to 'Noah's Ark' that is believed to be on a mountain in Turkey. The 3,000-year-old clay tablet was etched with a writing system that used wedge-shaped symbols.

The clay tablet was discovered in the Middle East before being acquired by the British Museum in 1882. Ever since its finding ...

You can type a degree symbol with your keyboard using key combinations on a computer or numerical keyboard menus on a phone or tablet. For instance, on a PC you can use the numpad code Alt + 0176 ...