A few cool facts:

- The word 'salary' comes from salarium, the pay Roman soldiers received for the purchase of salt.

- Salt is the only edible rock.

-  In Iran, to break an oath is to be 'untrue to salt'.

- Many American roadways began as paths blazed by buffalo traveling to natural salt licks.

- During the Middle Ages the size of the salt cellar indicated the wealth of the household.

-  A salt tax called the gabelle led to the French Revolution.

- In small amounts, salt makes sweet foods taste sweeter.