Fact a Day #13

This fact is an interesting one.
We actually don't come to think of this

The opposite sides of a dice cube always add up to seven.

Want to know more about dice
Wikipedia is always there to help
http://en.wikipedia.org/wiki/Dice

Also credits to:
http://www.omgfactsonline.com/the-opposite-sides-of-a-dice-cube-always-add-up-to-seven/#
Thanks for a great picture