Dogs have a remarkable sense of smell, they are capable of differentiating odors in concentrations nearly 100 million times lower than humans can.

Reindeer drink urine because salt is rare in their harsh climate. In fact, when Siberian sled masters want to gather their reindeer to hook up to the sled, they urinate to attract the reindeer.

The Nile river is 6,690 kilometers long.

A M A Z I N G   F A C T S