Spiked and studded dog-collars derive from the days of the Ancient Greeks, who would give their sheep-dogs sharply spiked collars to protect their necks from wolves whilst they watched over a Sheppard's flock at night.

The chewing gum Juicy Fruit has 10 calories. This is approximately the same as a bite of whole wheat bread.

A lion's roar can be heard from five miles away.

AMAZING FACTS