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 only species of turtle that lives in the open ocean is the sea turtle.

If we had the same mortality rate now as in 1900, more than half the people in the world today would not be alive.

AMAZING FACTS