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.

An adult gorilla is about 1 meter tall to their shoulders when walking on all fours using their arms and their legs.

A women from Berlin Germany has had 3,110 gallstones taken out of her gall bladder.

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