Condoms were originally made of animal intestines or linen.
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Dogs have been man's pet for over 14,000 years.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
The station master and operating officer at the Kishi Station, Japan, is a cat!
18