15. The blind instinctively smile despite having never seen a smile themselves.
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16. Every year the Netherlands sends 20,000 tulip bulbs to Canada to thank them for their aid in the Second World War
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17. Male puppies will let female puppies ''win'' when they play fight
18. In 1957, a BBC news program ended with a three minute segment about a spaghetti farm in Switzerland where spaghetti grew on trees. Many people fell for the hoax and contacted the BBC to ask how to grow their own. Their response: ''Place a sprig of spaghetti in a tin of tomato sauce and hope for the best.''