15. The blind instinctively smile despite having never seen a smile themselves.
16. Every year the Netherlands sends 20,000 tulip bulbs to Canada to thank them for their aid in the Second World War
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.''