1. Look at your zipper. See the initials YKK? It stands for Yoshida Kogyo
Kabushibibaisha, the world's largest zipper manufacturer.
2. A raisin dropped in a glass of fresh champagne will bounce up and down
continuously from the bottom of the glass to the top.
3. A duck's quack doesn't echo. No one knows why.
4. 40 percent of McDonald's profits
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