In ancient Egypt, doctors used jolts from the electric catfish to reduce the pain of arthritis.

The YKK on the zipper of your Levis stands for Yoshida Kogyo Kabushibibaisha, the worlds largest zipper manufacturer.

Crocodiles and alligators are surprisingly fast on land. Although they are rapid, they are not agile. So, if being chased by one, run in a zigzag line to lose him or her.

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