The rarest coffee in the world is Kopi Luwak, which is found in Indonesia. It cost about $300 a pound.

Former U.S. President Ronald Reagan once wore a Nazi uniform while acting in a film during his Hollywood days. The name of the movie was "Desperate Journey," which was filmed in 1942.

The first modern toothbrush was invented in China. Its bristles came from hogs hair or the mane of a horse that were then put into ivory handles.

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