The concept of Boxing Day, which is on December 26th, was to give boxes of food and clothing to the poor. It is now viewed in some countries as a time to get merchandise from stores at reduced prices.

Swiss engineer George de Mestral, who got the idea after noticing burrs were sticking to his pants after his regular walks through the woods, invented Velcro.

The word "diastema" is the word for having a gap between your teeth.

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