The "Sandcastle Effect" was identified by researchers at the University of Notre Dame, Indiana and first published on June 18, 1997. It explained why sandcastles do not collapse after the sand in them has almost totally ...Read More

As the game is played, each player character (PC) grows and changes as they gain experience. To represent this, PCs are awarded an appropriate number of experience points (XP) when they defeat an enemy or accomplish a ...Read More

The footprints left by the Apollo astronauts will not erode since there is no wind or water on the Moon. The footprints should last at least 10 million years.

Rudolph the Red-Nosed Reindeer. May wrote the lyrics as copy for a Montgomery Ward department store giveaway. In 1947 it was set to music, and recorded by Gene Autrey.

The modern Christmas custom of displaying a wreath on the front door of one's house, is borrowed from ancient Rome's New Year's celebrations. Romans wished each other "good health" by exchanging branches of evergreens. ...Read More

The pharaohs of ancient Egypt wore garments made with thin threads of beaten gold. Some fabrics had up to 500 gold threads per one inch of cloth.