The first shuttle was actually the Space Shuttle Orbiter Enterprise, named after the famous star ship in the Star Trek television series. It was a drop-test vehicle released from a Boeing 747 in midflight. The Enterprise made five successful free-flight tests prior to Columbia’s history-making maiden flight into space.
Windmills always turn counterclockwise.
A hedgehog’s heart beats 300 times a minute on average.
Camels have three eyelids to protect themselves from blowing sand.
The placement of a donkey’s eyes in its’ head enables it to see all four feet at all times.