- The first vacuum was so large, it was brought to a house with horses.
- The golden ratio of approximately 1.618 between two quantities such as lengths often appears in nature (tree branching, uncurling ferns, pine cone arrangements etc) and has been used throughout history to create aesthetically pleasing designs and art works such as Leonardo da Vinci's Mona Lisa.
- A squid has 10 tentacles.
- Dolphins sleep with one eye open.
- Greeks constructed aesthetically pleasing buildings and artworks based on the golden ratio of approximately 1.618.
- Venetian blinds were invented in Japan.
- The average Americans diet consists of 55% junk food.
- A violin contains over 70 separate pieces of wood.
- There are over 320 species of parrots.
- Dolphins are unable to smell.
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