- African Grey Parrots have vocabularies of over 200 words.
- Emus can't walk backwards.
- Men change their minds 2 to 3 times more than women (women tend to take longer to make a decision but once they do they are more likely to stick to it).
- Swiss mathematician Leonhard Euler was probably the most influential mathematician of the 18th century, making discoveries in graph theory and introducing many modern mathematical words and notations among other things..
- According to the old English time system a moment is 1 and a half minutes.
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