- Cucumbers are 96% water..
- The Hindu-Arabic numeral system began developing as early as the 1st century with a full system being established around the 9th century, forming the basis of the numerical digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 that we use today..
- Bottle nosed whales can dive to a depth of 915 metres (3,000feet) in 2 minutes.
- Crocodiles are colour blind.
- Hypnotism is banned in public schools in San Diego (U.S.).
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