- You burn more calories sleeping than watching TV.
- Warthogs live for 15 years.
- The tallest mammal is the giraffe.
- A giraffe can clean its ears with its 21 inch tongue.
- 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..
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