- 1 nautical knot equates to 1.852 Kph (1.150 mph).
- Men are stuck by lightning 7 times more than women.
- In 2015, the Oxford word of the year was the tears of joy emoji.
- 40% of Amsterdam commuters get to work by bicycle.
- The human eye can detect more shades of green that any other colour.
- Coca-Cola originally contained cocaine.
- Petrol has no specific freezing point (it can freezes at any temperature between -82 and -115C (-180 and -240F).
- The humming bird is the only bird that can fly backwards.
- Bananas contain no fat, cholesterol or sodium.
- The revolving door was invented in 1888.
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