- The opposite of a 'vacuum' is a 'plenum'.
- There are over 100 different viruses that cause the common cold.
- Only pregnant females polar bears hibernate.
- In a deck of cards the king of hearts is the only king without a moustache.
- A camel can drink 25 gallons of water in less than three minutes.
- A lobsters blood is colorless but when exposed to oxygen it turns blue.
- Hilton was the first international hotel chain.
- The coins thrown into the Trevi fountain in Italy are collected for charity.
- If you could drive to the sun at a speed of 88.5 km/h (55 mp/h) it would take around 193 years.
- Every ton of recycled paper saves about 17 trees.
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