- That you can spell the word 'level' the same backwards.
- Macadamia nuts are toxic to dogs.
- Recycling one glass jar saves enough energy to watch TV for 3 hours.
- A 15th anniversary is called a quindecennial.
- A rainbow can only be seen in the morning or late afternoon.
- The pupils in goats' eyes are rectangular.
- Caterpillars have over 2,000 muscles.
- OMG was added to dictionaries in 2011, but it's first known use was in 1917.
- The human body of a 70 kg person contains 0.2mg of gold.
- The ideal temperature to fall asleep is between 18-30c (64-86f).
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