- Forty is the only number whose letters are in alphabetical order.
- A cats urine glows under a blacklight.
- 12 + 3 - 4 + 5 + 67 + 8 + 9 = 100.
- The Earth weighs 6,588,000,000,000,000,000 tons.
- Albert Einstein never knew how to drive a car.
- The average person takes 23,000 breaths a day.
- The dollar values on the board game Monopoly have been the same since 1935.
- DVDs are physically the same size as a CDs but can store 13 times more data.
- An octopus pupil is rectangular.
- You can buy square watermelons in Japan (developed to stack better in supermarkets).
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