- An ostrich's eye is bigger than its brain.
- The doorbell was invented in 1831.
- The night vision of tigers is 6 times better than humans.
- Dragonflies have six legs but cannot walk.
- Almonds are members of the peach family.
- China manufacturers 70% of the worlds toys.
- A group of rhinos is called a crash.
- The revolving door was invented in 1888.
- A pearl can be dissolved by vinegar.
- The basic arithmetic operations used in mathematics are addition, subtraction, multiplication and division.
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