- Pelicans consume around a 1/3 of its body weight in a single meal.
- The electric toothbrush was invented in 1939.
- Archimedes of Syracuse lived around the year 250 BC and played a large role in the history of geometry including a method for determining the volume of objects with irregular shapes..
- A whip makes a cracking sound because its tip moves faster than the speed of sound.
- Crocodiles continually grow new sets of teeth to replace old ones.
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