- The average age at which America's presidents have taken office is 54.
- A bolt of lightning can reach roughly 50,000 degrees Fahrenheit.
- Albert Einstein never knew how to drive a car.
- An astronaut can be up to 2 inches taller returning from space (the cartilage disks in the spine expand in the absence of gravity).
- A Chinese checkerboard has 121 holes.
- Your fingernails grow faster when you are cold.
- There are over 15,000 different kinds of rice.
- Myrmecophobia is the fear of ants.
- Archimedes of Syracuse lived around the year 250 BC and among other things, developed a method for determining the volume of objects with irregular shapes.
- A group of frogs is called an army.
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