- Curly hair follicles are oval, while straight hair follicles are round.
- Even with wings, humans would be unable to fly.
- There are only 3 sets of letters on a keyboard which are in alphabetical order (f g h, j k l, and o p).
- Pop corn was invented by the Aztec Indians.
- 'underground' is the only word that begins and ends with the letters 'und'.
- Crocodiles never outgrow their enclosure.
- Here is Pi written to 100 decimal places:
3.1415926535897932384626433832795028841971693993751
058209749445923078164062862089986280348253421170679.
- The doorbell was invented in 1831.
- Sharks have been on Earth for over 400 million years.
- The average hen lays 228 eggs a year.
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