The Arctic Tern, which is a small bird, can fly a round trip from the Arctic to the Antarctic and back. This can be as long as twenty thousand miles per year. This is the longest migration for a bird.

The reason why bubble gum is pink is because the inventor only had pink colouring left. Ever since then, the colour of bubble gum has been predominantly pink.

Before 1687 clocks were made with only an hour hand.

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