- Pearls melt in vinegar.
- Sea otters hold each other's paws while sleeping so they don't drift apart.
- The makers of the board game Monopoly print over 50 billion dollars worth of Monopoly money every year.
- Recycling one glass jar saves enough energy to watch TV for 3 hours.
- 93% of households in Denmark consume wine (the highest % in the world with France second with 85% of households).
- Hawaii is the only US state that grows cacao beans which go into the production of chocolate.
- A nanosecond is one billionth of a second.
- Polar bears can smell a seal from 20 miles away.
- Dogs can make about 10 sounds, while cats make about 100.
- From 2010 to 2017, every tweet was archived by the Library of Congress.
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