- Astronauts can't burp in space.
- From 2010 to 2017, every tweet was archived by the Library of Congress.
- 99% of our solar system's mass is the sun.
- You can tell a turtle's gender by the noise it makes. Males grunt and females hiss.
- The first sailing boats were built in Egypt.
- The most popular snack food is potato chips.
- Brazil is named after a tree.
- The D.C. in Washington D.C. stands for District of Columbia.
- Half of all crimes are committed by people under the age of 18.
- Early tales of leprechauns reported red clothing.
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