The Power Rangers command center is a real building located in a California University.
4
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
13
If you place a ripe banana next to a green tomato, the tomato will ripen due to the ethylene gas produced by the banana.
16
An artist in Iowa named Patrick Acton built a complete model of Hogwarts out of matchsticks.
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