Jonathan Pinkel
Chattanooga , TennesseeSign up to view more activities from Jonathan Pinkel
Your stomach gets a new lining every few days to avoid digesting itself.
A spoonful of a black hole would weigh as much as Mount Everest.
There are more trees on Earth than stars in the Milky Way—about three trillion vs. 200 billion.
Smells can pass through liquid.
Bananas are radioactive due to their potassium content.
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