Jonathan Pinkel
Chattanooga , TennesseeSign up to view more activities from Jonathan Pinkel
The world’s oldest dog lived to 29.5 years old
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.
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