Jonathan Pinkel
Chattanooga , TennesseeSign up to view more activities from Jonathan Pinkel
The Leaning Tower of Pisa took nearly 200 years to build—and started leaning before it was finished.
Snow can be pink due to algae growth—it’s called watermelon snow.
The Earth’s core is as hot as the surface of the sun—about 10,800°F
A certain type of fungus turns ants into zombies to spread its spores
The moon is drifting away from Earth at about 1.5 inches per year
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