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Why Is the Other Side of the Pillow Always Cooler?
Today’s Wonder of the Day is one of the coolest you’ll ever read!
Why Is the Other Side of the Pillow Always Cooler?
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How Much Can the Temperature Swing in a Single Day?
Join us in Wonderopolis today for a cool new Wonder of the Day that’s hot stuff!
How Much Can the Temperature Swing in a Single Day?