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Jan 30
Which European monarch once physically picked up another country's ruler? -
Jan 29
How accurate were astronomy predictions in the 1800s? -
Jan 28
What tree uses lightning to its advantage? -
Jan 27
How did the "paradoxical frog" get its name? -
Jan 26
What country's incarceration rate is so low it rents out prison cells? -
Jan 25
What famous scientist inspired the appearance of Yoda? -
Jan 24
Why do some athletes drink pickle juice instead of water? -
Jan 23
How can a lottery help stop tax evasion? -
Jan 22
How bright is a "full Earth" in the Moon's sky? -
Jan 21
Which U.S. president was a published mathematician?