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Showing posts from 2019
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Life span and heart rate 수명과 심장 박동수

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Year of the Rat in 2020 2020년 쥐의 해

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Foldable microscope made of paper 종이로 만든 접이식 현미경​

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The best team is what's different

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Lincoln, the President who wrote the soldier's letter.

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Gerald Ford

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A Roman tale

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Fox and wolf

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Great organization

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Nationality of people around the world

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Swiss Guard and Pope

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Poland and Switzerland

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Errors of common sense

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Beethoven's anecdote

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Details

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Jim Rogers

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Financial disasters

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Secretary of State Seward and Lincoln

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Australian rabbit

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What each country does not have