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EXPLORATIONS - National Museum of the American Indian

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This is Scientific Americans 60-Second Science. Im Karen Hopkin, this will just take a minute. Anyone whos ever cut up an onion knows that some smells can actually be painful. Now, researchers from Baltimore and Denver are closer to understanding why

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学英语单词

4-acetoamido-1-naphthol

acanthaphritis unoorum

acid swollen sole leather

bearing anti-friction layer

behn

benney