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- 42Is today's unemployment worse than the Great Depression?
- 29Is voter fraud practically non-existent in the United States?
- 22Is it possible to stack liquids of different density scale on top of each other?
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- 20Where does the 'C' in exhaled CO₂ mostly come from?
- 19Can the third sex be categorized as Male or Female?
- 18Human evolution: Where *exactly* did the first human come from, whose parents were not?
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2 Should we [always] ask for references? sep 1 '12