When does a theory become a fact and who decides?
Can a theory ever become a fact? Our readers weigh in
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Can bullets fired in the air cause injury when they return? (part 2)
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This week鈥檚 new questions
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If mosquitoes were eradicated, what would be the consequences?
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Is it just a coincidence that there are two dippers in the night sky?
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Aside from our perception, how can we know that time exists?
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This week鈥檚 new questions
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When is the right time to panic?
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Does simmering versus boiling make a difference when cooking?
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Could we run out of musical note combinations? (continued)
One reader nails this question by introducing the inimitable piece 4鈥�33鈥� by composer John Cage, which contains no notes at all
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This week鈥檚 new questions
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Can bullets fired upwards cause injuries when they return to earth?
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How complex does an organism have to be to exhibit free will?
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What is the smallest whole number with no interesting properties?
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