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[時差N小時] 時差N小時:喝尿是安全的嗎?(上)
Time go again to the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Is it OK to drink urine? Not that I want to, I’m just curious. Well, the short answer is yes if yo2012-01-17 編輯：beck
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[時差N小時] 時差N小時:咖啡漬的奧秘(下)
Why is that? It’s because the edges of the spill are where the fluid is at its thinnest. A spill sitting on a flat surface is something like a pancake. Big in the middle and thin on the rim. As2012-01-16 編輯：beck
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[時差N小時] 時差N小時:咖啡漬的奧秘(上)
Next time you spill a little, let the coffee dry before wiping it up. You’ll notice that after it dries there is a darkish ring around the very edge of the spill, whereas the middle disappears2012-01-13 編輯：beck
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[時差N小時] 時差N小時:戒煙的最好辦法(下)
However, the effect was short lived. Within three months, both groups of callers were more or less equal when it came to how many had remained smoke-free. The researchers are optimistic, though, that2012-01-12 編輯：beck
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[時差N小時] 時差N小時:戒煙的最好辦法(上)
We all know that smoking is unhealthy. But what’s the best way to get someone to quit? By harping on the dangers of lighting up, or by touting the benefits of kicking the habit? According to on2012-01-11 編輯：beck
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[時差N小時] 時差N小時:少吃鹽對健康有益(下)
But it’s worth trying to eat less. In one study, researchers used computer models to see how less salt could affect teens’ health. One result showed that reducing salt consumption by as l2012-01-10 編輯：beck
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[時差N小時] 時差N小時:少吃鹽對健康有益(上)
I know it’s a good idea for adults to watch how much salt they eat, especially if they’re at risk for high blood pressure. But what about kids? Should parents cut back on how much salt th2012-01-09 編輯：beck
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[時差N小時] 時差N小時:基因"食譜"(下)
No matter what your cell was doing before, it will stop its healthy functioning and make only viruses, following the viral recipe until it runs out of raw materials. Then your once healthy cell burst2012-01-05 編輯：beck
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[時差N小時] 時差N小時:基因"食譜"(上)
To stay healthy, your cells must continuously perform a wide variety of chemical tasks. Your DNA genes, in the nucleus of every cell, help orchestrate this activity. A cell uses its genes as a kind o2012-01-04 編輯：beck
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