So what does science tell us about what a few moments on the floor means for the safety of your food?

那么，科学告诉我们地板上的几分钟对你的食物安全意味着什么呢？

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What does science tell us about what a few moments on the floor means for the safety of your food?

关于掉在地上的几秒钟对于我们的食物安全有何影响这个问题，科学告诉了我们什么呢？

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Safety comes first for science lab class.

安全是科学实验课的第一要务。

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Caroline Smith DeWaal, director of food safety for the Washington DC-based Center for Science in the Public Interest.

VOA: standard.2010.05.27

The science confirming the safety of BPA in food packaging is very strong, yet some advocates find it somewhat unsettled.

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The data showed the average forces of a soccer-ball header were similar to those exerted on the head by punches from amateur boxers, according to Daniel Plant, a researcher in Imperial's department of mechanical engineering, who presented the data Friday at a helmet-safety science conference at the university.

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Companies are legally obliged to inform the FDA of such findings from their own testing, said Caroline Smith DeWaal, director of food safety for Center for Science in the Public Interest.

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