SSS 2012-02-07(在线收听

 This is Scientific American's 60-Second Science.

American is still far short of the recommend daily portions of food and vegetables, and kids are no ...veggies at school cafateria. So researches tested whether visual cuse at hopeful foods could increase consumption at great school with it's strict. 
First scientists determined how many kids put carrots and green beans on the trays and how much them. Three months later they did same .., but on the second day, the trays had pictures of carrots and green beans on the trays compartment. On the day with the photo cuse more than twice many kids took green beans on the control day, and more than three times many kids took carrots. Averge consumption per strict went up well. The study was published in the general The America Association. The researchers know that the fact need to be tested elsewhere for longer than two days and they are not emergency, still meet the government recommendations. But if pictures of burgers consumpt median mills, maybe fresh food veggie photoes can play a part of campaign for help the kids.
 
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  原文地址:http://www.tingroom.com/lesson/sasss/2012/2/172965.html