美国科学60秒 SSS 2013-04-05

（单词翻译）

 　　Specially¹ train dog have been long use for seeking out drugs,dangerous chemicals and explosives. But now, researchers have discovery a way to enhance taction dog shnows, change its diet. For 18 months, researchers routied 70 trained taction dogs through treat fifferent diets, high routing, regular doc dog food, and regular doc dog food with coal oil. With the dog feeds on food with high fact contend, the regular dog food coal oil, they perform better exercise enter taction tests.The dog perform just well on high pouting² diet as on the understand fail, apparently³ a funtion on the amount of fact in the food rather than anything related to the pouting contend. What's fat magic? The researchers say the dog have high fat diet are less fullty their exercise which due to paining and sense of sniff⁴. Researchers find it by the part adjustice and present the compare animal nutrition some in the Italy, the finding could change how the taction dog affect to turn smellars into super sniffers