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SSS 2008-06-25

时间:2010-05-14 02:52来源:互联网 提供网友:0922013129   字体: [ ]
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    (单词翻译:双击或拖选)

This is Scientific American's 60-Second Science. I’m Steve Mirskey. Got a minute?


That morning coffee is just the thing to get the brain in gear and the body moving. But it turns out that just the aroma1 of coffee also gets some of our genes2 up and at them. That's according to research in the June 25th issue of the Journal of Agricultural and Food Chemistry. The authors report that a sniff3 of coffee turns on several genes in the brain in ways that help diminish the impact of sleep deprivation4, in rats at least. Rats that were stressed by lack of sleep were exposed to the smell of coffee. 17 different genes got activated5 in their brains and 13 of them produce proteins known to protect nerve cells from the damaging effects of stress. While there have been numerous studies analyzing6 the health impact of the ingredients ingested when drinking coffee. The researchers say that this is the first study to examine the effects of coffee's aroma. So maybe you don't have to shell out that 4 dollars for the Latte, just walk by the counter,"smell the honest coffee smell, ahhh, smell it".


Thanks for the minute for Scientific American 60-Second Science. I’m Steve Mirskey.


点击收听单词发音收听单词发音  

1 aroma Nvfz9     
n.香气,芬芳,芳香
参考例句:
  • The whole house was filled with the aroma of coffee.满屋子都是咖啡的香味。
  • The air was heavy with the aroma of the paddy fields.稻花飘香。
2 genes 01914f8eac35d7e14afa065217edd8c0     
n.基因( gene的名词复数 )
参考例句:
  • You have good genes from your parents, so you should live a long time. 你从父母那儿获得优良的基因,所以能够活得很长。 来自《简明英汉词典》
  • Differences will help to reveal the functions of the genes. 它们间的差异将会帮助我们揭开基因多种功能。 来自英汉非文学 - 生命科学 - 生物技术的世纪
3 sniff PF7zs     
vi.嗅…味道;抽鼻涕;对嗤之以鼻,蔑视
参考例句:
  • The police used dogs to sniff out the criminals in their hiding - place.警察使用警犬查出了罪犯的藏身地点。
  • When Munchie meets a dog on the beach, they sniff each other for a while.当麦奇在海滩上碰到另一条狗的时候,他们会彼此嗅一会儿。
4 deprivation e9Uy7     
n.匮乏;丧失;夺去,贫困
参考例句:
  • Many studies make it clear that sleep deprivation is dangerous.多实验都证实了睡眠被剥夺是危险的。
  • Missing the holiday was a great deprivation.错过假日是极大的损失。
5 activated c3905c37f4127686d512a7665206852e     
adj. 激活的 动词activate的过去式和过去分词
参考例句:
  • The canister is filled with activated charcoal.蒸气回收罐中充满了活性炭。
6 analyzing be408cc8d92ec310bb6260bc127c162b     
v.分析;分析( analyze的现在分词 );分解;解释;对…进行心理分析n.分析
参考例句:
  • Analyzing the date of some socialist countries presents even greater problem s. 分析某些社会主义国家的统计数据,暴露出的问题甚至更大。 来自辞典例句
  • He undoubtedly was not far off the mark in analyzing its predictions. 当然,他对其预测所作的分析倒也八九不离十。 来自辞典例句
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