Have you ever thought about why people are ticklish? According to scientists, ticklishness is a defense mechanism humans developed against bugs, spiders, and other critters that may be touching our skin. Feeling ticklish is our built-in response to p

发表于:2019-01-02 / 阅读(34) / 评论(0) 分类 双语有声阅读

This is Scientific Americans' 60-Second Science. I'm Cynthia Graber . This'll just take a minute. You think we enjoy something based on its intrinsic qualities. Food should taste good because its molecules tickle our tongues. But it's much more compl

发表于:2019-01-08 / 阅读(62) / 评论(0) 分类 Scientific American(一)月

Carbonation Has a Taste In a study in the journal Science, researchers found that the taste buds for sensing sour also respond to carbonated beverages, because the fizz gets turned into chemical components, one of which is protons--basically simple,

发表于:2019-01-30 / 阅读(87) / 评论(0) 分类 60秒科学

Some take it seriously. Some bid it farewell just after the clock strikes twelve. Some call it a Second Chance to Dream with Eyes Open. New Year Resolution no one can deny having made some. 有人很重视它,有人新年钟声一响完就把它抛到

发表于:2019-02-02 / 阅读(58) / 评论(0) 分类 阅读空间

Puff daddy-- 《I need a girl》 Yeah, yeah Come on I need a, I want a I need a girl to ride, ride, ride I need a girl to make my wife I need a girl who's mine oh mine I need a girl in my life Yo, I'm internationally known on the microphone I got it a

发表于:2019-02-05 / 阅读(100) / 评论(0) 分类 音乐咖啡厅

Every morning at approximately 8:48 a.m., I pass itthe brick building that I visited many times as a child and that once seemed so grand, now a miniature playhouse in my mind. 每天早晨,大约8点48分的时候,我都会路过那栋砖砌的建筑

发表于:2019-02-13 / 阅读(46) / 评论(0) 分类 英语美文