Bird FluHere are some of the most common ques-tions about bird flu and travel:Q:What is bird flu?A:It is an infection among birds that istransmitted through saliva(唾液),nasal secretions(鼻腔分泌物)and feces(粪便),acc...
Two studies suggest that the human braincontinues to change through the process of evo-lution. The findings conflict with a common be-lief that the brain has evolved about as much as itever will.Scientists say modem h...
Every day,we are all influenced by themass media.Although some critics of the mediaclaim that these means of communication areused mainly to control our thinking and get usto buy products that we don’t need,the media...
Break Your Bad MoodHaving one of those days or weeks——when everything seems to annoy you? Even ifyou do nothing about it,your bad mood willprobably go away after some time.But with alittle effort,you can forget it m...
Social Changes in Women’s LivesThe greatest recent social changes have beenin the lives of women.During the twentiethcentury there has been a remarkable shorteningof the proportion(比例,比率)of a woman’slife spent i...
In America, seldom do you go anywherewithout hearing a principle called WIN-WIN.Itsounds strange to me at first because throughoutmy childhood,I have always been taught to tryeverything possible to win an upper-hand,r...
Lady, Are You Rich?It was Thanksgiving morning and in thecrowded kitchen of my small home I was busypreparing the traditional Thanksgiving turkeywhen the doorbell rang.I opened the front doorand saw two small children...