社会交往短缺;社会福利的短缺

Have you ever thought about your biological clock? Never! No. Men don’t have to think about that. Men may not think about their biological clocks, but they should. There are some men whose biologica

发表于:2018-12-11 / 阅读(57) / 评论(0) 分类 万花筒2006年

Undocumented Syrian Refugees Suffer Deprivation UmSteif Aysa al Fadil, a Syrian mother of eight, gathers khubays, a leafy green vegetable, on the scrap of land she now inhabits outside Kilis in southern Turkey. This plant, which she will boil and fee

发表于:2019-01-14 / 阅读(47) / 评论(0) 分类 VOA标准英语2013年(三月)

Genetic Protection against Sleep Deprivation A study in The Journal of Neuroscience finds that people with a particular version of a gene called Period 3 are better able to handle sleep deprivation because more of their brains get involved in counte

发表于:2019-01-30 / 阅读(69) / 评论(0) 分类 60秒科学

科学家研究发现,与夜晚睡眠6至8小时的人相比,夜晚睡眠不足(sleep deprivation)6小时的人在65岁之前早逝的可能性增加12%。但这并不表明睡眠时间越长越好。研究人员还发现,夜晚睡眠超过9小

发表于:2019-02-05 / 阅读(27) / 评论(0) 分类 阅读空间

By Melinda Smith Washington 06 March 2008 Have you ever wished you could put aside your work just for a short nap? If so, you may be sleep deprived. Sleep experts saysleep deprivationis a common problem among many people who put in long hours on the

发表于:2019-02-08 / 阅读(19) / 评论(0) 分类 VOA标准英语2008年(三月)

More than one in eight U.S.adults finds it hard to stay away from the Internet for several days at a time and about one in 11 tries to hide his or her online habit,according to a study released on Tuesday.根据周二发表的一份研究报告

发表于:2019-02-18 / 阅读(35) / 评论(0) 分类 阅读空间