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12-05-10 estimates of whale population size based on genetics versus historical records diverge greatly, making it difficult to fully understand the ecological implications of the large-scale commercial whaling of the 19th and early 20th centuries, but a com...

12-04-11 almost half of brazil's population is now overweight or obese, a government study has found. 巴西政府的一项研究发现，近半数人口超重或肥胖。 from 2006 to 2011, the proportion of brazilians who were overweight went up from 42.7% to 48.5%. the health m...

12-03-14 how often do you have a really strong gut instinct and it proves to be wrong? how often do you override（推翻，践踏） that instinct and then kick yourself later on? my guess would be that if you're anything like the people that come to me for life c...

12-03-08 more than 99 percent of antarctic blue whales were killed by commercial whalers during the 20th century, but the first circumpolar（极地附近的） genetic study of these critically endangered whales has found a surprisingly high level of diversity amo...

12-02-22 a small population of rattlesnakes（响尾蛇） that already is in decline in southern illinois faces a new and unexpected threat in the form of a fungus rarely seen in the wild, researchers report. the eastern massasauga rattlesnake (sistrurus catenat...

12-02-06 nationwide population census 全国人口普查 door-to-door interviews/door-to-door household survey 入户摸底调查 census enumerators 人口普查员 confidentiality agreements 保密协议 beijing permanent residency/hukou 北京市常住户口 household register 户口登...

11-12-03 record numbers of young japanese do not have boyfriends or girlfriends, and many do not want one, according to a survey by the country's government. 根据日本政府的一项调查，没有男友或女友的日本年轻人的数量创下历史新高，而且许多人不想交男女朋友。 six...

11-11-18 for the first time, non-white people make up the majority of brazil's population, according to preliminary results of the 2010 census. 根据巴西2010年人口普查初步结果显示，非白种人首次占据大部分巴西人口总数。 out of around 191m brazilians, 91 million...

11-10-22 the world's population looks set to smash through the seven billion barrier in the next few days, according to the united nations. 联合国的数据显示，世界人口在几天后就会突破70亿大关。 it comes just 12 years since the total reached six billion - with...

11-10-07 over the next decade, the population of cancer survivors over 65 years of age will increase by approximately 42 percent. we can expect a dramatic increase in the number of older adults who are diagnosed with or carry a history of cancer, said julia...