This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(59) / 评论(0) 分类 Scientific American(一)月

发表于:2019-01-03 / 阅读(48) / 评论(0) 分类 医务英语

Africa Pro-Democracy Advocates Evaluate U.S. Conventions For much of American history, political party conventions were spontaneous and unpredictable, with lively debates between delegates over who should be named to the top of the ticket. Today, par

发表于:2019-01-13 / 阅读(123) / 评论(0) 分类 VOA标准英语2012年(九月)

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(75) / 评论(0) 分类 经济学人科技系列

Science and Technology Creutzfeldt-Jakob disease Breaking down the barrier 科技 克雅氏病 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-cow dis

发表于:2019-01-26 / 阅读(63) / 评论(0) 分类 经济学人科技系列

More than a million people remain without electrical power and other normal services nearly five days after Hurricane Ike passed over the Houston-Galveston area. As VOA's Greg Flakus reports from Houston, tensions are growing between various governm

发表于:2019-02-12 / 阅读(126) / 评论(0) 分类 VOA标准英语2008年(九月)