单词:segmental venter
单词:segmental venter 相关文章
By Scott Bobb Johannesburg 24 March 2008 As the world marks international Tuberculosis day, a new study has revealed a frightening rise in the past 15 years in tuberculosis cases in Africa. Correspondent Scott Bobb reports from our Southern Africa Bu
BOB DOUGHTY: This is SCIENCE IN THE NEWS, a program in VOA Special English. Im Bob Doughty. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today we tell about the development of what scientists are calling a synthetic cell a cell produced by people inste
By Scott Bobb Johannesburg 29 November 2006 As people around the world mark World AIDS Day, December 1, the government of South Africa is to announce an ambitious five-year plan to combat the disease, which is estimated to infect 11 percent of the p
South Africas national government protocol requires state health facilities to provide antiretroviral medication to ill, HIV-infected people. However, independent health groups continue to receive reports of HIV-infected people dying because certain
AILSA CHANG, HOST: Former South African President Nelson Mandela would have been 100 years old tomorrow. He died in 2013, and a new book is marking his centennial. It's called The Prison Letters Of Nelson Mandela. These deeply personal letters were c
US scientists have stripped life back to its bare essentials creating a synthetic microbe with the absolute minimum genetic information needed to grow and reproduce. 美国科学家将生命的多余部分剔除,只留下最基本的要素,由此创
台湾籍旅美老师今天交给我们的句子是: As a result, humans have adapted to find certain traits aesthetically pleasing and downright adorable in an effort to increase interaction, care and protection from parents. 因此人类发展出某