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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
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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
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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
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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
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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
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