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  • SSS 2009-10-05

    The 2009 Nobel Prize in physiology or medicine goes to Harvards Jack Szostak, Johns Hopkinss Carol Greider and Elizabeth Blackburn at U.C. San Francisco for their work on how chromosomes are protected by telomeres and the enzyme telomerase. The Nobel...

  • 2007年VOA标准英语-Protective Nets Keep Sharks at Bay in Durban, S

    By Scott Bobb Durban 14 June 2007 South Africa boasts some of the most beautiful beaches in the world,which attract millions of tourists each year. A series of fatal shark attacks in the Durban area in the 1940s led local authorities to install shark...

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