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  • VOA标准英语2010年-Health Care Activists Press for Cancer

    What is really scary is the WHO says that 70% of the new cancers that will be seen in the future are going to be affecting individuals in the developing nations -- the so-called poorer segments of the world. I am sure Nigeria is one of them. The Worl...

  • SSS 2009-02-12

    This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? February 12th is the 200th birthday of Charles Darwin and Abraham Lincoln. But theyre linked by something else, too. Before Darwin, natural philosophers held to a poin...

  • SSS 2008-05-05

    This is Scientific American's 60-Second Science, Im Steve Mirsky. Got a minute? Biologists often attempt to construct a genealogy that shows the relationships of all life on earth. One well-accepted effort compares the nucleic acid sequences that cod...

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