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  • VOA标准英语2010年-Chemists Take First Steps in Making Ca

    The drug Taxol is a powerful weapon in the fight against cancer, but it's very expensive and complicated to manufacture. Now, scientists at Tufts University and the Massachusetts Institute of Technology (MIT) say they've taken the first steps to make...

  • CNN 2010-04-29

    I Remember this the next time your loving spouse interrupts your couch coma. That little nap could help your memory. A snooze you can use. Here's chief medical correspondent Dr. Sanjay Gupta. DR. SANJAY GUPTA:I've been fascinated by this whole conc...

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