This week in our series, Stan Busby and Maurice Joyce tell about the Populists, and how they campaigned against the Republicans and Democrats in the election.

VOA: special.2010.06.10

We'll talk about cell culture engineering during Week 4, how do you maintain cells in culture, what are the limits of this.

第四周我们会探讨细胞培养工程,人们如何在培养基中维持细胞的存活,这种方法的局限性是什么

耶鲁公开课 - 生物医学工程探索课程节选

We talked last week about how this idea developed a long time ago.

VOA: special.2010.03.12