She first learned about HeLa cells in a biology class when she was sixteen years old.

VOA: special.2010.07.21

My task in the class here isn't to do an in depth analysis of the biology or things--or scientific methods, or any things like that that would make you have to retain a lot of detail in the readings.

我在课上的任务不是用生物学的方法,或者类似的科学方法进行深入的分析,我的目的并非让你们记住这些细节

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

In fact, even if you haven't had a biology class it's hard to be alive in 2008 and not know something about DNA; it's become such an important part of our lives.

实际上,即使你们没有上过生物课,也不可能活在当下却对DNA一无所知,它已经与我们的生活密不可分

耶鲁公开课 - 生物医学工程探索课程节选