Imagine you are taking an introductory biology course. You're studying for an exam and realize it would be helpful to revisit the professor's explanation of RNA interference. Fortunately for you, a digital recording of the lecture is online, but the 10-minute explanation you want is buried in a 90-minute lecture you don't have time to watch.
Read more:http://web.mit.edu/newsoffice/2007/lectures-tt1107.html
Read more:http://web.mit.edu/newsoffice/2007/lectures-tt1107.html