26:06Learning
From the PhD Lab: How do biofilms help keep bacteria alive? - with Josh Horton
The Royal Institution
Marginal Utility
From the creator
Marginal utility and marginal benefit. How you would spend $5 on chocolate and fruit More free lessons at: http://www.khanacademy.org/video?v=Kf9KhwryQNE
Published 2012-01-16 · Watch on YouTube ↗
Availability and playback restrictions are controlled by the original channel.
