The link of the moment comes from Slate. During the work week, Sam Kean is excerpting his book on the history of the elements. I enjoyed the entry on nitrogen and phosphorus and how it pertains to future toilet design. Kean mused that men may have to sit down to use the future toilets in order to collect phosphorus. I think he missed an obvious solution: use public uranials as a collecion point. Anyone who stands at a urinal will contribute to the solution.
(The title of the post is the opening line of Tom Lehrer's The Elements.)