The central questions in biology

EN: Interested in a Nobelprize*? Maybe you should focus on one of the fundamental questions in biology [1] to get one. PloS Biology started a series of essays discussing these - the Challenges Series. The first essay [2] is about cooperation.

[1] Simon A. Levin, DOI: 10.1371/journal.pbio.0040300
[2] Ned S. Wingreen, Simon A. Levin, DOI: 10.1371/journal.pbio.0040299

* Yup, I know there is unfortunately none for biology ...