[AngryParsley]

The last graph amuses me: http://media.npr.org/assets/img/2013/01/22/graph_custom-3939...

Even on a log-log graph, the data looks like a shotgun spread. Species of similar mass have lifetimes that vary by up to a factor of 1,000. Species with similar life-spans differ in mass by up to a factor of a trillion.

[bernardom]

This. I see how the three clusters (plankton, trees, and everything else) are arranged in a way suggesting a linear relationship, but within the clusters? Nothing.