Has New England been lost to the Ents?

[james_davis_nicoll]

Feral plants swarm across lost farmland: has the lesson of Day of the Triffids been lost on the Americans?

Comments

[neowolf2.livejournal.com]

There was a seminal paper on this in Physical Review Letters.

1. Rosato, A., Strandburg, K. J., Prinz, F. & Swendsen, R. H. Why the Brazil Nuts are On Top: Size Segregation of Particulate Matter by Shaking. Physical Review Letters 58, 1038-1040 (1987).