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I realize that it is unusual for a popular science blog to launch upon a policy of killing its own readers.
Seems to be a bit of a fad for this sort of thing - see e.g. http://www.youtube.com/watch?v=sSTLDel-G9k - discussed here http://www.guardian.co.uk/environment/green-living-blog/2010/oct/04/10-10-activism