Interesting idea from Bennett Haselton on Slashdot, for a way to more objectively determine what constitutes child pornography (and more generally, to make the judicial process more objective through scientific methods like double-blind tests.)

http://news.slashdot.org/article.pl?sid=09/03/30/1249237

Note particularly to those readers who work for state legislatures and/or on judicial matters. :)