showrss plugin is listing your interesting rss.
@@showrss(http://rss.slashdot.org/Slashdot/slashdot)@@ is
2008-08-27
2008-08-22
2008-08-19
2008-07-07
2008-01-16
2007-11-21
2007-11-14
2007-11-10
2007-11-07
2007-11-03
2007-10-24
2007-10-16