| 2018-12-07: | Reification of Spam |
| 2018-10-24: | Sunburnt Australia |
| 2015-06-08: | Unreinforced Masonry |
| 2007-08-17: | Exxon lecture notes |
| 2006-02-08: | Evangelical Leaders Join Global Warming Initiative |
| 2004-10-26: | Election Night Cheat Sheet |
| 2003-05-15: | Electronic Voting Machine vendors denigrate doubters |
| 2000-03-06: | A Plan In Response to the End of the World As We Know It |
| 2000-03-06: | Scenarios for the End of the World as We Know It |
| 2000-03-06: | The End of the World As We Know It |