| #985 | Percentage Points | Dec 2, 2011 |
| #984 | Space Launch System | Nov 30, 2011 |
| #983 | Privacy | Nov 28, 2011 |
| #982 | Set Theory | Nov 25, 2011 |
| #981 | Porn Folder | Nov 23, 2011 |
| #980 | Money | Nov 21, 2011 |
| #979 | Wisdom of the Ancients | Nov 18, 2011 |
| #978 | Citogenesis | Nov 16, 2011 |
| #977 | Map Projections | Nov 14, 2011 |
| #976 | Sail | Nov 11, 2011 |
| #975 | Occulting Telescope | Nov 9, 2011 |
| #974 | The General Problem | Nov 7, 2011 |
| #973 | MTV Generation | Nov 4, 2011 |
| #972 | November | Nov 2, 2011 |
| #971 | Alternative Literature | Oct 31, 2011 |
| #970 | The Important Field | Oct 28, 2011 |
| #969 | Delta-P | Oct 26, 2011 |
| #968 | Everything | Oct 24, 2011 |
| #967 | Prairie | Oct 21, 2011 |
| #966 | Jet Fuel | Oct 19, 2011 |
| #965 | Elements | Oct 17, 2011 |
| #964 | Dorm Poster | Oct 14, 2011 |
| #963 | X11 | Oct 12, 2011 |
| #962 | The Corliss Resolution | Oct 10, 2011 |
| #961 | Eternal Flame | Oct 6, 2011 |
| #960 | Subliminal | Oct 5, 2011 |
| #959 | Caroling | Oct 3, 2011 |
| #958 | Hotels | Sep 30, 2011 |
| #957 | Development | Sep 28, 2011 |
| #956 | Sharing | Sep 26, 2011 |
| #955 | Neutrinos | Sep 23, 2011 |
| #954 | Chin-Up Bar | Sep 21, 2011 |
| #953 | 1 to 10 | Sep 19, 2011 |
| #952 | Stud Finder | Sep 16, 2011 |
| #951 | Working | Sep 14, 2011 |
| #950 | Mystery Solved | Sep 12, 2011 |
| #949 | File Transfer | Sep 9, 2011 |
| #948 | AI | Sep 7, 2011 |
| #947 | Investing | Sep 5, 2011 |
| #946 | Family Decals | Sep 2, 2011 |
| #945 | I'm Sorry | Aug 31, 2011 |
| #944 | Hurricane Names | Aug 29, 2011 |
| #943 | Empirical | Aug 26, 2011 |
| #942 | Juggling | Aug 24, 2011 |
| #941 | Depth Perception | Aug 22, 2011 |
| #940 | Oversight | Aug 19, 2011 |
| #939 | Arrow | Aug 17, 2011 |
| #938 | T-Cells | Aug 15, 2011 |
| #937 | TornadoGuard | Aug 12, 2011 |
| #936 | Password Strength | Aug 10, 2011 |