| #915 | Connoisseur | Jun 22, 2011 |
| #914 | Ice | Jun 20, 2011 |
| #913 | Core | Jun 17, 2011 |
| #912 | Manual Override | Jun 15, 2011 |
| #911 | Magic School Bus | Jun 13, 2011 |
| #910 | Permanence | Jun 10, 2011 |
| #909 | Worst-Case Shopping | Jun 8, 2011 |
| #908 | The Cloud | Jun 6, 2011 |
| #907 | Ages | Jun 3, 2011 |
| #906 | Advertising Discovery | Jun 1, 2011 |
| #905 | Homeownership | May 30, 2011 |
| #904 | Sports | May 27, 2011 |
| #903 | Extended Mind | May 25, 2011 |
| #902 | Darmok and Jalad | May 23, 2011 |
| #901 | Temperature | May 20, 2011 |
| #900 | Religions | May 18, 2011 |
| #899 | Number Line | May 16, 2011 |
| #898 | Chain of Command | May 13, 2011 |
| #897 | Elevator Inspection | May 11, 2011 |
| #896 | Marie Curie | May 9, 2011 |
| #895 | Teaching Physics | May 6, 2011 |
| #894 | Progeny | May 4, 2011 |
| #893 | 65 Years | May 2, 2011 |
| #892 | Null Hypothesis | Apr 29, 2011 |
| #891 | Movie Ages | Apr 27, 2011 |
| #890 | Etymology | Apr 25, 2011 |
| #889 | Turtles | Apr 22, 2011 |
| #888 | Heaven | Apr 20, 2011 |
| #887 | Future Timeline | Apr 18, 2011 |
| #886 | Craigslist Apartments | Apr 15, 2011 |
| #885 | Recycling | Apr 13, 2011 |
| #884 | Rogers St. | Apr 11, 2011 |
| #883 | Pain Rating | Apr 8, 2011 |
| #882 | Significant | Apr 6, 2011 |
| #881 | Probability | Apr 4, 2011 |
| #880 | Headache | Apr 1, 2011 |
| #879 | Lamp | Mar 30, 2011 |
| #878 | Model Rail | Mar 28, 2011 |
| #877 | Beauty | Mar 25, 2011 |
| #876 | Trapped | Mar 23, 2011 |
| #875 | 2009 Called | Mar 21, 2011 |
| #874 | Time Management | Mar 18, 2011 |
| #873 | FPS Mod | Mar 16, 2011 |
| #872 | Fairy Tales | Mar 14, 2011 |
| #871 | Charity | Mar 11, 2011 |
| #870 | Advertising | Mar 9, 2011 |
| #869 | Server Attention Span | Mar 7, 2011 |
| #868 | Nolan Chart | Mar 4, 2011 |
| #867 | Herpetology | Mar 2, 2011 |
| #866 | Compass and Straightedge | Feb 28, 2011 |