| #1282 | Monty Hall | Oct 25, 2013 |
| #1281 | Minifigs | Oct 23, 2013 |
| #1280 | Mystery News | Oct 21, 2013 |
| #1279 | Reverse Identity Theft | Oct 18, 2013 |
| #1278 | Giraffes | Oct 16, 2013 |
| #1277 | Ayn Random | Oct 14, 2013 |
| #1276 | Angular Size | Oct 11, 2013 |
| #1275 | int(pi) | Oct 9, 2013 |
| #1274 | Open Letter | Oct 7, 2013 |
| #1273 | Tall Infographics | Oct 4, 2013 |
| #1272 | Shadowfacts | Oct 2, 2013 |
| #1271 | Highlighting | Sep 30, 2013 |
| #1270 | Functional | Sep 27, 2013 |
| #1269 | Privacy Opinions | Sep 25, 2013 |
| #1268 | Alternate Universe | Sep 23, 2013 |
| #1267 | Mess | Sep 20, 2013 |
| #1266 | Halting Problem | Sep 18, 2013 |
| #1265 | Juicer | Sep 16, 2013 |
| #1264 | Slideshow | Sep 13, 2013 |
| #1263 | Reassuring | Sep 11, 2013 |
| #1262 | Unquote | Sep 9, 2013 |
| #1261 | Shake That | Sep 6, 2013 |
| #1260 | LD50 | Sep 4, 2013 |
| #1259 | Bee Orchid | Sep 2, 2013 |
| #1258 | First | Aug 30, 2013 |
| #1257 | Monster | Aug 28, 2013 |
| #1256 | Questions | Aug 26, 2013 |
| #1255 | Columbus | Aug 23, 2013 |
| #1254 | Preferred Chat System | Aug 21, 2013 |
| #1253 | Exoplanet Names | Aug 19, 2013 |
| #1252 | Increased Risk | Aug 16, 2013 |
| #1251 | Anti-Glass | Aug 14, 2013 |
| #1250 | Old Accounts | Aug 12, 2013 |
| #1249 | Meteor Showers | Aug 9, 2013 |
| #1248 | Sphere | Aug 7, 2013 |
| #1247 | The Mother of All Suspicious Files | Aug 5, 2013 |
| #1246 | Pale Blue Dot | Aug 2, 2013 |
| #1245 | 10-Day Forecast | Jul 31, 2013 |
| #1244 | Six Words | Jul 29, 2013 |
| #1243 | Snare | Jul 26, 2013 |
| #1242 | Scary Names | Jul 24, 2013 |
| #1241 | Annoying Ringtone Champion | Jul 22, 2013 |
| #1240 | Quantum Mechanics | Jul 19, 2013 |
| #1239 | Social Media | Jul 17, 2013 |
| #1238 | Enlightenment | Jul 15, 2013 |
| #1237 | QR Code | Jul 12, 2013 |
| #1236 | Seashell | Jul 10, 2013 |
| #1235 | Settled | Jul 8, 2013 |
| #1234 | Douglas Engelbart (1925-2013) | Jul 5, 2013 |
| #1233 | Relativity | Jul 3, 2013 |