| #2137 | Text Entry | Apr 15, 2019 |
| #2136 | Election Commentary | Apr 12, 2019 |
| #2135 | M87 Black Hole Size Comparison | Apr 10, 2019 |
| #2134 | Too Much Talking | Apr 8, 2019 |
| #2133 | EHT Black Hole Picture | Apr 5, 2019 |
| #2132 | Percentage Styles | Apr 3, 2019 |
| #2131 | Emojidome | Apr 1, 2019 |
| #2130 | Industry Nicknames | Mar 29, 2019 |
| #2129 | 1921 Fact Checker | Mar 27, 2019 |
| #2128 | New Robot | Mar 25, 2019 |
| #2127 | Panama Canal | Mar 22, 2019 |
| #2126 | Google Trends Maps | Mar 20, 2019 |
| #2125 | Luna 2 | Mar 18, 2019 |
| #2124 | Space Mission Hearing | Mar 15, 2019 |
| #2123 | Meta Collecting | Mar 13, 2019 |
| #2122 | Size Venn Diagram | Mar 11, 2019 |
| #2121 | Light Pollution | Mar 8, 2019 |
| #2120 | Brain Hemispheres | Mar 6, 2019 |
| #2119 | Video Orientation | Mar 4, 2019 |
| #2118 | Normal Distribution | Mar 1, 2019 |
| #2117 | Differentiation and Integration | Feb 27, 2019 |
| #2116 | .NORM Normal File Format | Feb 25, 2019 |
| #2115 | Plutonium | Feb 22, 2019 |
| #2114 | Launch Conditions | Feb 20, 2019 |
| #2113 | Physics Suppression | Feb 18, 2019 |
| #2112 | Night Shift | Feb 15, 2019 |
| #2111 | Opportunity Rover | Feb 13, 2019 |
| #2110 | Error Bars | Feb 11, 2019 |
| #2109 | Invisible Formatting | Feb 8, 2019 |
| #2108 | Carbonated Beverage Language Map | Feb 6, 2019 |
| #2107 | Launch Risk | Feb 4, 2019 |
| #2106 | Sharing Options | Feb 1, 2019 |
| #2105 | Modern OSI Model | Jan 30, 2019 |
| #2104 | Biff Tannen | Jan 28, 2019 |
| #2103 | Midcontinent Rift System | Jan 25, 2019 |
| #2102 | Internet Archive | Jan 23, 2019 |
| #2101 | Technical Analysis | Jan 21, 2019 |
| #2100 | Models of the Atom | Jan 18, 2019 |
| #2099 | Missal of Silos | Jan 16, 2019 |
| #2098 | Magnetic Pole | Jan 14, 2019 |
| #2097 | Thor Tools | Jan 11, 2019 |
| #2096 | Mattresses | Jan 9, 2019 |
| #2095 | Marsiforming | Jan 7, 2019 |
| #2094 | Short Selling | Jan 4, 2019 |
| #2093 | Reminders | Jan 2, 2019 |
| #2092 | Consensus New Year | Dec 31, 2018 |
| #2091 | Million, Billion, Trillion | Dec 28, 2018 |
| #2090 | Feathered Dinosaur Venn Diagram | Dec 26, 2018 |
| #2089 | Christmas Eve Eve | Dec 24, 2018 |
| #2088 | Schwarzschild's Cat | Dec 21, 2018 |