| #2300 | Everyone's an Epidemiologist | Apr 30, 2020 |
| #2299 | Coronavirus Genome 2 | Apr 27, 2020 |
| #2298 | Coronavirus Genome | Apr 24, 2020 |
| #2297 | Use or Discard By | Apr 22, 2020 |
| #2296 | Sourdough Starter | Apr 20, 2020 |
| #2295 | Garbage Math | Apr 17, 2020 |
| #2294 | Coronavirus Charts | Apr 15, 2020 |
| #2293 | RIP John Conway | Apr 13, 2020 |
| #2292 | Thermometer | Apr 10, 2020 |
| #2291 | New Sports System | Apr 8, 2020 |
| #2290 | Homemade Masks | Apr 6, 2020 |
| #2289 | Scenario 4 | Apr 4, 2020 |
| #2288 | Collector's Edition | Apr 3, 2020 |
| #2287 | Pathogen Resistance | Mar 30, 2020 |
| #2286 | 6-Foot Zone | Mar 27, 2020 |
| #2285 | Recurring Nightmare | Mar 25, 2020 |
| #2284 | Sabotage | Mar 23, 2020 |
| #2283 | Exa-Exabyte | Mar 20, 2020 |
| #2282 | Coronavirus Worries | Mar 18, 2020 |
| #2281 | Coronavirus Research | Mar 16, 2020 |
| #2280 | 2010 and 2020 | Mar 13, 2020 |
| #2279 | Symptoms | Mar 11, 2020 |
| #2278 | Scientific Briefing | Mar 9, 2020 |
| #2277 | Business Greetings | Mar 6, 2020 |
| #2276 | Self-Isolate | Mar 4, 2020 |
| #2275 | Coronavirus Name | Mar 2, 2020 |
| #2274 | Stargazing 3 | Feb 28, 2020 |
| #2273 | Truck Proximity | Feb 26, 2020 |
| #2272 | Ringtone Timeline | Feb 24, 2020 |
| #2271 | Grandpa Jason and Grandpa Chad | Feb 21, 2020 |
| #2270 | Picking Bad Stocks | Feb 19, 2020 |
| #2269 | Phylogenetic Tree | Feb 17, 2020 |
| #2268 | Further Research is Needed | Feb 14, 2020 |
| #2267 | Blockchain | Feb 12, 2020 |
| #2266 | Leap Smearing | Feb 10, 2020 |
| #2265 | Tax AI | Feb 7, 2020 |
| #2264 | Satellite | Feb 5, 2020 |
| #2263 | Cicadas | Feb 3, 2020 |
| #2262 | Parker Solar Probe | Jan 31, 2020 |
| #2261 | Worst Thing That Could Happen | Jan 29, 2020 |
| #2260 | Reaction Maps | Jan 27, 2020 |
| #2259 | Networking Problems | Jan 24, 2020 |
| #2258 | Solar System Changes | Jan 22, 2020 |
| #2257 | Unsubscribe Message | Jan 20, 2020 |
| #2256 | Bad Map Projection: South America | Jan 17, 2020 |
| #2255 | Tattoo Ideas | Jan 15, 2020 |
| #2254 | JPEG2000 | Jan 13, 2020 |
| #2253 | Star Wars Voyager 1 | Jan 10, 2020 |
| #2252 | Parenthetical Names | Jan 8, 2020 |
| #2251 | Alignment Chart Alignment Chart | Jan 6, 2020 |