I have one personal Twitter account, @JohnDCook.
I also have 18 technical accounts. These accounts post once per day, Monday through Friday, and have occasional unscheduled posts.
Math and statistics
| @ProbFact | Probability | |
| @DataSciFact | Data science, statistics, ML, etc. | |
| @AnalysisFact | Real and complex analysis | |
| @AlgebraFact | Algebra, number theory, etc. | |
| @NetworkFact | Networks and graphs | |
| @LogicPractice | Logic and applications | |
| @TopologyFact | Topology and geometry | |
| @diff_eq | Differential equations | |
| @dsp_fact | Digital signal processing etc. |
Computing
| @CompSciFact | Computer science | |
| @FunctorFact | Category theory and FP | |
| @SciPyTip | Scientific computing in Python | |
| @UnixToolTip | Unix command line utilities | |
| @RegexTip | Regular expressions in general | |
| @TeXtip | TeX and LaTeX tips, typography |
Science and medicine
| @ScienceTip | Miscellaneous science | |
| @UnitFact | Units of measure and related topics | |
| @MedVocab | Medical vocabulary |
RSS
If you would rather subscribe to one of these accounts using RSS rather than through Twitter, you can find their corresponding RSS feeds here.