- Indo-European language | 0, 0, 6
- List of languages | 9, 19, 8
- Linguistics | 9, 295, 35
- Science | 0, 53k, 1k
- Ciro Santilli's Homepage | 262, 182k, 3k
- Ciro Santilli's biography | 632, 2k, 6
- Ciro Santilli's natural languages skills | 151
- Having more than one natural language is bad for the world | 1k
- Murray Gell-Mann | 140
- Quantum electrodynamics | 678, 3k, 28
- ScienceClic | 21
- Urban Dictionary | 34