| Answer | Crossword Clue |
|---|---|
| MALTHUSIAN | Of a certain theory about population. |
| ETNA | About a quarter of the population of Sicily lives on its slopes |
| COPERNICAN | Of a revolutionary theory about revolutions |
| ILIED | Theory of a Deadman "The Truth Is ... (... About Everything)" |
| BACONIAN | Follower of a certain theory. |
| THEBIGBANG | Name of a certain theory |
| UFO | Subj. of a certain conspiracy theory |
