| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | cosmic microwave background radiation | Laypeople | Laypeople are unlikely to discuss or be aware of cosmic microwave background radiation in their everyday lives. | 1 |
| 2 | noetherian ring | Laypeople | The concept of a noetherian ring is completely unfamiliar and unimportant to laypeople. | 1 |