| thèmes | sites | sous-thème |
| Sciences/Actualité_et_médias | 39 | 0 |
| Sciences/Agriculture | 423 | 29 |
| Sciences/Alternatives | 6 | 1 |
| Sciences/Associations | 18 | 0 |
| Sciences/Astronomie | 635 | 40 |
| Sciences/Biologie | 630 | 58 |
| Sciences/Centres_de_recherche | 26 | 0 |
| Sciences/Chimie | 129 | 14 |
| Sciences/Conférences | 23 | 0 |
| Sciences/Enseignement_et_formation | 55 | 0 |
| Sciences/Environnement | 82 | 5 |
| Sciences/Informatique | 44 | 3 |
| Sciences/Institutions | 276 | 20 |
| Sciences/Logiciels | 15 | 0 |
| Sciences/Mathématiques | 433 | 35 |
| Sciences/Méthodes_et_techniques | 14 | 0 |
| Sciences/Physique | 461 | 48 |
| Sciences/Répertoires | 21 | 0 |
| Sciences/Sciences_de_la_Terre | 597 | 53 |
| Sciences/Sciences_humaines_et_sociales | 5406 | 587 |
| Sciences/Science_et_société | 14 | 1 |
| Sciences/Technologie | 208 | 18 |