| Flynn, Emerson - |
| How muscles help us move (33) | | Multiple Choice | 2008.06.22 |
| How photography has evolved over time (31) | | Multiple Choice | 2008.05.13 |
| How Plants Grow (38) | | Multiple Choice | 2008.10.14 |
| How the Compass Transformed Exploration (20) | | Multiple Choice | 2008.05.24 |
| Micronations of the 21st Century: A Survey (8) | | Multiple Choice | 2008.09.28 |
| Silent Film Stars Who Transitioned to Talkies (9) | | Multiple Choice | 2008.11.20 |
| The Ancient Practice of Cave Diving for Survival (8) | | Multiple Choice | 2008.07.15 |
| The benefits of bilingualism (9) | | Multiple Choice | 2008.07.11 |
| The Creation of Crossword Puzzles: A Brief History (15) | | Multiple Choice | 2008.08.02 |
| The Cultural Significance of Gingerbread Houses (8) | | Multiple Choice | 2008.09.08 |
| The Development of Neon Lighting Technology (8) | | Multiple Choice | 2008.08.23 |
| The Development of Sign Language Across Cultures (9) | | Multiple Choice | 2008.08.24 |
| The Difference Between Plants and Animals (18) | | Multiple Choice | 2008.06.25 |
| The Discovery of the World’s Deepest Cave Systems (8) | | Multiple Choice | 2008.01.23 |
| The Evolution of Garden Gnomes (8) | | Multiple Choice | 2008.10.19 |
| The Evolution of Graffiti Art from Vandalism to Galleries (24) | | Multiple Choice | 2008.01.27 |
| The Evolution of the Recliner Chair (9) | | Multiple Choice | 2008.06.27 |
| The Geopolitical Importance of Salt (20) | | Multiple Choice | 2008.11.06 |
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