| Hatton, Derek - |
| The Science of Color Perception in Animals (22) | | Multiple Choice | 2008.07.07 |
| The Science of Sand Dune Formation (8) | | Multiple Choice | 2008.07.27 |
| The Sociology of Urbanization (9) | | Multiple Choice | 2008.07.15 |
| The Story Behind the World’s Tallest Waterfalls (16) | | Multiple Choice | 2008.10.26 |
| The World’s Deepest Caves: An Overview (9) | | Multiple Choice | 2008.08.11 |
| The World’s Most Remote Airports (8) | | Multiple Choice | 2008.01.12 |
| Top 10 Longest-Lived Human Ancestors in Fossil Records (17) | | Multiple Choice | 2008.02.04 |
| Traditional Pottery Techniques of Nigeria (8) | | Multiple Choice | 2008.07.27 |
| Underwater Cities of Ancient Greece (21) | | Multiple Choice | 2008.01.16 |
| Unsolved Mysteries of the Deep Ocean (8) | | Multiple Choice | 2008.03.07 |
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