| Flynn, Emerson - |
| The History of the Automobile (44) | | Multiple Choice | 2008.03.27 |
| The History of the Telephone (21) | | Multiple Choice | 2008.01.16 |
| The History of Umbrellas in Popular Culture (9) | | Multiple Choice | 2008.10.20 |
| The Human Digestive System (9) | | Multiple Choice | 2008.12.26 |
| The Impact of Birdsong on Human Music Composition (9) | | Multiple Choice | 2008.06.01 |
| The impact of social media on teenagers (8) | | Multiple Choice | 2008.03.16 |
| The Importance of Eating Healthy (30) | | Multiple Choice | 2008.06.11 |
| The Influence of Blacksmiths on Medieval Societies (21) | | Multiple Choice | 2008.01.02 |
| The Most Unusual Sports Played Internationally (15) | | Multiple Choice | 2008.12.23 |
| The Origin of the Phrase “The Dog Days of Summer” (15) | | Multiple Choice | 2008.09.14 |
| The Process of Photosynthesis (8) | | Multiple Choice | 2008.08.19 |
| The Rise and Fall of the Segway Personal Transporter (14) | | Multiple Choice | 2008.09.09 |
| The Role of the Oceans in the World (9) | | Multiple Choice | 2008.08.24 |
| The Story of the Great Wall of China (43) | | Multiple Choice | 2008.11.23 |
| The Underground Rivers of Mexico (9) | | Multiple Choice | 2008.08.13 |
| Timeline of Space Elevator Concepts (18) | | Multiple Choice | 2008.06.25 |
| Unusual Animal Migrations: Jellyfish Blooms (8) | | Multiple Choice | 2008.08.16 |
| What is a City and How Does It Work? (15) | | Multiple Choice | 2008.04.11 |
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