| Sumner, Sawyer - |
| The Economics of Silk in Pre-Colonial Asia (9) | | Multiple Choice | 2010.08.03 |
| The effects of sleep on brain health (8) | | Multiple Choice | 2010.12.15 |
| The Evolution of Alphabet Songs for Children (9) | | Multiple Choice | 2010.12.08 |
| The Evolution of the Roller Skate (15) | | Multiple Choice | 2010.08.25 |
| The Fascinating World of Extreme Ironing (9) | | Multiple Choice | 2010.05.23 |
| The History of Chess Grandmasters (16) | | Multiple Choice | 2010.03.02 |
| The History of Fortune-Telling Methods (20) | | Multiple Choice | 2010.10.01 |
| The History of Playing Cards Around the World (9) | | Multiple Choice | 2010.02.28 |
| The History of Yodeling as a Musical Tradition (8) | | Multiple Choice | 2010.02.18 |
| The Importance of Exercise (8) | | Multiple Choice | 2010.02.08 |
| The Invention and Popularization of Velcro (10) | | Multiple Choice | 2010.01.12 |
| The Job of a Police Officer (21) | | Multiple Choice | 2010.03.28 |
| The Largest Libraries of the Ancient World (19) | | Multiple Choice | 2010.03.13 |
| The Life Cycle of a Butterfly (8) | | Multiple Choice | 2010.11.01 |
| The Life Cycle of a Frog (9) | | Multiple Choice | 2010.08.13 |
| The Lost Art of Chainmail Weaving (8) | | Multiple Choice | 2010.09.09 |
| The Most Mysterious Radio Signals Ever Detected (18) | | Multiple Choice | 2010.04.19 |
| The Mystery of the Loch Ness Monster (8) | | Multiple Choice | 2010.06.11 |
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