| Tomten och tomten | 7 | Svenska | | | | |
| If a trip to mars takes less than a year, why has no one gone there? | 1 | askscience | | | | |
| Is mass misunderstood | 1 | askscience | | | | |
| Is mass misunderstood? | 1 | askscience | | | | |
| Is mass a real separate thing or just a version of energy? | 1 | askscience | | | | |
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