| Is is true that we as humans can actually smells one trillion different smells? | 765 | askscience | | | | |
| If I had a nickel for every time this shoulda happened to Carl… | 1 | DungeonCrawlerCarl | | | | |
| Katia after splattering Hekla | 1 | DungeonCrawlerCarl | | | | |
| Camouflage and evolution. | 1 | askscience | | | | |
| Would any of it be allowed? NSFW | 1 | deadpool | | | | |
| How did evolution “know?” | 1 | askscience | | | | |
| One trillion smells? | 1 | askscience | | | | |
| Can humans actually identify over one trillion smells? | 1 | askscience | | | | |
| Camouflage and Evolution? | 1 | askscience | | | | |
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