| | It is impossible that particle aggregates add up to anything - missing spatial substance problem | | Kai Welp | | View Artist |
| | | | Wie ist es ein tauschender Raubaffe zu sein, der unzulänglich weiß und erklärt...? | | Kai Welp | | View Artist |
| | | | What is it like to be an insectivorous bat which knows, explains not everything? | | Kai Welp | | View Artist |
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