寺
=
土
+
寸
:
Socrates (s) built a Buddhist temple (寺) in the space station's bathroom (Ø4). To protect it from being destroyed while floating around in zero gravity, he built a protective frame made out of mud (土) around it. After finishing it he inspects it and thinks "thumbs up" (寸), because he is proud of his work.
足
=
龰
+
口
:
Mnemonic symbol: a football. Zapatista Zebra (zu) wants to pimp his football (足) in the space station's kitchen (Ø2). He thinks that a few more vitamins wouldn't hurt, so he extracts the vitamins from a mandarin (口) with a syringe (龰) to inject them into his football.