Rocko can't have kids, because Rocko is just a stupid rock.
Crystals catalyze their own expansion in a suitable solution.
Possibly a reference to A.G. Cairns-Smith, who speculated about evolving clay crystals. (They can sit in a stream and accumulate minerals, and reproduce that way.)
Crystals catalyze their own expansion in a suitable solution.
Possibly a reference to A.G. Cairns-Smith, who speculated about evolving clay crystals. (They can sit in a stream and accumulate minerals, and reproduce that way.)