#2418: Metacarcinization explain

[White Hat and Cueball are walking together. White Hat has his smartphone out in his hand.]

White Hat: Have you seen this video of a crow sledding on a roof?

Cueball: Yeah! It’s always cool to see animals using tools.

Cueball: Like how sea otters use rocks to open crab shells.

Cueball: Hey, did you know the “crab” body plan has evolved multiple times?

[Caption below the panel:]

Regardless of the starting topic, any conversation with me eventually converges to carcinization.