>>37345281I'm not sure I see what you mean.
>>37345607Horseshoe crabs have blue blood for the amount of copper in it, and to be blue blooded is a figure of speech referring to royalty or nobility. Their blood is actually used in a lot of modern medical procedures because of some way it reacts to bacterial infections. Wanted to fit the medical angle in there, but it would've been too many things at once.
