Top photo: Horseshoe crab harvest for fertilizer production, 1928 (Delaware Public Archives). Bottom photo: Harvesting the blood of the horseshoe crab to take advantage of a chemical found only in the amoebocytes of its blood cells that can detect mere traces of bacterial presence and trap them in inescapable clots. (A still from the PBS Nature documentary Crash)
reblogging here because i can see this being relevant to anyone who’s ever tried to get out of an abusive relationship
Reblogging because that last comment made me reread the whole thing in a new light and realize this could be vital information. So, putting it out there for everyone, and hoping no one ever really needs it.