The lifesaving secret hidden inside a horseshoe crab's blue blood

donkey_brains

Go crabs go!

tecoholic

There is an episode in Elementary that involves the Horseshoe, its extraction and conservation. It is just a regular episode, but the visual presentation of the extraction was fascinating. I hope they are real. :)

jzelinskie

Has anyone on HN gotten the horseshoe crab pin and can share the story?

y-curious

Few things look more cruel and dystopic than the rooms where they harvest the blood of horseshoe crabs