The Blood of the Crab - Popular Mechanics

This Crab’s Blood Is the Reason You’re Alive. Horseshoe Crab blood is an irreplaceable medical marvel, and biomedical companies are bleeding thousands of crabs and throwing them back in the ocean. Can this creature that's been around since the dinosaurs be saved?

This Crab’s Blood Is the Reason You’re Alive. Horseshoe Crab blood is an irreplaceable medical marvel, and biomedical companies are bleeding thousands of crabs and throwing them back in the ocean. Can this creature that's been around since the dinosaurs be saved?