Jules Horeshoe Crab

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Discovery of the Atlantic Horseshoe Crab’s clotting blue blood in the 1950s and 1960s at the Marine Biological Laboratory led to the LAL test, the worldwide standard screening for bacterial contamination in human blood, medical devices, injectable drugs, and intravenous fluids.  The MBL is proud to partner with Charles River Laboratories to promote horseshoe crab outreach and conservation. Proceeds of the “Jules” stuffed horseshoe crabs support educational exhibits in the MBL’s Marine Resources Center.