This neon-blue liquid is the blood of a “living fossil.” It costs $15,000 per liter and is used to test the safety of our vaccines, including COVID-19.
It comes from horseshoe crabs.
Blue Blood Is Real
This neon-blue liquid is the blood of a “living fossil.” It costs $15,000 per liter and is used to test the safety of our vaccines, including COVID-19.
It comes from horseshoe crabs.