Octopus blood: a natural antifreeze?

Octopus blood: a natural antifreeze?

How does an octopus survive in the below-freezing waters of the Antarctic? It seems like these animals shouldn’t be able to survive in frigid temperatures, but new research shows that they have a special protein in their blood that helps them survive. The protein that makes octopus blood blue is called haemocyanin, and it actually […]