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hemoglobin

There’s a condition that can cause human blood to turn green

22 Nov 2019

If you have clear blood you may be a brachiopod, if you have blue blood you may be an octopus (or just a rich human), but if you have green blood you may have sulfhemoglobinemia.

Snails, Spiders, and Octopi all have Blue Blood

15 Feb 2018

Snails, spiders and octopi have something in common- they all have blue blood! We're not talking in the sense of royalty, these creatures literally have blue blood. So why is their blood blue and...

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