octopus blood is blue because rather than haemoglobin they have hemocyanin which uses copper to transport oxygen instead of iron1yr ⋅ wikipedia143 ⋅ r/interestingasfuck
Naegleria fowleri (brain eating amoeba), get water up your nose and a few days later your dead2yr ⋅ wikipedia143 ⋅ r/oddlyterrifying
