TIL that octopuses have three hearts and blue blood sciencefocus.com Submitted by real_aurora_cole t3_1249tqr on March 28, 2023 at 2:33 AM in todayilearned 26 comments 156
dixadik t1_je25758 wrote on March 28, 2023 at 9:24 PM Reply to comment by crimlawguru in TIL that octopuses have three hearts and blue blood by real_aurora_cole They don't get much sun down there Permalink Parent 1
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