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
AmnesiaInnocent t1_je0na8m wrote on March 28, 2023 at 3:47 PM Reply to comment by lo_fi_ho in TIL that octopuses have three hearts and blue blood by real_aurora_cole or Vulcan... Permalink Parent 2
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