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
GreyFoxMe t1_je0cnhc wrote on March 28, 2023 at 2:38 PM Reply to comment by racewest22 in TIL that octopuses have three hearts and blue blood by real_aurora_cole Pretty sure that it's provable that they are NOT aliens. Permalink Parent 7
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