TIL that octopuses have three hearts and blue blood sciencefocus.com Submitted by real_aurora_cole t3_1249tqr 2 years ago in todayilearned 26 comments 156
crimlawguru t1_jdyk1n9 wrote 2 years ago The Royalty of the Ocean. Permalink 9 dixadik t1_je25758 wrote 2 years ago They don't get much sun down there Permalink Parent 1
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