Did you know that not all that long ago, you (yes, you!) had a tail?
I’m not talking about evolution; I’m talking your very own embryonic history. At about four and half weeks’ gestation, when you still didn’t know air and lived like a fish inside the liquid medium within your mother’s amniotic sac, you had a large, tadpolelike head and a tail and resembled “a prehistoric animal” (Nilsson 1990, 80).
So let me ask you: how does this bit of embryonic trivia change your sense of humanity, if at all?
Time for a mindful tail wag, human fish!
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Last reviewed: 23 May 2012