Scientists couldn't find the head of the starfish. Turns out, the entire thing is head, it's the body that is missing.
this post was submitted on 07 Nov 2023
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No, it's not English semantics they are using here. It's DNA semantics. They looked for DNA markers and gene expression to define what is head or tail of various animals, and found that most of the starfish expressed those similarly to the head of other animals.