Starfish ‘arms’ are actually extensions of their head, scientists say - The Guardian
- Starfish ‘arms’ are actually extensions of their head, scientists say The Guardian
- Starfish do not have arms, but a five-pointed head, study says The Washington Post
- Scientists reveal where a starfish's head is - with VERY surprising results Daily Mail
- Long presumed to have no heads at all, starfish may be nothing but Phys.org
- How would a starfish wear trousers? Science has an answer nature video
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