Recently I dreamed of a giant squid with a huge eye made of a thousand tiny fish. If one fish swam away, the squid had a blank spot in its vision until another fish replaced it.

What could it mean? Teamwork? Life’s interconnectedness? Or just the typical dreams of a weird-animal writer? (See "Why Do We Dream? To Ease Painful Memories, Study Hints.")

Whatever the reason, it fits well with Saturday’s Weird Animal Question of the Week, which Unni Krishnan asked us on Facebook: “Do animals dream?”

It’s uncertain whether animals dream, but “it seems very likely,” Hugo Spiers, an experimental psychologist at University College London, says via email. (Find out whether big animals always sleep standing up.)

Spiers and