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Clever cuttlefish show advanced self-control, like chimps and crows

By Alexandra Schnell, Research Fellow, Darwin College, University of Cambridge
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When I enter the marine laboratory in the morning, there’s always a chance I’m about to get soaked. You see, our crankiest common cuttlefish, called Franklin, has recently taken to squirting a water jet at me from her tank. I’ve decided it’s her grumpy way of saying she doesn’t want to participate in experiments, because Franklin never hoses me during my evening visits, which is when I’m only in the lab to give her dinner.

Cuttlefish are clever creatures, and squirting saltwater is not their only party trick. They’re experts…

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