Octopuses can be incredibly smart because of this genetic quirk they share with humans

Octopuses may have acquired some of their exceptional intelligence from the same evolutionary process humans went through, a new study suggests.

The process involved a sudden explosion of microRNAs (miRNAs) – small, non-coding molecules that control how genes are expressed. This increase may have helped octopus and human brains develop new types of nerve cells, or neurons, that were sewn together into more complex neural networks.

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