There are deep, surprising connections between words and the brain’s sense of motion through space
People whose movements are more variable pick up new motor skills more quickly
The eight wily arms of an octopus can help the animal catch dinner, open a jar and even complete a convincing disguise. But these arms are not entirely under the control of the octopus’s brain.
Unless you’ve eaten sannakji, the Korean specialty of semi-live octopus, you might never have had a squirming octopus arm in your mouth.