" Tuna fish demonstrate a sophisticated understanding of astronomy: when the winter solstice arrives, the whole school stops precisely where it is in the water, and stays there until the following spring equinox. They know geometry and arithmetic too, for they have been observed to form themselves into a perfect cube of which all six sides are equal. "

― Sarah Bakewell , How to Live: A Life of Montaigne in One Question and Twenty Attempts at an Answer