Listen for sounds carried by the wind. Another unicorn's call came to him on the wind. -- Hasüfel, "Alma's World: The Far Plains" (2004) If not distorted by foliage, a wind gust might carry fragrances from afar, winged seeds, the moans of trees, echoes of laughter and distant whistles, the howls of storms, sudden chills, the invocations printed on prayer flags, and the sounds of a gamboling unicorn. It is common knowledge that unicorn sound waves can be better detected downwind of the beast than upwind. But why is