Visit the Dutch town of Oudewater and you can step onto the oversized scales of its historical witches’ weighing house. From the 16th century onwards, accused witches travelled there to be weighed and, if heavy enough, leave with a certificate proclaiming their innocence. Witches could fly, it was believed, so the logic went that they must be supernaturally lightAmid the witch hunts that swept through Europe betweenhellip;read more raquo;