<p><span class="deck">Its waters were so precious that it was made a federal preserve in 1832. Ever since, it has been both a lavish spa for the robust and an infirmary for the frail.</span></p>
<p><span class="deck">The foremost student of a belief held by nearly half of all Americans traces its history from Darwin’s bombshell through the storms of the Scopes trial to today’s “scientific creationists," who find William Jennings Bryan to have been too liberal.</span></p>