News Humans Hidden dalliance revealed by X-rays Analysis uncovers a 19th century do-over Share this:FacebookTwitterPocketRedditPrintEmail By Rachel Ehrenberg March 31, 2011 at 4:24 pm This article is only available to Science News subscribers. Subscribers, enter your e-mail address to access our archives. Client key* E-mail* Log in Not a subscriber? Science News is a nonprofit. Support us by subscribing now. Subscribe