News Dark Power: Pigment seems to put radiation to good use Share this:FacebookTwitterPocketRedditPrint By Davide Castelvecchi May 23, 2007 at 11:29 am 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