News Earth Hawaii heat source debated New study suggests a pancake, not a plume, formed the island chain Share this:FacebookTwitterPocketRedditPrintEmail By Daniel Strain May 26, 2011 at 1:53 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