scientists have discovered what appears to be ice spewing volume contain yos on the service of the planet pluta. n.a.s.a.'s aircraft made a fly past this year. from the aimages it took, researchers have spotted what appears to be two large mountains. on top there are depressions similar to volcanos found on mars and, of course, here on earth. this activity has never before been seen in the outer solar system. now, an unknown chinese buyer has bought a painting for more than $170 million dollars. it's the second highest price at auction. half a dozen bidders competed against hauch other at christie's. the master piece was painted in 1917 during the first world war. don't forget you can keep up-to-date with all the news on our website, aljazeera.com. this is a show about science, by scientists. tonight, techknow investiages dirty gold. see the color of this river? this is not normal. inside the illegal gold trade. profits are enormous,

jack pluta has the fine print. " (shaun murphy/ recently married) "we had an 11-month engagement, we just shaun murphy and aaron lopez married on their southern wisconsin farm. then, they did what heterosexual couples have done for years. (shaun murphy/ recently married) "about four weeks ago we sent our wedding announcements out to our hometown newspapers." five hometown newspapers to be exact. the announcement appeared in all of them except the lake gazette, murphys hometown newspaper. (shaun murphy/ recently married) "we didn't get a clear answer, all four announcements pretty quickly, and we were getting some mixed messages from the staff here." weary of bothering the staff, murphy reached out to the lake gazette's owner, lakeway publishers in tennessee. murphy was told he and his husband's announcement would not be published. the company said it was unclear how the industry would respond to a same-sex marriage announcement. (shaun murphy/ recently married) "i think there was a little bit of dread about it, because we knew it could get kind of messy." messy, it got. (sarah jacobs