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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>>…</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> <b>On Behalf Of </b>Anders Sandberg<br><br></span><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#1F497D'><o:p></o:p></span></b></p><p class=MsoNormal><br><span style='color:#1F497D'>>…</span>There are other expanding liquids like beryllium difluoride, but most are elements like silicon, bismuth, antimony, gallium and plutonium<span style='color:#1F497D'>…<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Ja. I can’t think of any life forms that depend on that oddball characteristic of water ice. Perhaps the remarkable thing here is that with all the ice on this planet, there are no known (to me) life forms that use it in its solid phase. One would think there would be a snow eater somewhere. Clearly it wouldn’t be to extract energy from the water (ground state compound) but rather some kind of life form that can plant itself in snow and use sunlight.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>>…</span> Even I agree that a planet with plutonium oceans is unlikely to be habitable for life. -- Dr Anders Sandberg<span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I learned a new thing by thinking about this. There is an isotope of plutonium which is non-fissile, 244. Get a sphere of the stuff, heat it to 900 and some Kelvin, you have an ocean of plutonium, with radioactive particles up the kazoo but no fission. Until Anders’ offhanded comment about an ocean of plutonium, I never knew there was such a critter. Ain’t science kewallll? {8-]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>spike <o:p></o:p></span></p></div></div><pre><span style='color:#1F497D'><o:p> </o:p></span></pre><pre><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></pre></div></body></html>