Life on Mars? Fossil find shows it's possible

LONDON (Reuters) - Scientists have found Earth's oldest fossils in Australia and say their microscopic discovery is convincing evidence that cells and bacteria were able to thrive in an oxygen-free world more than 3.4 billion years ago.<img width='1' height='1' src='http://mf.feeds.reuters.com/c/871/f/415342/s/178cd407/mf.gif' border='0'/><div class='mf-viral'><table border='0'><tr><td valign='middle'><a href="http://res.feedsportal.com/viral/sendemail2.html?title=Life+on+Mars%3F+Fossil+find+shows+it%27s+possible&link=http%3A%2F%2Fuk.reuters.com%2Farticle%2F2011%2F08%2F21%2Fuk-fossils-life-idUKTRE77K1TF20110821%3FfeedType%3DRSS%26feedName%3DtopNews" target="_blank"><img src="http://res3.feedsportal.com/images/emailthis2.gif" border="0" /></a></td><td valign='middle'><a href="http://res.feedsportal.com/viral/bookmark.cfm?title=Life+on+Mars%3F+Fossil+find+shows+it%27s+possible&link=http%3A%2F%2Fuk.reuters.com%2Farticle%2F2011%2F08%2F21%2Fuk-fossils-life-idUKTRE77K1TF20110821%3FfeedType%3DRSS%26feedName%3DtopNews" target="_blank"><img src="http://res3.feedsportal.com/images/bookmark.gif" border="0" /></a></td></tr></table></div><br/><br/><a href="http://da.feedsportal.com/r/110621770963/u/0/f/415342/c/871/s/178cd407/kg/253-264/a2.htm"><img src="http://da.feedsportal.com/r/110621770963/u/0/f/415342/c/871/s/178cd407/kg/253-264/a2.img" border="0"/></a> [More]

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