Reuters: Methane-spewing microbe blamed in Earth's worst mass extinction

[riky]

Methane-spewing microbe blamed in Earth's worst mass extinction

WASHINGTON (Reuters) - Sometimes bad things come in small packages.<img width='1' height='1' src='http://reuters.us.feedsportal.com/c/35217/f/654218/s/38d437a2/sc/31/mf.gif' border='0'/><br clear='all'/><br/><br/><a href="http://da.feedsportal.com/r/193360777143/u/49/f/654218/c/35217/s/38d437a2/sc/31/rc/1/rc.htm" rel="nofollow"><img src="http://da.feedsportal.com/r/193360777143/u/49/f/654218/c/35217/s/38d437a2/sc/31/rc/1/rc.img" border="0"/></a><br/><a href="http://da.feedsportal.com/r/193360777143/u/49/f/654218/c/35217/s/38d437a2/sc/31/rc/2/rc.htm" rel="nofollow"><img src="http://da.feedsportal.com/r/193360777143/u/49/f/654218/c/35217/s/38d437a2/sc/31/rc/2/rc.img" border="0"/></a><br/><a href="http://da.feedsportal.com/r/193360777143/u/49/f/654218/c/35217/s/38d437a2/sc/31/rc/3/rc.htm" rel="nofollow"><img src="http://da.feedsportal.com/r/193360777143/u/49/f/654218/c/35217/s/38d437a2/sc/31/rc/3/rc.img" border="0"/></a><br/><br/><a href="http://da.feedsportal.com/r/193360777143/u/49/f/654218/c/35217/s/38d437a2/sc/31/a2.htm"><img src="http://da.feedsportal.com/r/193360777143/u/49/f/654218/c/35217/s/38d437a2/sc/31/a2.img" border="0"/></a><img width="1" height="1" src="http://pi.feedsportal.com/r/193360777143/u/49/f/654218/c/35217/s/38d437a2/sc/31/a2t.img" border="0"/><div class="feedflare">
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