<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/2a963264-ee1d-4ed2-b1c0-f56f2a929f4c/70698A59-2AA9-493E-8BFC-12C8C3877C6B/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.abc.net.au/science/articles/2008/09/30/2377761.htm?site=science&topic=latest" href="http://www.abc.net.au/science/articles/2008/09/30/2377761.htm?site=science&topic=latest" style="font-size: 11px;">www.abc.net.au</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2008/09/30/2377761.htm?site=science&topic=latest">Julie Steenhuysen</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2008/09/30/2377761.htm?site=science&topic=latest"><P class="first">The discovery of air sacs in a new 10-metre-long, meat-eating dinosaur may seal the connection between birds and dinosaurs and explain how birds' unique breathing system evolved, scientists say.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2008/09/30/2377761.htm?site=science&topic=latest"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.abc.net.au/img/D21CD993-001B-4170-869D-35435C291FDA" alt="predatorary dinosaur Aerosteon" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2008/09/30/2377761.htm?site=science&topic=latest">A drawing of Aerosteon with the body wall removed to show a reconstruction of the lungs (red) and air sacs (other colours)</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2008/09/30/2377761.htm?site=science&topic=latest"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.abc.net.au/img/4FF637F1-9BDC-4C24-99D5-369D13A49AED" alt="85-million-year-old meat-eater Aerosteon (Todd Marshall c 2008, courtesy of Project Exploration)" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2008/09/30/2377761.htm?site=science&topic=latest"><P class="caption" id="storyPhotosCaption">85-million-year-old meat-eater Aerosteon (Todd Marshall c 2008, courtesy of Project Exploration)</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2008/09/30/2377761.htm?site=science&topic=latest"><P>Palaeontologist Dr Paul Sereno, of the <A target="_blank" href="http://www.uchicago.edu/">University of Chicago</A>, says the two-legged predator, pulled from 85-million-year-old rock along the banks of Rio Colorado in Argentina's Mendoza Province, weighed as much as an elephant and likely had feathers.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2008/09/30/2377761.htm?site=science&topic=latest"><P>But writing in the journal <A target="_blank" href="http://www.plosone.org"><EM>Public Library of Science ONE</EM></A>, Sereno says its method of breathing makes this dinosaur stand out.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2008/09/30/2377761.htm?site=science&topic=latest"><P>Instead of lungs that expand and contract, Sereno thinks this beast had air sacs that worked like a bellows, blowing air into the beast's stiff lungs, much like modern birds.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/70698A59-2AA9-493E-8BFC-12C8C3877C6B/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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