tag:www.aibs.org,2013:/bioscience//47 2013-04-18T13:46:05Z Movable Type 4.38 tag:www.aibs.org,2013:/bioscience//47 2013-04-18T13:46:05Z Movable Type 4.38 http://www.jstor.org/stoken/ucaltoken/PTEADyvPHf6uYAIqyKKt/full tag:www.aibs.org,2013:/bioscience//47.33103 2013-04-18T13:41:57Z 2013-04-18T13:46:05Z

DNA has long been the scientific superstar; now RNA is stealing the spotlight. Before there were bacteria, before there were archaea or eukaryotes, there were ribocytes—primitive replicating microbes that did all their biochemical maneuvering with RNA alone.... <div style="clear:both;padding-top:0.2em;"><a title="Add to Any" href="http://feeds.feedblitz.com/_/26/40229766/bioscience"><img height="20" src="http://assets.feedblitz.com/i/addtoany20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Add to FaceBook" href="http://feeds.feedblitz.com/_/2/40229766/bioscience"><img height="20" src="http://assets.feedblitz.com/i/fbshare20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Like on Facebook" href="http://feeds.feedblitz.com/_/28/40229766/bioscience"><img height="20" src="http://assets.feedblitz.com/i/fblike20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Add to Google Bookmarks" href="http://feeds.feedblitz.com/_/13/40229766/bioscience"><img height="20" src="http://assets.feedblitz.com/i/googlebookmark20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Add to LinkedIn" href="http://feeds.feedblitz.com/_/16/40229766/bioscience"><img height="20" src="http://assets.feedblitz.com/i/linkedin20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Tweet This" href="http://feeds.feedblitz.com/_/24/40229766/bioscience"><img height="20" src="http://assets.feedblitz.com/i/twitter20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Add to Yahoo Bookmarks" href="http://feeds.feedblitz.com/_/6/40229766/bioscience"><img height="20" src="http://assets.feedblitz.com/i/yahoo20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Subscribe by RSS" href="http://feeds.feedblitz.com/_/20/40229766/bioscience"><img height="20" src="http://assets.feedblitz.com/i/rss20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> </div>

Marcia Stone <div style="clear:left"><p>DNA has long been the scientific superstar; now RNA is stealing the spotlight. Before there were bacteria, before there were archaea or eukaryotes, there were ribocytes&#8212;primitive replicating microbes that did all their biochemical maneuvering with RNA alone.</p><Img align="left" border="0" height="1" width="1" style="border:0;float:left;margin:0;padding:0" hspace="0" src="http://feeds.feedblitz.com/~/i/40229766/0/bioscience"> </div> <div style="clear:both;padding-top:0.2em;"><a title="Add to Any" href="http://feeds.feedblitz.com/_/26/40229766/bioscience"><img height="20" src="http://assets.feedblitz.com/i/addtoany20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Add to FaceBook" href="http://feeds.feedblitz.com/_/2/40229766/bioscience"><img height="20" src="http://assets.feedblitz.com/i/fbshare20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Like on Facebook" href="http://feeds.feedblitz.com/_/28/40229766/bioscience"><img height="20" src="http://assets.feedblitz.com/i/fblike20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Add to Google Bookmarks" href="http://feeds.feedblitz.com/_/13/40229766/bioscience"><img height="20" src="http://assets.feedblitz.com/i/googlebookmark20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Add to LinkedIn" href="http://feeds.feedblitz.com/_/16/40229766/bioscience"><img height="20" src="http://assets.feedblitz.com/i/linkedin20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Tweet This" href="http://feeds.feedblitz.com/_/24/40229766/bioscience"><img height="20" src="http://assets.feedblitz.com/i/twitter20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Add to Yahoo Bookmarks" href="http://feeds.feedblitz.com/_/6/40229766/bioscience"><img height="20" src="http://assets.feedblitz.com/i/yahoo20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Subscribe by RSS" href="http://feeds.feedblitz.com/_/20/40229766/bioscience"><img height="20" src="http://assets.feedblitz.com/i/rss20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> </div> http://www.jstor.org/stoken/ucaltoken/unuZF6FAi66pYVuhrfke/full tag:www.aibs.org,2013:/bioscience//47.33020 2013-03-20T21:48:32Z 2013-03-20T21:51:23Z

New experimental work and theoretical results seem to be whittling away lines that once divided what had seemed entirely distinct scenarios for how life began, and researchers are closing in on the ultimate chicken-or-egg question.... <div style="clear:both;padding-top:0.2em;"><a title="Add to Any" href="http://feeds.feedblitz.com/_/26/39238443/bioscience"><img height="20" src="http://assets.feedblitz.com/i/addtoany20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Add to FaceBook" href="http://feeds.feedblitz.com/_/2/39238443/bioscience"><img height="20" src="http://assets.feedblitz.com/i/fbshare20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Like on Facebook" href="http://feeds.feedblitz.com/_/28/39238443/bioscience"><img height="20" src="http://assets.feedblitz.com/i/fblike20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Add to Google Bookmarks" href="http://feeds.feedblitz.com/_/13/39238443/bioscience"><img height="20" src="http://assets.feedblitz.com/i/googlebookmark20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Add to LinkedIn" href="http://feeds.feedblitz.com/_/16/39238443/bioscience"><img height="20" src="http://assets.feedblitz.com/i/linkedin20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Tweet This" href="http://feeds.feedblitz.com/_/24/39238443/bioscience"><img height="20" src="http://assets.feedblitz.com/i/twitter20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Add to Yahoo Bookmarks" href="http://feeds.feedblitz.com/_/6/39238443/bioscience"><img height="20" src="http://assets.feedblitz.com/i/yahoo20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Subscribe by RSS" href="http://feeds.feedblitz.com/_/20/39238443/bioscience"><img height="20" src="http://assets.feedblitz.com/i/rss20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> </div>

Timothy M. Beardsley <div style="clear:left"><p>New experimental work and theoretical results seem to be whittling away lines that once divided what had seemed entirely distinct scenarios for how life began, and researchers are closing in on the ultimate chicken-or-egg question.</p><Img align="left" border="0" height="1" width="1" style="border:0;float:left;margin:0;padding:0" hspace="0" src="http://feeds.feedblitz.com/~/i/39238443/0/bioscience"> </div> <div style="clear:both;padding-top:0.2em;"><a title="Add to Any" href="http://feeds.feedblitz.com/_/26/39238443/bioscience"><img height="20" src="http://assets.feedblitz.com/i/addtoany20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Add to FaceBook" href="http://feeds.feedblitz.com/_/2/39238443/bioscience"><img height="20" src="http://assets.feedblitz.com/i/fbshare20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Like on Facebook" href="http://feeds.feedblitz.com/_/28/39238443/bioscience"><img height="20" src="http://assets.feedblitz.com/i/fblike20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Add to Google Bookmarks" href="http://feeds.feedblitz.com/_/13/39238443/bioscience"><img height="20" src="http://assets.feedblitz.com/i/googlebookmark20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Add to LinkedIn" href="http://feeds.feedblitz.com/_/16/39238443/bioscience"><img height="20" src="http://assets.feedblitz.com/i/linkedin20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Tweet This" href="http://feeds.feedblitz.com/_/24/39238443/bioscience"><img height="20" src="http://assets.feedblitz.com/i/twitter20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Add to Yahoo Bookmarks" href="http://feeds.feedblitz.com/_/6/39238443/bioscience"><img height="20" src="http://assets.feedblitz.com/i/yahoo20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> <a title="Subscribe by RSS" href="http://feeds.feedblitz.com/_/20/39238443/bioscience"><img height="20" src="http://assets.feedblitz.com/i/rss20.png" style="border:0;float:left;margin:0px 3px 0px;padding:0"></a> </div>