<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><a href="http://www.nature.com/news/young-poo-makes-aged-fish-live-longer-1.21770">http://www.nature.com/news/young-poo-makes-aged-fish-live-longer-1.21770</a></div><div><br></div><div>I wonder if it's more about what's present than what's absent here.<br><br><div><div style="line-height: normal;"><div style="line-height: normal;"><span style="line-height: 20px; background-color: rgba(255, 255, 255, 0);">Regards,</span></div><div style="line-height: normal;"><span style="line-height: 20px; background-color: rgba(255, 255, 255, 0);"><br></span></div><div><div style="line-height: normal;"><span style="line-height: 20px; background-color: rgba(255, 255, 255, 0);">Dan</span></div><div style="line-height: normal;"><span style="background-color: rgba(255, 255, 255, 0);">  Sample my Kindle books via:</span></div><div style="line-height: normal;"><font color="#000000" style="background-color: rgba(255, 255, 255, 0);"><a href="http://author.to/DanUst" style="background-color: rgba(255, 255, 255, 0);">http://author.to/DanUst</a></font></div></div></div><div><div style="line-height: normal;"></div></div></div></div></body></html>