http://clipmarks.com/popular/date/2007/3/26/http://rss.clipmarks.com/popular/date/2007/3/26/15Clip, tag and save information that's important to you. Bookmarks save entire pages...Clipmarks save the specific content that matters to you!en-ushttp://clipmarks.com/clipmark/67939F9C-9593-42BC-9D9B-9F7F66FBE56E/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/debbyski/">debbyski</a><br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://news.yahoo.com/s/livescience/20070326/sc_livescience/raresemiidenticaltwinsdiscovered" title="http://news.yahoo.com/s/livescience/20070326/sc_livescience/raresemiidenticaltwinsdiscovered">news.yahoo.com</a></span></div><div style="padding: 10px;"><div style="text-align:left;"><P> Twins can be identical, fraternal and apparently semi-identical, scientists now report.</P></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><P>Researchers discovered twins who are identical on their mom's side of the equation but share only half their <A href="http://www.livescience.com/humanbiology/060529_mm_genes.html" rel="nofollow">genes</A> from dad.</P></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><P>Here's how it happened: Two <A href="http://www.livescience.com/humanbiology/060208_hyper_sperm.html" rel="nofollow">sperm</A> cells fertilized one egg—an event assumed to be very rare—then split into two embryos. </P></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><P>"Their similarity is somewhere between identical and fraternal twins," said geneticist Vivienne Souter, of the Banner Good Samaritan Medical Center in Phoenix, Arizona. "It makes me wonder whether the current classification of twins is an oversimplification."</P></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><P>The finding, detailed in the Journal of Human Genetics, was reported today by news@nature.com, the online site of the journal Nature. </P></div></div></div></div><br><div style="margin-bottom: 40px;">Tags: <a href="http://clipmarks.com/tags/science/" rel="tag">science</a>, <a href="http://clipmarks.com/tags/biology/" rel="tag">biology</a>, <a href="http://clipmarks.com/tags/twins/" rel="tag">twins</a>, <a href="http://clipmarks.com/tags/rare/" rel="tag">rare</a></div>http://news.yahoo.com/s/livescience/20070326/sc_livescience/raresemiidenticaltwinsdiscoveredTue, 27 Mar 2007 00:49:38 GMThttp://clipmarks.com/clipmark/231528BB-41FC-44F7-85AE-D11C25C54AAF/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/learnjoy/">learnjoy</a><br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://www.24dash.com/content/news/viewNews.php?navID=47&newsID=7986" title="http://www.24dash.com/content/news/viewNews.php?navID=47&newsID=7986">www.24dash.com</a></span></div><div style="padding: 10px;"><div style="text-align:left;"><H1>'Magic mushrooms' could treat depression - new research shows</H1></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><img src="http://content8.clipmarks.com/image_cache/learnjoy/512/8552ED36-114A-44BC-AD4B-EF6F6899BD83.jpg" alt="Magic mushrooms" /><br /></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><P>Scientists are to investigate a hallucinogenic chemical in "magic mushrooms" as a possible new treatment for depression, anxiety and drug dependence.</P></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><P>The move follows an unusual study which showed that the compound, psilocybin, can prompt long lasting positive changes in mood and behaviour.</P></div></div></div></div><br><div style="margin-bottom: 40px;">Tags: <a href="http://clipmarks.com/tags/depression/" rel="tag">depression</a>, <a href="http://clipmarks.com/tags/mushrooms/" rel="tag">mushrooms</a></div>http://www.24dash.com/content/news/viewNews.php?navID=47&newsID=7986Tue, 27 Mar 2007 01:17:23 GMT