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To those who says it is "Evolution"
Yassin_M
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5-27-2008 7:20 PM
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<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:#ccffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.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/92ed2808-7375-4d1e-991e-446ad8be9608/C53EC828-DF9A-4C92-9E20-926EA7A88809/" 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.newscientist.com/article/dn13991-horror-frog-breaks-own-bones-to-produce-claws.html" href="http://www.newscientist.com/article/dn13991-horror-frog-breaks-own-bones-to-produce-claws.html" style="font-size: 11px;">www.newscientist.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/dn13991-horror-frog-breaks-own-bones-to-produce-claws.html"><DIV class="floatleft" id="artheadcopy"> <H2 class="inline">'Horror frog' breaks own bones to produce claws</H2> <UL class="straptext notlist highlight colspacer"> <li style="margin-left:16px;padding-left: 0px;"> 00:01 28 May 2008 </LI> <li style="margin-left:16px;padding-left: 0px;"> NewScientist.com news service </LI> <li style="margin-left:16px;padding-left: 0px;">Catherine Brahic</LI> </UL> </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.newscientist.com/article/dn13991-horror-frog-breaks-own-bones-to-produce-claws.html"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.newscientist.com/img/62541AC1-79EF-4FC8-BD56-94DDD431690A" alt="The sharp bony claws look like small barbs (Image: Blackburn)" /></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.newscientist.com/article/dn13991-horror-frog-breaks-own-bones-to-produce-claws.html"><P>"Amphibian horror" isn't a movie genre, but on this evidence perhaps it should be. Harvard biologists have described a bizarre, hairy frog with cat-like extendable claws.</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.newscientist.com/article/dn13991-horror-frog-breaks-own-bones-to-produce-claws.html"><P><I>Trichobatrachus robustus</I> actively breaks its own bones to produce claws that puncture their way out of the frog's toe pads, probably when it is threatened.</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.newscientist.com/article/dn13991-horror-frog-breaks-own-bones-to-produce-claws.html"><P><A target="NS" href="http://www.projectexploration.org/projectfrog/team.htm">David Blackburn</A> and colleagues at Harvard University's <A target="ns" href="http://www.mcz.harvard.edu/">Museum of Comparative Zoology</A>, think the gruesome behaviour is a defence mechanism.</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.newscientist.com/article/dn13991-horror-frog-breaks-own-bones-to-produce-claws.html"><P>The researchers say there are salamanders that force their ribs through their skin to produce protective barbs on demand, but nothing quite like this mechanism has been seen before.</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.newscientist.com/article/dn13991-horror-frog-breaks-own-bones-to-produce-claws.html"><H5>Instant weapon</H5></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.newscientist.com/article/dn13991-horror-frog-breaks-own-bones-to-produce-claws.html"><P>"Some other frogs have bony spines that project from their wrist, but in those species it appears that the bones grow through the skin rather than pierce it when needed for defence," says Blackburn.</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;"> </td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/C53EC828-DF9A-4C92-9E20-926EA7A88809/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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