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<div class=Section1>
<p class=MsoNormal><i><span style='font-family:"Arial","sans-serif"'>Nature </span></i><span
style='font-family:"Arial","sans-serif"'>(2016)<o:p></o:p></span></p>
<p class=MsoNormal><span class=apple-converted-space><span style='font-family:
"Arial","sans-serif"'> </span></span><span style='font-family:"Arial","sans-serif"'>doi:10.1038/nature21102<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>Published
online 14 December 2016<o:p></o:p></span></p>
<h1 style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:15.0pt;
margin-left:0in'><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:#222222;letter-spacing:-.4pt;font-weight:normal'><o:p> </o:p></span></h1>
<h1 style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:15.0pt;
margin-left:0in'><span style='font-size:21.5pt;font-family:"Arial","sans-serif";
color:#222222;letter-spacing:-.4pt;font-weight:normal'>Biomaterials: Sharks
shift their spine into high gear<o:p></o:p></span></h1>
<p class=MsoNormal style='margin-left:0in;text-indent:-.25in;mso-list:l2 level1 lfo1'><![if !supportLists]><span
style='font-size:10.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span
style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-family:"Arial","sans-serif"'><a
href="http://www.nature.com/nature/journal/vaop/ncurrent/full/nature21102.html?WT.ec_id=NATURE-20161215&spMailingID=52992218&spUserID=MjA1NTE2ODQxMAS2&spJobID=1062902411&spReportId=MTA2MjkwMjQxMQS2#auth-1"><span
class=fn><span style='color:windowtext;text-decoration:none'>Matthew A. Kolmann</span></span></a>
&<span class=apple-converted-space> </span><a
href="http://www.nature.com/nature/journal/vaop/ncurrent/full/nature21102.html?WT.ec_id=NATURE-20161215&spMailingID=52992218&spUserID=MjA1NTE2ODQxMAS2&spJobID=1062902411&spReportId=MTA2MjkwMjQxMQS2#auth-2"><span
class=fn><span style='color:windowtext;text-decoration:none'>Adam P. Summers</span></span></a><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:0in;text-indent:-.25in;mso-list:l2 level1 lfo1'><![if !supportLists]><span
style='font-size:10.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span
style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><b><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></b></p>
<p style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:15.0pt;
margin-left:0in'><span style='font-family:"Arial","sans-serif"'>It emerges that
a dogfish shark's spine becomes stiffer as the fish swims faster, enabling the
animal to swim efficiently at different speeds. The finding could also provide
inspiration for the design of robotic biomaterials.<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
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