<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><blockquote type="cite"><p><u><font color="#0000ff" size="4"><a moz-do-not-send="true" href="http://www.sciencemag.org/cgi/content/full/320/5881/1261">http://www.sciencemag.org/cgi/content/full/320/5881/1261</a></font></u></p><pre class="moz-signature" cols="72"></pre> </blockquote></div><br><div> <span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div>Eric M.K Osiakwan</div><div>ICT Integrator</div><div>Internet Research</div><div>www.internetresearch.com.gh</div><div><a href="mailto:emko@internetresearch.com.gh">emko@internetresearch.com.gh</a></div><div>42 Ring Road Central, Accra-North</div><div>Tel: +233.21.258800 ext 2031</div><div>Fax: +233.21.258811</div><div>Cell: +233.24.4386792</div><div><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span> </div><br></body></html>