5 Numbers with Professor Lewis (311)

<p><span style="font-size: 10pt;">Are there more questions than answers ? Dr Karl probes Prof. Lewis on 5 numbers from a Science magazine.  How much (or little) do we know?</span></p> <p><a href="https://four.libsyn.comdrkarl.com"><span style= "font-size: 10pt;">drkarl.com</span></a></p> <p><span style="font-size: 10pt;"><a title="geraintflewis.com" href="https://www.geraintflewis.com/">geraintflewis.com</a></span></p> <p> </p>