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? <a href="https://four.libsyn.comdrkarl.com">drkarl.com</a> <a title="geraintflewis.com" href="https://www.geraintflewis.com/">geraintflewis.com</a>

Converging with A-Prof Ball (312)

Dr Karl’s a curious optimist – a great combination for a science lover. Join him and his guests for weird facts, amazing conversation and remember, it’s never too late for a happy childhood. 
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