Are my muscles more efficient than a car?

Does my body perform better than the average engine, and what's a solar minimum.....
25 May 2020
Presented by Chris Smith with Azania Mosaka, Talk Radio 702. 
Production by Chris Smith.

MUSCLES-MALE

The picture shows a man flexing his back and shoulder muscles.

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Engine efficiency, what happens when the Earth's magnetic field flips, what is a solar minimum, why are some people shorter than others and what causes dwarfism, and how can I tell planets from stars? Join 702's Azania Mosaka and Dr Chris Smith for the answers...

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