British Royal Navy lieutenant and artist Norman Wilkinson is usually credited with the idea of disruptive camouflage. But, another man, naturalist John Graham Kerr, claimed that he had the idea three years earlier.
Welcome to the Brain Training Podcast, the daily audio workout for your head.
In this podcast we have two games for you, each with three rounds which get progressively harder.
To enjoy the full experience, relax, and avoid distractions whilst you listen.
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