Popular science topics are fairly evenly divided between those that are of pure intellectual interest, such as astronomy or relativity, and those with a direct impact on our lives - such as climate change or quantum physics. There's often a danger with the 'direct impact' that they can be a little worthy and try too hard to be deeply meaningful. For some reason this often seems to be the case with anything food related. But thankfully agriculture is a topic that is both rarely examined and ha...
