Fifty years on, and exponential scientific advance later, it seems unlikely that the response of dinner guests would be much different. I was reminded of Snow’s test when reading the new book by Natalie Angier, science editor of the New York Times. Angier’s book is called The Canon, and subtitled ‘A Whirligig Tour of the Beautiful Basics of Science’. It is not a long book and it contains, as the title suggests, a breathless Baedeker of the fundamental scientific knowledge Angier believes is the minimum requirement of an educated person.
In many places, I found myself cringeing all over again. I’ve read a fair amount of popular science, tried to follow the technical arguments that underpin debates about global warming, say, or bird flu, listened religiously to Melvyn Bragg’s In Our Time, but still I discovered large black holes in my elementary understanding of how our world works. Angier divides her book into basic disciplines – biology, chemistry, geology, physics and so on – and each chapter offers an animated essay on the current established thinking.
The result is the kind of science book you wish someone had placed in front of you at school – full of aphorisms that help everything fall into place. For geology: ‘This is what our world is about: there is heat inside and it wants to get out.’ For physics: ‘Almost everything we’ve come to understand about the universe we have learned by studying light.’ Along the way there are all sorts of facts that stick: ‘You would have to fly on a commercial aircraft every day for 18,000 years before your chances of being in a crash exceeded 50 per cent’, for example; or, if you imagined the history of our planet as a single 75-year human life span: ‘The first ape did not arrive until May or June of the final year… and Neil Armstrong muddied up the Moon at 20 seconds to midnight.’
Excerpt: The Two Cultures by CP Snow.