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My article for Discourse:

Innovation is the “main event” of the modern age. It’s the reason why after millennia of comparative stagnation, the last several hundred years featured sudden, dramatic improvements in technology and therefore living standards: from steam engines to search engines, from vaccines to vaping.

It’s also a strangely localized and temporary phenomenon. At any one time, there is usually one part of the world where innovation flourishes best, attracting talent from all over: California in 1960, the U.S. East Coast in 1920, Britain in 1800, Holland in 1650, Renaissance Italy in 1500, Song China in 1000, Abbasid Arabia in 800, ancient Greece in 500 B.C., the Ganges Valley before that. These were places that were relatively wealthy, free and open to trade at the time.

This is a more detailed version of the article co-written with Alina Chan on the origin of the virus causing the Covid pandemic which was published in the Telegraph on 6 February.

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My article for The Spectator:

In the genetic diaspora of an epidemic, there is ferocious competition between strains of virus to get to the next victim first. That leads to apparently purposeful outcomes, as if the virus had a mind. One of the things people find hardest to grasp about evolution is that it appears purposeful but the mutations on which it feeds are random. How come dolphins evolved to swim if all they had to work with were random changes in genes? Viruses also mutate at random — but most people talk as though the rise and fall of these mutant versions is mainly down to chance or luck. It’s not.

Mutations occur all the time in RNA viruses; what matters is which ones find favour in natural selection. The champions of ‘Darwinian medicine’ have been calling for their colleagues to take evolution and adaptation more into account for years, and one of them, Paul Ewald of the University of Louisville, has something very relevant to say about this pandemic. Years ago, Ewald came up with a theory of why some diseases are lethal and others are mild. He argues it is all about the mode of transmission. Infections that you catch from coughs and sneezes are mostly mild; we get more than 200 different kinds of common cold virus and on the whole none of them puts you in bed, let alone kills you. Yet insect-borne diseases such as malaria, plague and yellow fever, and water-borne diseases such as cholera and typhoid, seem quite content to kill you.