Let’s play a game. Before you read on, have another look at the title of this week’s newsletter. Can you guess what a Greek myth and a band from the 1970s might have in common with fig trees? I was looking into how fig trees mineralize CO2 (more on that below) when I found myself humming an ELO song from my youth, so I opened a browser and typed: Turn to stone. Even though much of the World Wide Web has been polluted by self-interest and automated content, it is still the ultimate treasure tr...