Heliophage

Belatedly, I should point out that I am doing a few columns/posts over at the Times so that Olivia Judson can enjoy some time off. Turns out that they are about life and atmospheres, last week’s (Found in Transit) on detecting life by way of the atmospheres of other planets, this week’s (Heavy Weather) on a speculative mechanism by which life might influence the climate. One more to come next week…