Reaching the editorial team
The comment form under any article is the way to reach us. Write your message there and it comes to the editorial team. Comments are moderated before they appear, so there is a wait between sending and seeing a reply.
Two kinds of message are especially useful to us: corrections, where you think a fact or figure in an article is wrong, and topic suggestions, where you tell us what you would like explained next. Confirmed errors are corrected and the article is updated.