The fine search-engine DuckDuckGo is getting sort-by-date filters and website sub-section links very shortly.

Also, Google is now back to honouring site: searches in full. Over the last month or so, a site: search (with no additional keyword or phrase) only ever returned one lone link. Now the full set of links is showing up again, as they used to.

And Yandex has started enforcing word substitutions, when it ‘thinks’ a word is spelled incorrectly. This change makes Yandex useless for academic search, because there’s no way around it. For instance…