Working out comparative rates of British civilian and military casualties during the Second World War, by service and over time. Making tables and drawing graphs.
The Defence of Britain Project, with its images, maps and records, particularly on the anti-invasion defences constructed in 1940. A very rich site, with much useful material for all sorts of research. And, via the Archaeology Data Service, a download that allows you to locate sites on Google Earth.
The newish Times Higher site, and particularly Alex Danchev’s review of Darius Rejali’s Torture and Democracy.