As unbelievable as it seems, steam power, the epitome of Victorian engineering, is undergoing a renaissance. Could you soon be driving a steam-powered car?

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Comment and analysis
Cars are undoubtedly getting quicker – the super-speedy Bugatti Veyron has even been knocked off its pedestal of world’s fastest road car. So is now the time to limit the speed of road-legal cars? Tom Ford doesn’t think so...

The rise of depression
At this time of year serious depressive illnesses are at dangerously high levels. Major strides have been made in understanding this widespread illness which could lead to radical new treatments.

Made to measure
You can quantify a lot of things nowadays, including your social skills, fascist tendencies and poo. Focus takes a look at the 10 strangest and most fascinating scales.