Say the word "yoga" and most people will think of people assuming strange shapes with their bodies to stretch and contort their muscles.

Friendship is one of the phenomena that evolution psychology has long had in its sights. Charles Darwin himself pondered the adaptive advantage of sympathy in The Descent of Man, though it worried him it must come from a 'low motive', namely survival.

When you think of Holland, you probably think, too, of windmills, clog dancing and cheese. The tourism board knows it, for sure, but one association that you have probably never made, is that of the Dutch and the Fairtrade movement.

I am one of those children for whom Advent calendars meant just one thing: chocolate - a daily dose ahead of a Christmas Day overdose. I can't rememb...