Forget about bodily sustenance. Instead, feed your mind by popping into one of the 25 free events that make up King’s College London’s Festival of Food & Ideas from March 7-22. It’s a springboard for all sorts of imaginative and inventive thinking around the subject of food, from the science of chocolate (tastings included) to eating disorders. Learn about the Slow Food revolution, the history of Fray Bentos, and much more. Sessions are held at lunchtime or after work, last about an hour, and tickets are free, so reserve yours before they’re booked up. The festival runs from March 7 to 22, ending, aptly enough, with a showing of the Oscar-winning Danish movie ‘Babette’s Feast’, one of the best feature films ever made about the pleasures of the meal.