Q.E.D S03 E01 Old Wives' Tales

Does thunder make the milk go sour? Do frogs and cows really know when it's going to rain? Are bee stings good for rheumatism? And why should a dog worry about getting too close to a walnut tree? PROFESSOR DILLY enthusiastically travels the Cotswolds on the track of the old wives. He takes a light-hearted look at some of the tales our grandmothers told us. Do these time-tested rules of rural life work? Well. he tries to answer that too.