Summary: This week, smells, pheromones and anosmia. We talk to a patient with no sense of smell, hear why odours might be more down to the way molecules vibrate that how they are shaped, we look at the role that genes play in what we can smell and hear how pheromones affect how we feel. Plus, in the news, the legacy of double Nobel laureate Fred Sanger who died this week, a new water-repelling material which rejects water faster than ever before, an ode to World Toilet Day, the swarm of tiny satellites which are helping to miniaturise space missions, and we hear about the bacteria that have acquired mammoth genes from an old bone...
