From luscious strawberries that deceive us into thinking they are sweeter than they actually are, to the tastiest French sea salt combined with caramel that delights the tongue. This episode unpacks the wonderful evolutionary story of our food and our sense of taste and smell.

Explore the effect that our food has on our most important and, in terms of energy consumption, our greediest organ. It influences our diet by generating cravings for foods such as fat - the most energy-rich food of them all. This episode reveals the surprising link that fat-rich, indulgent chocolate has with breast milk. A team is studying the effect of caffeine on bees and how that may help explain the hold that caffeinated drinks have over us.