Matthew Cobb is Professor of Zoology at the University of Manchester. He has a degree in Psychology and has studied the sense of smell in maggots and other animals for over 30 years. Since 2004, he has taught a final-year course at Manchester on Chemical Communication in Animals, which is the basis for this book. His favourite smells are the back of a baby's neck, and petrichor: the smell of soil in the summer after it has rained. In 2015, he was shortlisted for the Royal Society Book Prize for his book Life's Greatest Secret: The Race to Crack the Genetic Code (Profile Books, 2015).