Marta ZaraskaMarta Zaraska is a freelance writer based in France, is author of Growing Young: How Friendship, Optimism and Kindness Can Help You Live to 100 (Penguin Random House, 2020). She wrote "Shrinking Animals" in the June 2018 issue. Humans can 'smell' each other's emotions — but we don't know how Scents are not only important in our relationship to food and the natural world. They also play a role in how we communicate with people we know.
