pheromones

fizkes/Shutterstock     By Aoife Morrin, Dublin City University   Hundreds of chemicals stream from our bodies into the air every second. These chemicals release into the air easily as they have high vapour pressures, meaning they boil and turn into gases at room temperature. They give clues about who we are, and how healthy we are. Since ancient Greek times, we’ve known that we smell differently when we are […]