Valentine’s Day is here - the one day of the year where you can be unashamedly romantic and splash out on posh dinners, flowers and chocolates for your beloved. So we dig into the science of love.
First, we find out about a monogamous rodent that has a special way of forming lifelong bonds with its partner. Next, we discover how to apply maths to your love life, before delving into the technology behind AI chatbots, and find out if a new dating app can help shine a light on the science of compatibility.
Listen to the broadcast on BBC World Service.
