Much to our disappointment, lobsters don't really mate for life - just a week or two of procreation, and then they move on - but one of the greatest* love stories is happening in grasslands all over the American Midwest and the Canadian Prairies. We talk to Professor Mohamed Kabbaj about his research, and to each other about science's quest to demystify love.

Music this week:

Heather Mac Rae - I Choose Love

Joan Chamorro and Andrea Motis - Feeling Good

Ella Fitzgerald - Night and Day

*if defined by the relationship lasting a lifetime, a monogamish lifestyle, and an abundance of snuggling