Video: The chemistry of love

Nature wants love to feel good. Here’s how it works.

Especially for Valentines Day …. Love is chemistry, right?

The chemistry of love is the subject of this Reactions episode. The video explains how feel-good neurotransmitters like dopamine and oxytocin fuel lifelong pair bonds in prairie voles, which — along with humans — are the mammalian kingdom’s leading monogamists.