It’s often said that the capacity to feel and love is unique to human beings.

But what is love, really? Science might say it is a simple cocktail of neurotransmitters and hormones that produce a feeling of attachment to other beings. If so, why should the ability to love be unique to humans? Many animals have mouths, noses and eyes, just like us.

They eat, play, take care of their own and protect their children with their own lives: all behaviors we can see in our own species. So, deep down, are we so very different? We explore these issues in our heartfelt look at nature at its most passionate in A Question of Love?