In the debate of nature vs. nurture, the animal world does a lot more nurturing than you might think. Science journalist Elizabeth Preston joins host Krys Boyd to discuss parenting styles of animals – like otters that teach their offspring to swim – the role dads play in caring for their young, and what science knows about love in non-human creatures. Her book “The Creatures’ Guide to Caring: How Animal Parents Teach Us That Humans Were Born to Care.