John and Lynn have Dr. Thalma Lobel, author of "Sensation: The New Science of Physical Intelligence", who is one of the world's leading expert on human behavior. In the second half, David Waltham, author of "Lucky Planet: Why Earth Is Exceptional and What That Means For Life In The Universe". Waltham paints a complex picture of how special Earth's climate really is.
Cool Science Radio - May 1, 2014
