In this episode, Xavier Bonilla has a dialogue with Henry Gee about the decline and fall of the human species. They discuss the lifetime and decline of a species, when humans began to decline, what does it mean to be human, bipedalism, Homo Erectus, and slow human growth. They also talk about domestication and disease impacting humans, overpopulation concerns and low fertility rates, climate change, future of humankind, and many more topics.

Henry Gee is a Paleontologist and is the Senior Editor for the scientific journal Nature. He received his PhD from the University of Cambridge. Along with many articles, he is the author of numerous books including his most recent book, The Decline and Fall of the Human Empire. You can find his blog here.