The island country of Sri Lanka in South Asia has been in the midst of an ongoing economic and political crisis since 2019. Last month, thousands of people rushed the […]
What is Morality?
“What is morality?” might be the biggest unanswered question facing humanity, other than what caused the Big Bang to form the universe. You might think the answer is simple: what […]
Speed of Evolution (Rebroadcast from Jan. 17, 2008)
Tonight, the Perpetual Notion Machine digs into our archive of shows to rebroadcast an edited version that originally aired on January 17, 2008. Our guest was John Hawks, anthropologist and […]
Violence (Rebroadcast From Feb. 2, 2006)
Tonight the Perpetual Notion Machine rebroadcasts a show that originally aired on Feb. 2, 2006. Distinguished professor of anthropology Neil Whitehead was our guest. Generally, Neil studied indigenous peoples in […]
What We Did In Bed: A Horizontal History
We think of our beds, and our bedrooms, as the most intimate, personal part of our house. The bedroom is the room that is closed off if we have guests […]
What’s New in the Science of What’s Old
In 1879, German naturalist Ernst Haeckel drew his version of a “Genealogical Tree of Humanity” to show how human beings are related to other species of animals on the earth. […]