![Mars Hill Audio Journal, Volume 140](https://mha-members.org/wp-content/uploads/2023/08/MHAJ140_1-Introduction-mp3-image-300x300.jpg)
Mars Hill Audio Journal, Volume 140
FEATURED GUESTS:
Matthew Rubery, James A. Herrick, Jack Baker, Jeffrey Bilbro, Timothy Gloege, David Hollinger, and Barrett Fisher
![Mark Shiffman: “Humanity 4.5”](https://mha-members.org/wp-content/uploads/2024/01/ARP-23-Shiffman-on-Transhumanism-2-201x300.jpg)
Mark Shiffman: “Humanity 4.5”
While it is tempting to dismiss transhumanism as a fringe science fiction, Mark Shiffman warns that the Cartesian aspirations of transhumanists are becoming more accepted and more common. (45 minutes)
![Mars Hill Audio Journal, Volume 118](https://mha-members.org/wp-content/uploads/2023/11/MHAJ118_1-Intro-mp3-image-300x300.jpg)
Mars Hill Audio Journal, Volume 118
FEATURED GUESTS: Gilbert Meilaender, Ron Highfield, Mark Mitchell, Daniel M. Bell, Jr., Helen Rhee, and Peter Brown
![Fixed certainties, fixed mysteries](https://mha-members.org/wp-content/uploads/2024/05/ARCH-42.4-–-John-Horgan-on-neuroscience-201x300.jpg)