Update and thanks from John Campbell Thanks so much to all supporters, it means a lot. 2023-05-08 14:00:00 - Dr. John Campbell More Posts Madonna | Jump (2006) Isaac Arthur | Planetary Terraforming Strategies (2023) Astrum | Why Artemis 1 Must Not Fail (2022) Veo Twelve Days Later | The Oops All Evil Chefs Edition Sabine | Is it Eugenics to Breed for Intelligence?