Explore the profound journey of Dr. Harrison Schmitt, the last man to walk on the moon and a pioneering geologist. Hear firsthand accounts of lunar exploration, the iconic "Blue Marble" image, and the scientific endeavors of Apollo 17. Dr. Schmitt also discusses the future of space exploration, including lunar resource utilization and the intriguing convergence of science and faith.

Dr. Stephen Barr, president of the Society of Catholic Scientists, argues that the supposed war between science and religion is a myth resting on confused philosophy, bad history, and a misreading of scientific discovery. Philosophically, he traces the modern idea of "laws of nature" back to the biblical conception of God as rational lawgiver, and uses the primary/secondary causality distinction—illustrated by asking what caused Polonius's death in Hamlet (Hamlet's dagger and Shakespeare's pen are both 100% the cause, at different levels)—to show that natural explanations and divine causation aren't competitors. Historically, he dismantles the 19th-century "conflict thesis" popularized by Draper and White, noting that virtually every founder of modern science (Copernicus, Kepler, Galileo, Descartes, Pascal, Boyle, Newton) was a devout believer, and that Catholic priests founded entire fields of science outright: Mendel (genetics), Lemaître (Big Bang cosmology), Steno (geology), Secchi (astrophysics), and Mersenne (acoustics). Turning to the actual content of 20th-century discoveries, Barr walks through five "plot twists" that moved science closer to, not further from, the religious picture of the world: the universe turns out to have had a beginning (the Big Bang); quantum mechanics undercut the deterministic physics that seemed to rule out free will; the universe's finely-tuned laws appear "tailor-made" for life (per Hawking and Witten, both non-believers); the universe's vast size and age are a precondition for, not evidence against, our existence; and quantum measurement suggests consciousness isn't fully reducible to matter. He closes by quoting physicist Ed Witten's remark that the mathematical structure of physics makes it seem "as though the world had been created by a mathematician."

Framed by Pope Leo XIV's Magnifica Humanitas ("ours is the pressing duty to remain profoundly human"), Dr. Eric Jenislawski argues that large language model AIs, however uncanny they feel in conversation, are not intelligent in the way human beings are. Human consciousness is free, self-reflective, capable of judgment about truth and value, and oriented toward ultimate questions that lead the soul toward God; AI, by contrast, is a deterministic system of matrix multiplication trained on human-authored text, and its impressive output reflects the borrowed genius of its programmers and the millions of writers in its training data—not genuine understanding. He warns against the "fallacy of functionalism," the mistake of assuming that because a machine produces a result once achieved only by human intelligence, it must be doing so through a humanlike process (his coin-counting-machine analogy). Turning to prospects and perils, Jenislawski affirms AI's real practical value—for business efficiency, accessibility, and specialized tasks like medical imaging or text-to-speech—while walking through concerns Magnifica Humanitas raises: the "technocratic paradigm" that lets efficiency and profit override human judgment; AI's tendency toward confident inaccuracy ("hallucination"); hidden ideological bias baked into corporate "alignment" policies; the need to keep specific humans accountable for AI-assisted decisions; AI-amplified disinformation; the de-skilling risk of over-reliance (the rationale behind his college's restrictive AI-in-coursework policy); AI-driven surveillance; and the encyclical's near-categorical prohibition on entrusting lethal or irreversible decisions to autonomous weapons systems.