In this anniversary episode, Lester Nare and Krishna Choudhary look
back at how two longtime friends turned their regular conversations
about science into a show now shared by millions of people around
the world, and what they hope to build with FFP Nation in Year Two.
Then we turn to a new Nature paper challenging the idea that the
precolonial Amazon was sparsely populated. Airborne LiDAR revealed
hundreds of geometric earthworks hidden beneath the rainforest
canopy. Combining the new survey with earlier archaeological
evidence, the researchers estimate that the region could contain
more than 20,000 earthworks and may have supported 1.25–3 million
people around AD 100–300. Lester and Krishna explain how LiDAR sees
through dense vegetation, why early European accounts of crowded
Amazonian settlements were dismissed, how disease and forest
regrowth could erase the visible traces of large societies, and
what the findings mean for our understanding of the Amazon’s human
and environmental history. The conversation then becomes a thought
experiment: if our civilization disappeared, what would future
archaeologists—or extraterrestrial visitors—recognize as our
pyramids? Apollo landing sites, CERN, LIGO, and the James Webb
Space Telescope become candidates for the enduring signatures of a
curiosity-driven civilization. Finally, we christen the From First
Principles library. Krishna shares the mathematics, physics,
biology, history, and philosophy books that shaped how he thinks,
including Baby Rudin, Landau–Lifshitz, Fermi, Jackson, Sakurai,
Einstein, Schrödinger, Gibbs, Newton’s Principia, Plato, the
Upanishads, and Adam Becker’s What Is Real? Help shape Year Two and
enter the anniversary merch giveaway: ffpod.com/survey Support the
show: ffppod.com/donate Research and show notes: Over 20,000
precolonial earthworks in the Southwest Amazonia Nature Research
Briefing FFP episode archive and research library
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