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From First Principles

From First Principles

Author: Krishna Choudhary and Lester Nare

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From First Principles is a fast, funny, and rigorous breakdown of the biggest science stories of the week, hosted by Lester Nare and physicist Krishna Choudhary, PhD. We go past headlines into the actual mechanics: what happened, why it matters, and what everyone’s missing.

Expect physics, space, AI, energy, biotech, and the occasional “wait… is that real?” story. If you’re curious, skeptical, and you like learning in public — you’re in the right place.
28 Episodes
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Hosted by Lester Nare and Krishna Choudhary, this episode has two main stories: an astrophysics update on a candidate “dark galaxy” in the Perseus Cluster (a halo that’s ~99.9% dark matter), and a major Alzheimer’s mechanism paper tracing how exercise protects the brain by repairing the blood–brain barrier—with an actionable drug-like path already emerging.SummaryCandidate dark galaxy — Hubble + Euclid stacking and globular clusters reveal an ultra-faint halo that could test missing satellites and the cusp–core problem (and even “fuzzy dark matter”).Exercise → Alzheimer’s mechanism — UCSF links a liver enzyme (GPLD1) to BBB repair via TNAP regulation, plus an oral TNAP inhibitor (SBI-425) that mimics the effect in mice.Rundown — Rubin Observatory’s real-time alert engine, AI-accelerated magnet discovery, a climate-corrected Easter Island history, and the Boba-Kiki effect in baby chicks.Support the showDonate: FFPod.com/donateFollow: @FFPod (X / Instagram / TikTok / Facebook)
Hosted by Lester Nare and Krishna Choudhary, this episode has three main stories: interactive dream engineering (yes, two-way “communication” during lucid dreaming), the proton radius puzzle finally getting resolved by a precision lab measurement, and a sobering but hopeful look at ALS—including a breakthrough “ALS-in-a-dish” model that could finally make drug screening translate to humans.SummaryDream engineering — targeted cues + induced lucidity → dream-content biasing and measurable next-day performance gains.Proton radius puzzle — precision hydrogen spectroscopy resolves the decade-long discrepancy; normal hydrogen agrees with muonic hydrogen.ALS — a predictive iPSC motor-neuron model that correlates with patient survival and reveals a promising multi-drug synergy.Rundown — pulsar near the Milky Way center, AI decoding a Roman board game, hormones + evolution signals, and AI-in-the-loop protein engineering.Support the showDonate: FFPod.com/donateFollow: @FFPod (X / Instagram / TikTok / Facebook)
Hosted by Lester Nare and Krishna Choudhary, this episode is a Winter Olympics deep dive from first principles—physics, neuroscience, and climate science in one ride.• Why ice is slippery: the “water layer” story is incomplete—new nanoscale measurements suggest a far more viscous, thicker interfacial film than textbook intuition.• Choking under pressure: how high stakes can disrupt neural control—reward signals can push brain states out of the “optimal zone.”• Climate change vs winter sports: why artificial snow has limits, why some legacy venues may become unreliable, and what “snow farming” is trying to solve.• Rundown: AI doing physics proofs, cat vocalizations, immune epigenetics, origin-of-life genetics, and an “impossible” exoplanet system.Support the show: FFPpod.com/donateFollow: @FFPod (X / Instagram / TikTok / Facebook)00:00 Intro00:32 Episode setup02:15 Why is ice slippery?33:23 Rundown + housekeeping + donate01:09:11 Choking under pressure (neuroscience)01:32:32 Climate change & the Winter Olympics + potpourri01:43:47 Wrap-up + closing
Hosted by Lester Nare and Krishna Choudhary, this episode jumps from plant biochemistry to quantum metrology to cancer evolution. We start with a University of York breakthrough that solves a ~50-year mystery in alkaloid biosynthesis—identifying the “missing” enzyme behind a key asymmetric step plants use to build powerful defensive (and pharmaceutically useful) molecules. Then we go deep on quantum sensing with entangled atomic clouds, showing how correlated measurements can beat the standard quantum limit. Finally, we close with ALFA-K, a new tool that maps local fitness landscapes to predict how aneuploid cancers may evolve under pressure from therapy.SummaryPlants making medicines — the “phantom enzyme” in alkaloid biosynthesis and why solving this pathway matters for scalable drug production.Quantum measurements with entangled atom clouds — squeezed/entangled states, noise reduction, and why correlations unlock better sensing.Predicting cancer evolution — ALFA-K and measurable fitness landscapes for aneuploidy-driven trajectories under treatment.Show NotesStory 1 — Plant alkaloid biosynthesis (University of York)Paper — New PhytologistStory 2 — Quantum measurements with entangled atomic clouds (University of Basel)Paper — ScienceStory 3 — Alpha-K (Moffitt Cancer Center)Paper — Nature Communications
Hosted by Lester Nare and Krishna Choudhary, this episode is a full-spectrum moonshot: why Artemis II matters, how the mission actually works (SLS, Orion, translunar injection, free-return trajectories), and a first-principles teardown of the most common Apollo “hoax” claims—Van Allen belts, waving flags, shadows, and “why aren’t there stars?”We also run a quick Rundown of wild science headlines (ancient cave art, elevation-dependent warming, dogs and vocabulary, and peptide bonds in deep space), before coming back to the core question: what it takes to send humans safely around the Moon—again.SummaryArtemis II mission profile — what “free return” means, why TLI timing matters, and what Orion is doing in high Earth orbit before the Moon.SLS vs Saturn V — the engineering and risk trade-offs behind modern human-rated heavy lift.Apollo myths, explained — radiation belts, camera exposure physics, and why the “flag,” “shadows,” and “no stars” arguments don’t survive basic mechanics and optics.Proof Apollo happened — retroreflectors, orbital imagery, and the reality that the world was watching.Show NotesNASA Artemis ProgramNASA Orion SpacecraftNASA Space Launch System (SLS)NASA Apollo 11 Mission Overview
Hosted by Lester Nare and Krishna Choudhary, this episode runs from JWST’s “Little Red Dots” (and what they imply about early supermassive black holes), to a TimeVault method for recording gene expression over time, to 8,000-year-old Halaf pottery that may encode geometric sequences — plus a quick Cloud9 follow-up on the “starless dark-matter halo” debate.SummaryJWST’s Little Red Dots — why these compact red sources don’t behave like normal galaxies or quasars, and how an ionized-gas “cocoon” model could reconcile the data.TimeVaults — a genetically encoded “vault” that protects RNA long enough to capture time-series biology, not just snapshots.Math before numbers — Halafian motifs that appear to follow geometric sequences (4–8–16–32–64) and what that suggests about early cognition.Cloud9 update — what new data would actually settle RELHIC vs. “dark galaxy.”Show NotesJWST “Little Red Dots” (Nature)TimeVaults (Science)Halaf pottery + prehistoric mathematical thinking (Journal of World Prehistory)Cloud9 / RELHIC follow-up (arXiv)
Hosted by Lester Nare and Krishna Choudhary, this episode runs from the deep math of string theory to the biology of sleep—then out to a starless “ghost cloud” that may be a naked dark-matter halo. We open with a Nature paper showing that physical networks in nature (brains, blood vessels, fungal networks) appear to organize like energy-minimizing surfaces—spitting out the same branching rules you see in soap films and (surprisingly) in the mathematics behind string theory. Then we hit a neuroscience twist: even simple jellyfish need sleep—and the evidence points to sleep as a repair cycle for DNA damage. We close with Cloud9, a newly characterized, starless gas cloud that could be a rare “reionization-limited” RELHIC—potentially exposing a dark matter halo without the glare of stars.SummaryString theory… in your body? Why real-world transport networks converge toward minimal-energy geometry—and what that has to do with string-theory math and 120° branching angles.Jellyfish need sleep (and it’s not optional): Evidence that sleep pressure tracks cellular stress and DNA damage repair—even in a brainless animal.Cloud9: A nearby starless cloud that may be a dark matter halo in plain sight—plus what it implies about “missing” galaxies and the post-reionization universe.The Rundown: iron asteroids, artificial metabolism (ReForm), scalable helper T-cells from stem cells, and NASA’s Pandora exoplanet mission.Show NotesPhysical networks / string-theory-like math (Nature)Jellyfish sleep & DNA repair (Nature Communications)Cloud9 (Astrophysical Journal Letters)
Hosted by Lester Nare and Krishna Choudhary, this episode jumps from ancient engineering to modern AI and markets. We start with the newly uncovered Pompeii worksite that finally shows how Romans mixed their concrete — and why it “self-heals.” Then we pivot into a Princeton neuroscience idea that the brain builds complex thought like LEGO bricks (compositional neural subspaces). From there, we break down DeepSeek’s “manifold-constrained hyperconnections” as a stability mechanism for scaling deep nets. And we close with econophysics: a Physical Review Letters result arguing the square-root law of market impact is strictly universal across stocks and time.SummaryRoman concrete’s missing step — Pompeii evidence for “hot mixing,” lime clasts, and why cracks can heal themselves for millennia.Cognitive LEGOs — a compositionality framework where brains reuse shared neural subspaces to assemble new tasks.DeepSeek’s scaling trick — constraining hyperconnections to a stable manifold to avoid vanishing/exploding signals.The universal market law — PRL evidence that price impact follows a square-root rule across stocks, traders, and decades.Show Notes⁠Roman Concrete (Pompeii worksite) — Nature Communications (2025)⁠⁠Hot Mixing & Lime Clasts — Science Advances (2023)⁠⁠Compositional Neural Subspaces (“Cognitive LEGOs”) — Nature (2025)⁠⁠mHC: Manifold-Constrained Hyper-Connections — arXiv⁠⁠Square-Root Law of Market Impact (Universality) — Physical Review Letters⁠⁠Artemis II Countdown Demonstration Test — NASA
Hosted by Lester Nare and Krishna Choudhary, this Season Finale closes out Season 1 with a deep dive into the physics behind fusion’s biggest bottleneck: fast magnetic reconnection. We unpack why classic models predicted reconnection should be slow, why nature (and tokamaks) disagree, and how modern “plasmoid” reconnection helps explain solar flares, plasma instabilities, and the real engineering challenges fusion reactors face. Then we run a full Season 1 recap — our favorite episodes, biggest scientific moments, and the corrections and lessons we’re taking into Season 2.SummaryFusion’s biggest problem — magnetic reconnection, why the Sweet–Parker model breaks down at scale, and how plasmoid instability enables fast reconnection.From the Sun to tokamaks — how reconnection drives solar flares, space weather, and plasma confinement limits in fusion devices.Season 1 leaderboard — our top episodes and the breakthroughs that stuck: astronomy, biology, AI, quantum, and the history of science.Corrections + what’s next — what we fixed, what we learned, and how Season 2 evolves the format.
Hosted by Lester Nare and Krishna Choudhary, this single-story deep dive tells the full story of how humanity uncovered the structure of DNA — and the human tensions that shaped it. From Mendel’s pea-plant mathematics to Rosalind Franklin’s groundbreaking x-ray crystallography, from Cavendish–King’s College rivalries to the famous Photo 51, this episode follows the scientific and ethical arc behind one of the most important discoveries in modern biology.SummaryBefore DNA — Mendel’s inheritance laws, Miescher’s nuclein, Levene’s early models, and why scientists initially believed proteins carried heredity.The turning point — Griffith’s transformation experiment and the Avery–MacLeod–McCarty proof that DNA is the genetic material.The physics connection — Schrödinger’s What Is Life? and the idea of an “aperiodic crystal” inspiring Watson, Crick, and a generation of physicists to enter biology.Two labs, one race — Cavendish vs. King’s College, Wilkins vs. Franklin, and the clash of personalities, methods, and interpretations.Photo 51 — Franklin and Gosling’s pivotal diffraction image revealing the helical structure of DNA.The model — base pairing, antiparallel strands, and why the double helix immediately explained replication.Recognition & legacy — the 1953 Nature papers, the 1962 Nobel Prize, Franklin’s omission, and Watson’s later controversies reshaping his legacy.Show NotesMendel (1866) — Pea Plant GeneticsGriffith (1928) — TransformationAvery–MacLeod–McCarty (1944)Schrödinger — What Is Life?Franklin’s Photo 51Watson & Crick (1953)
Hosted by Lester Nare and Krishna Choudhary, this episode spans astrophysics, forensic chemistry, and neuroimmunology. We begin with a deep dive into 3I/ATLAS, only the third confirmed interstellar object to ever pass through our solar system — larger and stranger than ‘Oumuamua and Borisov, with new imagery released as NASA reopened operations. Then we break down a true-crime forensic breakthrough from Maynooth University that reveals how to recover fingerprints from fired bullet casings — a technique that could radically accelerate criminal investigations. And we close with a Max Planck Institute discovery identifying a regulatory microglial state in the brain that may finally clarify why Alzheimer’s develops — and how immune dysfunction, not just plaques, drives the disease.SummaryThe third interstellar visitor — 3I/ATLAS joins ‘Oumuamua and Borisov as only the third object ever observed entering the solar system from interstellar space, with new NASA imagery revealing structure, trajectory, and compositional clues.A forensic chemistry breakthrough — researchers at Maynooth University develop a technique to retrieve latent fingerprints from fired shell casings, combining heat-stable organic residues with spectroscopic imaging.A new model of Alzheimer’s — Max Planck Institute scientists uncover a microglial “regulatory” state (a T-reg–like analogue) activated through CD28-dependent pathways, reshaping how the field thinks about plaques, neuroinflammation, and therapeutic targets.Show Notes3I/ATLAS — Interstellar Object Updates (NASA / JPL)Forensic Chemistry: Fingerprints on Fired Casings (Maynooth University)Alzheimer’s Microglia Study — Max Planck Institute / Univ. of Cologne
Hosted by Lester Nare and Krishna Choudhary, this episode dives into three breakthroughs stretching across aerospace engineering, astrobiology, and quantum computing. We start with a Nature Communications paper from Stevens Institute that experimentally validates a 60-year-old hypothesis underpinning hypersonic flight modeling. Then we head 3,000 meters below the Pacific to explore a newly discovered cold, ultra-alkaline biosphere near the Mariana forearc — a finding that reshapes the search for extraterrestrial life. And we close with Princeton’s millisecond-coherent transmon qubit, a materials science triumph pushing the quantum hardware frontier toward real-world quantum advantage.SummaryHypersonics without supercomputers — Stevens Institute validates the Morkovin hypothesis up to Mach ~6 using krypton-tagging velocimetry, confirming that “simple” turbulence models still work in hypersonic regimes and opening the door to viable, inexpensive hypersonic aircraft design.Life where it shouldn’t exist — University of Bremen researchers uncover evidence of a chemosynthetic biosphere in the cold, pH-12.6 serpentinizing fluids of the Mariana forearc, offering the clearest Earth analog yet for Enceladus- and Europa-like conditions.A millisecond qubit breakthrough — Princeton’s tantalum-on-high-resistance-silicon transmon hits 1.7 ms coherence, 15× the industry norm — drop-in compatible with Google/IBM architectures and a major step toward practical quantum computing.Show NotesHypersonics — Nature Communications (Stevens Institute)Deep Sea Life — Nature Communications Earth & Environment (Univ. of Bremen)Princeton Millisecond Qubit — Nature (Transmon Hardware)
Hosted by Lester Nare and Krishna Choudhary, this super-episode spans four wildly different frontiers: bioengineers hijacking bacterial evolution to mass-produce octopus camouflage pigment; orcas developing cultural hunting strategies against great white sharks; the bizarre chemistry behind civet-processed luxury coffee; and a UCLA breakthrough that pushes telescope resolution beyond the classical diffraction limit.SummaryUCSD’s biosynthesis breakthrough — how researchers engineered a growth-coupled, plug-and-play metabolic pathway to mass-produce xanthomatin, the cephalopod pigment behind octopus camouflage.Orca vs. shark culture wars — first-ever documentation of coordinated predation on juvenile great whites in Mexican waters, plus how whales transmit learned behavior socially.The paradox of civet coffee — wild civet gut chemistry, medium-chain esters, and how microbial fermentation creates the world’s most expensive “biologically processed” coffee.UCLA’s telescope hack — a mode-sorting instrument that extracts phase information from starlight, enabling sub-diffraction-limited imaging and revealing asymmetric hydrogen disks around distant stars.Show NotesUCSD — Nature Biotechnology (xanthomatin biosynthesis)Orca Predation Study — Frontiers in Marine ScienceCivet Coffee Chemistry — Nature Scientific ReportsUCLA Sub-Diffraction Telescope Method — ApJ Letters
AI, Eyes, and the Sky — From Synthetic Genomes to Restored Vision and Cosmic MysteriesHosted by Lester Nare and Krishna Choudhary, this episode of From First Principles explores three cutting-edge breakthroughs connecting medicine, technology, and astronomy.Summary• AI for Oncology, Minus the Privacy Risk: University of Toronto researchers develop OncoGAN—a generative model that creates realistic synthetic cancer genomes to accelerate precision oncology while protecting patient data.• Restoring Sight: The PRIMA (PRIMAvera) trial in NEJM demonstrates how a wireless sub-retinal photovoltaic implant can restore central vision in people with advanced macular degeneration.• Revisiting Cosmic Transients: New analyses of Palomar’s POSS-I plates re-examine the “multi-point transients” with fresh alignment statistics and an innovative Earth’s-shadow control test.Show Notes• University of Toronto — OncoGAN / Synthetic Cancer Genomes (Cell Genomics)• NEJM — PRIMA (PRIMAvera) Wireless Sub-Retinal Implant Trial for Geographic Atrophy• Palomar POSS-I Plates — Multi-Point Transient Analysis (IOP PASP Paper)• Palomar Alignment vs Earth’s Shadow Control (Nature Scientific Reports 2025)
Hosted by Lester Nare and Krishna Choudhary, this episode tells the story of Nobel laureate Chen Ning Yang and how his ideas on symmetry and gauge theory transformed modern physics.Summary• Early Years & Mentorship: From China to Chicago — learning under Fermi and Chandrasekhar.• Parity Violation: How Yang & Lee overturned the mirror-symmetry assumption and changed physics forever.• Gauge Symmetry & Yang-Mills Fields: The foundation of the Standard Model of particle physics.• Legacy & Philosophy: Why Yang saw beauty as nature’s signature and symmetry as its language.Show Notes• Nobel Prize in Physics 1957 — Chen Ning Yang & Tsung-Dao Lee• Original Yang–Mills Paper (1954, Physical Review)• Madame Wu’s Parity Violation Experiment (1957)• Biography of Subrahmanyan Chandrasekhar (University of Chicago)
Aloha internet — Lester Nare and Krishna Choudhary return with three extraordinary research stories: portable muon beams, sodium-ion batteries, and the secret to long life.Summary• Lawrence Berkeley’s compact muon beam technology and its applications in archaeology, volcanology, and security.• UC San Diego + U Chicago’s solid-state sodium battery that rivals lithium in power but not in cost.• Tongji University’s naked mole rat DNA study uncovering a genetic pathway for longer, healthier life.Show NotesPortable Muon BeamNature News CoveragePhysical Review Accelerators and Beams PaperSodium Ion BatteriesScience Daily CoverageJoule Paper (2025)Naked Mole Rats & LongevityBBC CoverageScience Journal Paper
After a packed week of Nobel Prize coverage, Lester and Krishna look back on how From First Principles began and why they built it as an “ESPN for Science.” They revisit 2025’s Medicine, Physics and Chemistry winners and discuss why fundamental research and immigration policy are core to America’s scientific edge.Quick note: this week’s episode is in vertical format because of a technical hiccup during recording — back to widescreen next week!SummaryOrigin Story — Two Princeton friends from different continents unite around a shared love of science and storytelling.The Mission — Creating an “ESPN for Science” that celebrates research and the people behind it.Nobel Follow-ups — Medicine (Tregs and non-immune roles), Physics (macroscopic quantum tunneling and quantum supremacy), Chemistry (MOFs and industrial scaling).Funding + Immigration — Why public research grants and curating global talent are vital to scientific leadership.Show NotesNobel Prize Press Release (2025 Medicine)Nobel Prize Press Release (2025 Physics)Nobel Prize Press Release (2025 Chemistry)Nature Genetics (2001) — FOXP3 Mutation Causes DysregulationNature (1999) — MOF-5 Discovery (Omar Yaghi et al.)Google Quantum AI Lab — Quantum Supremacy (Nature, 2019)
Hosted by Lester Nare and Krishna Choudhary, this one-episode special brings all three 2025 Nobel Prizes in the sciences into a single listen: Medicine (immune tolerance and FOXP3), Physics (macroscopic quantum tunneling in superconducting circuits), and Chemistry (metal–organic frameworks and “new rooms for chemistry”).SummaryMedicine: Regulatory T cells and the FOXP3 gene that prevent autoimmune disease.Physics: Macroscopic quantum tunneling and energy quantization in electrical circuits — the bridge to today’s qubits.Chemistry: Metal–Organic Frameworks (MOFs) — modular porous crystals enabling CO₂ capture, water harvesting, and hydrogen storage.Show Notes Nobel Prize Press Release (2025 Medicine) Nature Genetics (2001) — FOXP3 mutation and IPEX link Nature Genetics (2001) — FOXP3 Mutation Causes Dysregulation Nature Genetics (2001) — FOXP3 Gene Cause IPEX Syndrome Science (2003) — FOXP3 function in regulatory T cells German Journal of Immunology (1995) — Sakaguchi’s first Treg paper Nobel Prize Press Release (2025 Physics) Physical Review Letters (1980s) — Macroscopic Quantum Tunneling Experiments (UC Berkeley) BCS Theory (1972 Nobel) — Bardeen, Cooper & Schrieffer, University of Illinois Josephson Effect (1973 Nobel) — Brian D. Josephson Google Quantum AI Lab — Quantum Supremacy Paper (Nature, 2019) Nobel Prize Press Release (2025 Chemistry) Nature (1999) — MOF-5 Discovery (Omar Yaghi et al.) Science (2003) — Reticular Chemistry Foundations Journal of the American Chemical Society (1989, 1990) — Richard Robson’s Early Frameworks Lawrence Berkeley National Laboratory — ChatMOF and AI-Assisted Materials Discovery
Hosted by Lester Nare and Krishna Choudhary, this two-story, 2.5-hour special sets the table for Nobel Prize Week with deep dives into two recent Nobel-winning domains—gene editing (CRISPR) and gravitational waves (LIGO)—and how AI is accelerating both. We trace CRISPR from bacterial immunity to Stanford’s new “CRISPR-GPT” lab co-pilot, then pivot to how machine learning upgrades are pushing LIGO past its noise limits to capture new classes of gravitational waves.Summary• CRISPR, from bacterial immune memory to RNA-programmable genome editing• The 2012 Science breakthrough: guide RNAs unlock programmable editing• The patent saga and the 2020 Nobel Prize in Chemistry• Stanford’s CRISPR-GPT: an AI “co-pilot” trained on expert lab threads and papers• Experiment planning, guide design, and safety guardrails for CRISPR-GPT• Biosecurity and ethical guardrails around AI in biology• LIGO’s foundations: Einstein’s equations, binary pulsars, and interferometer engineering• The “noise budget”: seismic, environmental, and quantum limits• AI-driven denoising and template generation: unlocking earlier inspirals and tougher detections• Funding, leadership, and the global policy race to keep LIGO competitive• Big picture: AI as an amplifier of discovery in both medicine and physicsShow NotesStanford Medicine — AI + CRISPR BreakthroughNature Biomedical Engineering — AI-CRISPR Original PaperCaltech — AI Helps LIGOScience — LIGO Machine Learning Paper
Lester Nare and Krishna Choudhary return for Episode 9 of From First Principles, breaking down the latest breakthroughs across AI, physics, biology, and astronomy. From China’s stunning AI leap with DeepSeek to time crystals you can actually see, hidden viruses in our DNA, and the brightest fast radio burst ever detected—this episode spans the cutting edge of science and its global implications.Summary• China’s DeepSeek AI model: geopolitics, open science, and the future of AI competition• Time crystals at room temperature: from theoretical physics to practical cryptography• Hidden viruses in our DNA: new structures decoded with potential for cancer & autoimmune therapies• Brightest fast radio burst: unraveling cosmic mysteries with new telescopes and James WebbShow Notes• Nature: China’s DeepSeek AI paper (1)• Nature: China’s DeepSeek AI paper (2)• Nature: Time crystals with liquid crystals• Science Advances: Viral protein structure discovery• Astrophysical Journal Letters: Brightest FRB
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