From First Principles

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https://iopscience.iop.org/article/10.3847/2041-8213/adf42e
2 partages
https://www.nobelprize.org/prizes/physics/2025/press-release/
2 partages
https://www.nobelprize.org/prizes/medicine/2025/press-release/
2 partages

https://www.nature.com/articles/s41586-019-1666-5
2 partages
https://www.nature.com/articles/ng0101_18
2 partages
https://www.nature.com/articles/378703a0
2 partages

https://open.spotify.com/episode/73sLrRss3kAWv5eGOXS4PS
4 partages

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Oldest Molecule, Programmable Proteins, Europa Radar & Light’s Double Life (EP. 3)

Saison 1 · Épisode 3

jeudi 14 août 2025 • Durée 01:16:46

We go from the universe’s first chemistry to tomorrow’s designer biology, swing by Mars to tune Europa Clipper’s ice radar, and finish with a fresh take on the double-slit experiment.

In this episode

The “oldest molecule” puzzle (HeH⁺), cooling the early universe, and why JWST’s findings matter
Programmable proteins: reassigning codons, recoding organisms, and real biosafety
Europa Clipper’s REASON radar test at Mars: frequencies, ice thickness & ocean clues
Double-slit, demystified: single photons, “which-path” info, and measurement reality

Chapters
00:00 Intro

• 01:26 First molecule

• 22:27 Programmable proteins

• 43:05 Europa radar

• 55:00 Double-slit

• 1:15:03 Sign-off

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Hidden Star in Betelgeuse, Dancing Atoms, Ultra-High-Energy Cosmic Rays & VR Immunity (EP. 2)

Saison 1 · Épisode 2

mardi 5 août 2025 • Durée 01:17:43

Lester and Dr. Krishna dive into:

• Beetlejuice & “Bracelet” – why a red super-giant may soon swallow its tiny partner

• Atomic Harlem Shake – 0.15 Å resolution images of thermal jiggles in 2-D materials

• Too Fast, Too Furious – IceCube’s constraints on proton fractions in 10²⁰ eV cosmic rays

• Interstellar Google Maps – New Horizons proves star-pattern navigation works

• Mind-Body Woo-Woo – VR coughs that literally raise your white-blood-cell count

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Earth’s 1-ms Day, Baby Solar Systems, Record Black Hole Crash, CRISPR Cancer Hack & AI Indiana Jones (EP. 1)

Saison 1 · Épisode 1

vendredi 1 août 2025 • Durée 55:42

Last week the Earth finished a full rotation one millisecond early – but that’s just the opener.

In this week’s From First Principles we dive into six mind-bending headlines with our trademark mix of hard science and light-hearted banter:

Earth’s fastest spin ever recorded – what shaved a millisecond off the day and why your chakras are still safe.

ALMA spots a “baby Earth” forming 1,300 light years away – the first direct look at rocky planets in the making.

Biggest black-hole merger on record – 15 ☉ of mass vaporized into pure gravitational waves, detected by LIGO/Virgo/KAGRA.

CRISPR reveals a vitamin-D “kill switch” for tumors – how silencing one gene in pancreatic & colon cancers triggers 4,000 downstream changes.

A star that died… then died again – the first confirmed “double-detonation” white-dwarf supernova.

DeepMind’s Aeneas AI deciphers broken Latin tablets – giving historians new text, provenance and dating in seconds.

👋 Hosts • Lester Nare – storyteller & professional curiosity machine • Dr. Krishna Choudhary – Princeton-trained physicist & cosmic tour guide

👍 Like what you hear? Hit Subscribe, ring the bell 🔔, and drop your questions for next week’s episode.

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Hacking The Human Brain, Unlocking Our DNA, Unbreakable Diamonds & The Quantum Magician (EP. 5)

Saison 1 · Épisode 5

mardi 26 août 2025 • Durée 02:09:59

This week we break down four big stories—no PhD required.

Reading “inner speech”: Invasive brain–computer interfaces record neurons in motor cortex and decode attempted vs. inner speech into words. Results from Stanford even generalize to simple symbols and numbers. Cool science, huge privacy questions, and a proposed “brain password” to keep users in control.
What makes us human: UC San Diego highlights human accelerated regions (HARs)—genomic control switches (promoters/enhancers) that tune when and where genes are used. We revisit classic HAR examples and a new result connecting a specific HAR to brain development.
Diamonds get an upgrade: Scientists at HPSTAR (Beijing) grow stronger lab diamonds with clear industrial upside—from cutting tools to power electronics—and potential to reduce harmful mining incentives.
International Year of Quantum (2025): A fast retrospective on 100 years of quantum mechanics and how today’s quantum tech is reshaping computing, sensing, and materials.

Hosts: Lester Nare & Dr. Krishna Choudhary
Show: From First Principles Podcast

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3rd Interstellar Visitor, Rubin’s Sky Camera, AI CRISPR Boost & T. rex Blood Vessels (EP. 4)

Saison 1 · Épisode 4

mardi 19 août 2025 • Durée 01:22:08

Interstellar visitor #3 is here. We unpack 3I ATLAS (why it’s moving so fast, why we finally saw a tail, and how Hubble/JWST—and maybe even Juno—could nail down its makeup). Then we dive into the Vera Rubin Observatory, the 32-gigapixel camera that will turn the entire sky into a time-lapse movie and supercharge discovery. Next: AI just boosted CRISPR by predicting and guiding DNA repair (Pythia), making edits cleaner—especially in non-dividing neurons. And we close with a crossover of dinos + particle physics: preserved T. rex blood vessels revealed by a synchrotron. Mystery Box: the viral “Black aliens” meme.

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New Supernova, Virus+Bacteria vs Cancer, Electron Spin, Bee Superfood (EP. 6)

Saison 1 · Épisode 6

mardi 2 septembre 2025 • Durée 01:28:07

Hosted by Lester Nare and Krishna Choudhary, Episode 6 of From First Principles covers four groundbreaking stories in science—from rare cosmic explosions to synthetic biology breakthroughs that could save our food supply. This week, we dive into a never-before-seen type of supernova, explore a surprising alliance of viruses and bacteria against cancer, unpack how scientists are turning electron spin into power, and highlight Oxford’s CRISPR-based superfood for honeybees.

Summary

A naked supernova reveals the inner layers of a dying star
Viruses and bacteria team up to fight cancer with Trojan-horse biology
Harnessing electron spin for ultra-efficient future tech
Scientists engineer bee superfood to save pollinators and agriculture

Show Notes

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Interstellar Visitor 3I/Atlas, Human Longevity Plateau, New No-Sort Plastic & Analog AI (EP. 7)

Saison 1 · Épisode 7

mardi 9 septembre 2025 • Durée 01:23:51

Hosted by Lester Nare and Krishna Choudhary, Episode 7 of From First Principles covers four stories at the frontier of science and technology. This week, we dive into new telescope data on the interstellar visitor 3i Atlas, explore a major longevity study that suggests life expectancy may have plateaued, unpack a breakthrough nickel catalyst that could enable no-sort plastic recycling, and look at Microsoft’s analog AI computer — a potential game-changer for energy efficiency and medical applications.

Summary

• Interstellar comet 3i Atlas imaged by Hubble, JWST, TESS, and ESA orbiters

• Longevity study shows human life expectancy may have plateaued post-1939 births

• Northwestern researchers develop a nickel catalyst for no-sort plastic recycling

• Microsoft unveils an analog optical AI computer with 100x GPU efficiency

Show Notes

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China’s AI Breakthrough, Time Crystals, Hidden Viruses, & Brightest Cosmic Signal (EP. 9)

Saison 1 · Épisode 9

mardi 23 septembre 2025 • Durée 01:41:54

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 Webb

Show 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

Strongest Evidence for Alien Life? (Mars, K2-18b & JWST) (EP. 8)

Saison 1 · Épisode 8

mardi 16 septembre 2025 • Durée 01:19:52

NASA just dropped what they’re calling the strongest evidence yet for biosignatures on Mars, so we spun up an emergency pod. We break down what the rover actually found in Jezero Crater, why geochemical “life-adjacent” reactions matter, revisit April’s hyped K2-18b claim from Cambridge, and close with brand-new JWST hints of atmospheres on Earth-sized exoplanets. Hosted by Lester Nare and Krishna Choudhary.

Summary

• NASA’s Mars result — Perseverance, Jezero, Bright Angel Formation, and inorganic proxies for life (iron phosphates/sulfides) plus how instruments like PIXL actually read rocks.

• The April headline on K2-18b (“strongest evidence yet”) and what atmospheric retrieval really does and doesn’t prove.

• Fresh JWST papers hinting at atmospheres on TRAPPIST-1 worlds — why that’s huge and how transit spectroscopy underpins it.

Show Notes

• NASA — Mars Biosignature Claim

• Cambridge — K2-18b Atmosphere Study

• Astrophysical Journal Letters — JWST TRAPPIST-1

• Atmosphere Study (Paper 1)

• Astrophysical Journal Letters — JWST TRAPPIST-1 Atmosphere Study (Paper 2)

AI Supercharges CRISPR & LIGO (Nobel Prize Week Preview) (EP. 10)

Saison 1 · Épisode 10

jeudi 2 octobre 2025 • Durée 02:36:24

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 physics

Show Notes

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From First Principles – Détails, épisodes et analyse

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From First Principles – Détails, épisodes et analyse

Détails du podcast

Classements récents

Apple Podcasts

Spotify

Liens partagés entre épisodes et podcasts

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Qualité et score du flux RSS

Historique des publications

Derniers épisodes publiés

Podcasts et contenus similaires

Podcasts Similaires Basées sur le Contenu

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Other82

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