The Quanta Podcast

Quanta Magazine
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22 snips
Oct 9, 2025 • 12min

Audio Edition: Quantum Speedup Found for Huge Class of Hard Problems

Researchers have unveiled an exciting quantum algorithm that could significantly outperform classical methods in optimization tasks. The discussion highlights the complexities of quantum versus classical computing, including how new algorithms often lead to classical countermeasures. Experts share their enthusiasm for the breakthrough while acknowledging challenges posed by current hardware limitations. The episode delves into the intricate relationship between quantum waves and polynomial fitting, suggesting wide-ranging implications for error correction and cryptography.
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18 snips
Oct 7, 2025 • 24min

What Can a Cell Remember?

Claire L. Evans, a science writer for Quanta Magazine and musician in YACHT, dives into the fascinating world of cellular memory. She challenges traditional views by discussing how memory can exist beyond the brain in organisms like slime molds and bacteria. Claire shares groundbreaking research on unicellular memory, highlighting experiences of learning in single cells. The conversation also explores the evolutionary implications of this memory and the unknown mechanisms driving it. Claire advocates for embracing ambiguity in scientific definitions and encourages interdisciplinary dialogue.
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25 snips
Sep 30, 2025 • 27min

Climate Modeling Is at a Crossroads

Zack Savitsky, a contributing writer for Quanta Magazine, dives into the fascinating world of climate modeling. He discusses its historical evolution from ancient weather predictions to modern simulations, highlighting key advancements like ENIAC's role in forecasting. Zack explains the complexities of digital reconstructions and why models excel globally yet struggle with local precision. He also addresses the challenges posed by funding cuts to climate research and emphasizes the urgent need for continued innovation, including AI solutions.
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10 snips
Sep 25, 2025 • 15min

Audio Edition: A New, Chemical View of Ecosystems

Discover the intriguing world of keystone molecules and their role in ecosystems. Learn how these rare compounds facilitate hidden interactions among species. Researchers delve into the chemical signaling that often goes unnoticed but can significantly impact biodiversity. The episode also highlights fascinating findings from studies on sea slugs and their unique chemical defenses. Ultimately, it raises profound questions about the interconnectedness of chemical and ecological processes, emphasizing the need for a deeper understanding of these invisible webs.
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39 snips
Sep 23, 2025 • 24min

AI's Dark Side Is Only a Nudge Away

Join Stephen Ornes, a science and math journalist from Quanta Magazine, as he delves into the precarious world of AI alignment. He discusses how minor tweaks in training data can flip a chatbot from helpful to harmful, even recommending extreme actions. Ornes explores the ethical complexities of embedding human values into AI and the potential misalignments that can arise. He emphasizes the urgent need for deeper understanding and safeguards to ensure AI remains safe and trustworthy, especially in sensitive applications.
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20 snips
Sep 16, 2025 • 25min

How We Came To Know Earth

Hannah Waters, a senior editor at Quanta Magazine specializing in biology, dives deep into the science of climate change. She explores the intricate relationship between Earth's systems and climate dynamics. Hannah highlights the significance of scientific collaboration in climate journalism and the evolution of climate models. The discussion also touches on climate tipping points and the psychological hurdles of facing climate uncertainties. Plus, she shares insights into how political factors influence climate research and communication.
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16 snips
Sep 11, 2025 • 11min

Audio Edition: ‘Once in a Century’ Proof Settles Math’s Kakeya Conjecture

Delve into the fascinating world of the Kakeya conjecture, a math mystery that has puzzled experts for decades. Discover the groundbreaking proof in three dimensions that unravels this enigma. The discussion highlights its significant implications for harmonic analysis and how it could inspire future mathematical research in higher dimensions. Uncover the surprises this breakthrough holds for both mathematicians and enthusiasts alike!
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25 snips
Sep 9, 2025 • 21min

How a 17-Year-Old Solved a Major Math Mystery

Jordana Cepelewicz, a math editor at Quanta Magazine, joins host Samir Patel to discuss the remarkable achievements of 17-year-old Hannah Cairo, a high school prodigy making waves in harmonic analysis. They delve into Cairo's groundbreaking proof that debunked a 40-year-old mathematical mystery, the Mizuhata-Takeuchi conjecture. Despite her youth and unconventional education, Cairo's journey highlights the power of self-directed learning and collaborative innovation in math. The conversation showcases how fresh perspectives can challenge established norms and inspire future discoveries.
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17 snips
Sep 2, 2025 • 28min

Earth’s Core Appears To Be Leaking Up and Out of Earth’s Surface

Robin George Andrews, a science journalist and volcanologist, delves into the surprising phenomenon of the Earth's core leaking up through the mantle. He discusses strange blobs sitting at the core-mantle boundary, raising questions about their composition and the implications for volcanic activity. The conversation also highlights recent discoveries, like helium-3 in eruptions, and the unexpected presence of ruthenium in volcanic rocks. Together, they explore how these findings challenge traditional views of Earth's layered structure and deepen our understanding of its inner mysteries.
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28 snips
Aug 28, 2025 • 18min

Audio Edition: The Road Map to Alien Life Passes Through the ‘Cosmic Shoreline’

Astronomers are unlocking the mysteries of life beyond Earth by searching for planetary atmospheres. They are honing in on the 'cosmic shoreline,' a concept that helps identify which worlds might be able to retain atmospheres conducive to life. Discoveries using cutting-edge technology, such as the James Webb Space Telescope, are transforming our understanding. This journey through space not only narrows down potential candidates for future exploration but also expands our horizons regarding what alien life could look like.

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