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Quanta Science Podcast

Quanta Science Podcast

Susan Valot narrates in-depth news episodes based on Quanta Magazine's articles about mathematics, physics, biology and computer science.

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quantamagazine.org

Episodes

Exotic New Superconductors Delight and Confound

Three new species of superconductivity were spotted this year, illustrating the myriad ways electrons can join together to form a frictionless quantum soup.

2025-04-10
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It Might Be Possible to Detect Gravitons After All

A new experimental proposal suggests detecting a particle of gravity is far easier than anyone imagined. Now physicists are debating what it would really prove.
2025-03-27
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How the Human Brain Contends With the Strangeness of Zero

Zero, which was invented late in history, is special among numbers. New studies are uncovering how the brain creates something out of nothing.
2025-03-05
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The Hidden World of Electrostatic Ecology

Invisibly to us, insects and other tiny creatures use static electricity to travel, avoid predators, collect pollen and more. New experiments explore how evolution may have influenced this phenomenon.

2025-02-19
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The Cellular Secret to Resisting the Pressure of the Deep Sea

Cell membranes from comb jellies reveal a new kind of adaptation to the deep sea: curvy lipids that conform to an ideal shape under pressure. Read more at QuantaMagazine.org. Music by Enchanted Forest Dub by South London HiFi.

2025-02-05
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Computer Scientists Prove That Heat Destroys Quantum Entanglement

While devising a new quantum algorithm, four researchers accidentally established a hard limit on the “spooky” phenomenon.

2025-01-22
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Physicists Pinpoint the Quantum Origin of the Greenhouse Effect

Carbon dioxide?s powerful heat-trapping effect has been traced to a quirk of its quantum structure. The finding may explain climate change better than any computer model.
2025-01-15
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What Happens in a Mind That Can't 'See' Mental Images

Neuroscience research into people with aphantasia, who don?t experience mental imagery, is revealing how imagination works and demonstrating the sweeping variety in our subjective experiences.
2024-12-11
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What Could Explain the Gallium Anomaly?

Physicists have ruled out a mundane explanation for the strange findings of an old Soviet experiment, leaving open the possibility that the results point to a new fundamental particle.

2024-11-26
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Cryptographers Discover a New Foundation for Quantum Secrecy

Researchers have proved that secure quantum encryption is possible in a world without hard problems.
2024-11-13
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Electric 'Ripples' in the Resting Brain Tag Memories for Storage

New experiments reveal how the brain chooses which memories to save and add credence to advice about the importance of rest.

2024-10-30
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AI Starts to Sift Through String Theory's Near-Endless Possibilities

Using machine learning, string theorists are finally showing how microscopic configurations of extra dimensions translate into sets of elementary particles ? though not yet those of our universe.

2024-10-16
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Insects and Other Animals Have Consciousness, Experts Declare

A group of prominent biologists and philosophers announced a new consensus: There?s ?a realistic possibility? that insects, octopuses, crustaceans, fish and other overlooked animals experience consciousness.
2024-10-02
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Dark Energy May Be Weakening, Major Astrophysics Study Finds

A generation of physicists has referred to the dark energy that permeates the universe as ?the cosmological constant.? Now the largest map of the cosmos to date hints that this mysterious energy has been changing over billions of years.
2024-09-18
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Brain's 'Background Noise' May Explain Value of Shock Therapy

Electroconvulsive therapy is highly effective in treating major depressive disorder, but no one knows why it works. New research suggests it may restore balance between excitation and inhibition in the brain.

2024-09-04
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Swirling Forces, Crushing Pressures Measured in the Proton

Long-anticipated experiments that use light to mimic gravity are revealing the distribution of energies, forces and pressures inside a subatomic particle for the first time.

2024-08-21
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Never-Repeating Tiles Can Safeguard Quantum Information

Two researchers have proved that Penrose tilings, famous patterns that never repeat, are mathematically equivalent to a kind of quantum error correction. Read more at QuantaMagazine.org. Music is ?Quasi Motion? by Kevin MacLeod.

2024-08-07
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Inside Scientists' Life-Saving Prediction of the Iceland Eruption

The Reykjanes Peninsula has entered a new volcanic era. Innovative efforts to map and monitor the subterranean magma are saving lives. Read more at QuantaMagazine.org. Music is ?Fire Water? by Saidbysed.

2024-04-03
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Radio Maps May Reveal the Universe's Biggest Magnetic Fields

A controversial technique has produced detailed maps of the magnetic fields in colossal galaxy clusters. If confirmed, the approach could be used to reveal where cosmic magnetic fields come from.

2024-07-25
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New Clues for What Will Happen When the Sun Eats the Earth

Recent observations of an aging, alien planetary system are helping to answer the question: What will happen to our planet when the sun dies? Read more at QuantaMagazine.org. Music is ?Dark Toys? by SYBS.

2024-07-10
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New Cell Atlases Reveal Untold Variety in the Brain and Beyond

Recent efforts to map every cell in the human body have researchers floored by unfathomable diversity, with many thousands of subtly different types of cells in the human brain alone. Read more at QuantaMagazine.org. Music is ?Confusing Disco? by Birocratic.

2024-06-26
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Extra-Long Blasts Challenge Our Theories of Cosmic Cataclysms

Astronomers thought they had solved the mystery of gamma-ray bursts. A few recent events suggest otherwise. Read more at QuantaMagazine.org. Music is ?Light Gazing? by Andrew Langdon.

2024-06-11
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Meet Strange Metals: Where Electricity May Flow Without Electrons

For 50 years, physicists have understood current as a flow of charged particles. But a new experiment has found that in at least one strange material, this understanding falls apart. Read more at QuantaMagazine.org. Music is ?Thought Bot? by Audionautix.

2024-05-29
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In the Gut's 'Second Brain,' Key Agents of Health Emerge

Sitting alongside the neurons in your enteric nervous system are underappreciated glial cells, which play key roles in digestion and disease that scientists are only just starting to understand. Read more at QuantaMagazine.org. Music is ?Running Out? by Patrick Patrikios.

2024-05-15
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During Pregnancy, a Fake 'Infection' Protects the Fetus

Cells in the placenta have an unusual trick for activating gentle immune defenses and keeping them turned on when no infection is present. It involves crafting and deploying a fake virus. Read more at QuantaMagazine.org. Music is ?Unanswered Questions? by Kevin MacLeod.

2024-05-01
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Rogue Worlds Throw Planetary Ideas Out of Orbit

Scientists have recently discovered scores of free-floating worlds that defy classification. The new observations have forced them to rethink their theories of star and planet formation. Read more at QuantaMagazine.org. Music is ?Light Gazing? by Andrew Langdon.

2024-02-21
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Why the Human Brain Perceives Small Numbers Better

The discovery that the brain has different systems for representing small and large numbers provokes new questions about memory, attention and mathematics. Read more at QuantaMagazine.org. Music is ?Quasi Motion? by Kevin MacLeod.

2024-04-17
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Echoes of Electromagnetism Found in Number Theory

A new magnum opus posits the existence of a hidden mathematical link akin to the connection between electricity and magnetism. Read more at QuantaMagazine.org. Music is ?Clover 3? by Vibe Mountain.

2024-03-20
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Tiny Language Models Come of Age

To better understand how neural networks learn to simulate writing, researchers trained simpler versions on synthetic children?s stories. Read more at QuantaMagazine.org. Music is ?Thought Bot? by Audionautix.

2024-03-06
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What Makes Life Tick? Mitochondria May Keep Time for Cells

Every species develops at its own unique tempo, leaving scientists to wonder what governs their timing. A suite of new findings suggests that cells use basic metabolic processes as clocks. Read more at QuantaMagazine.org. Music is ?Pulse? by Geographer.

2024-02-07
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An Old Conjecture Falls, Making Spheres a Lot More Complicated

The telescope conjecture gave mathematicians a handle on ways to map one sphere to another. Now that it has been disproved, the universe of shapes has exploded. Read more at QuantaMagazine.org. Music is ?Slow Burn? by Kevin MacLeod.

2024-01-24
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JWST Spots Giant Black Holes All Over the Early Universe

Giant black holes were supposed to be bit players in the early cosmic story. But recent James Webb Space Telescope observations are finding an unexpected abundance of the beasts. Read more at QuantaMagazine.org. Music is ?Light Gazing? by Andrew Langdon.

2023-10-11
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Even Synthetic Life Forms With a Tiny Genome Can Evolve

By watching ?minimal? cells regain the fitness they lost, researchers are testing whether a genome can be too simple to evolve. Read more at QuantaMagazine.org. Music is ?Hidden Agenda? by Kevin MacLeod.

2024-01-10
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Exoplanets Could Help Us Learn How Planets Make Magnetism

New observations of a faraway rocky world that might have its own magnetic field could help astronomers understand the seemingly haphazard magnetic fields in our own solar system. Read more at QuantaMagazine.org. Music is ?Light Gazing? by Andrew Langdon.

2023-12-06
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Selfish, Virus-Like DNA Can Carry Genes Between Species

Genetic elements called Mavericks that have some viral features could be responsible for the large-scale smuggling of DNA between species. Read more at QuantaMagazine.org. Music is ?Clover? by Vibe Mountain.

2023-12-20
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To Move Fast, Quantum Maze Solvers Must Forget the Past

Quantum algorithms can find their way out of mazes exponentially faster than classical ones, at the cost of forgetting the paths they took. A new result suggests that the trade-off may be inevitable. Read more at QuantaMagazine.org. Music is ?Confusing Disco? by Birocratic.

2023-11-21
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Underground Cells Make 'Dark Oxygen' Without Light

In some deep subterranean aquifers, cells have a chemical trick for making oxygen that could sustain whole underground ecosystems. Read more at QuantaMagazine.org. Music is ?Pulse? by Geographer.

2023-11-08
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How the Brain Protects Itself From Blood-Borne Threats

To buffer the brain against menaces in the blood, a dynamic, multi-tiered system of protection is built into the brain?s blood vessels. Read more at QuantaMagazine.org. Music is ?Good Times? by Patrick Patrikios.

2023-10-25
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Is It Real or Imagined? How Your Brain Tells the Difference.

New experiments show that the brain distinguishes between perceived and imagined mental images by checking whether they cross a ?reality threshold.? Read more at QuantaMagazine.org. Music is ?Who?s Using Who? by The Mini Vandals.

2023-09-27
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Chatbots Don't Know What Stuff Isn't

Today?s language models are more sophisticated than ever, but they still struggle with the concept of negation. That?s unlikely to change anytime soon. Read more at QuantaMagazine.org. Music is ?Hidden Agenda? by Kevin MacLeod.

2023-09-13
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Global Microbiome Study Gives New View of Shared Health Risks

The most comprehensive survey of how we share our microbiomes suggests a new way of thinking about the risks of developing some diseases that aren?t usually considered contagious. Read more at QuantaMagazine.org. Music is ?Transmission? by John Deley and the 41 Players.

2023-08-30
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How Loneliness Reshapes the Brain

Feelings of loneliness prompt changes in the brain that further isolate people from social contact. Read more at QuantaMagazine.org. Music is ?Slow Burn? by Kevin MacLeod.

2023-08-02
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Physicists Use Quantum Mechanics to Pull Energy out of Nothing

The quantum energy teleportation protocol was proposed in 2008 and largely ignored. Now two independent experiments have shown that it works. Read more at QuantaMagazine.org. Music is ?Pulse? by Geographer.

2023-08-16
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Gene Expression in Neurons Solves a Brain Evolution Puzzle

The neocortex of our brain is the seat of our intellect. New data suggests that mammals created it with new types of cells that they developed only after their evolutionary split from reptiles. Read more at QuantaMagazine.org. Music is ?Pulse? by Geographer.

2023-07-19
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Machines Learn Better if We Teach Them the Basics

A wave of research improves reinforcement learning algorithms by pre-training them as if they were human. Read more at QuantaMagazine.org. Music is ?Quasi Motion? by Kevin MacLeod.

2023-07-05
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Astronomers Say They Have Spotted the Universe's First Stars

Theory has it that ?Population III? stars brought light to the cosmos. The James Webb Space Telescope may have just glimpsed them. Read more at QuantaMagazine.org. Music is ?Light Gazing? by Andrew Langdon.

2023-04-12
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The Cause of Depression Is Probably Not What You Think

Depression has often been blamed on low levels of serotonin in the brain. That answer is insufficient, but alternatives are coming into view and changing our understanding of the disease. Read more at QuantaMagazine.org. Music is ?Redwood Trail? by Audionautix.

2023-06-21
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Ants Live 10 Times Longer by Altering Their Insulin Responses

Queen ants live far longer than genetically identical workers. Researchers are learning what their longevity secrets could mean for aging in other species. Read more at QuantaMagazine.org. Music is ?Good Times? by Patrick Patrikios.

2023-06-07
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How the Brain Distinguishes Memories From Perceptions

The neural representations of a perceived image and the memory of it are almost the same. New work shows how and why they are different. Read more at QuantaMagazine.org. Music is ?Light Gazing? by Andrew Langdon.

2023-05-24
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What Causes Alzheimer's? Scientists Are Rethinking the Answer. (Pt 2)

If plaques of amyloid protein in the brain aren?t the root cause of Alzheimer?s disease, what is? Researchers investigating alternative possibilities have faced resistance from the biomedical establishment for decades, but intriguing theories about the role of defects in protein processing and the immune system have emerged. (Part 2 of two episodes.)

2023-05-10
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