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Quanta 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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An illustration shows zero lit by spotlight; it flickers in a cave that looks like a brain.

How the Human Brain Contends With the Strangeness of Zero

An illustration shows a bee, decorated with positive charges, approaching a field of flowers that wear negative charges. An electric field emerges between them.

The Hidden World of Electrostatic Ecology

A translucent comb jelly collected from the deep sea.

The Cellular Secret to Resisting the Pressure of the Deep Sea

What Happens in a Mind That Can’t ‘See’ Mental Images

Marbles representing memories fall onto an abstracted head which contains a maze with holes. Some of the marbles land in the holes or roll into them, while others fall off the side.

Electric ‘Ripples’ in the Resting Brain Tag Memories for Storage

A close-up of a bee’s head, showing its large eyes, antennae and fuzzy body.

Insects and Other Animals Have Consciousness, Experts Declare

An illustration shows a bright ball of light slowing down brain waves.

Brain’s ‘Background Noise’ May Explain Value of Shock Therapy

New Cell Atlases Reveal Untold Variety in the Brain and Beyond

In the Gut’s ‘Second Brain,’ Key Agents of Health Emerge

During Pregnancy, a Fake ‘Infection’ Protects the Fetus

Why the Human Brain Perceives Small Numbers Better

What Makes Life Tick? Mitochondria May Keep Time for Cells

Illustration of a bacterial cell in mid-fission. Its threads of DNA and other internal molecules are divided between the cells. A constriction on the midline marks where the daughter cells are splitting.

Even Synthetic Life Forms With a Tiny Genome Can Evolve

The curling bodies of two differently colored roundworms overlap with a virus-shaped element in the background.

Selfish, Virus-Like DNA Can Carry Genes Between Species

Underground Cells Make ‘Dark Oxygen’ Without Light

Illustration of a brain surrounded by castle walls that keep out blood vessels.

How the Brain Protects Itself From Blood-Borne Threats