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How a Biofilm’s Strange Shape Emerges From Cellular Geometry

April 21, 2025

Micro decisions can have macro consequences. A soft matter physicist reveals how interactions within simple cellular collectives can lead to emergent physical traits.

Touch, Our Most Complex Sense, Is a Landscape of Cellular Sensors

April 16, 2025

Every soft caress of wind, searing burn and seismic rumble is detected by our skin’s tangle of touch sensors. David Ginty has spent his career cataloging the neurons beneath everyday sensations.

Intelligence Evolved at Least Twice in Vertebrate Animals

April 7, 2025

Complex neural pathways likely arose independently in birds and mammals, suggesting that vertebrates evolved intelligence multiple times.

Why Everything in the Universe Turns More Complex

April 2, 2025

A new suggestion that complexity increases over time, not just in living organisms but in the nonliving world, promises to rewrite notions of time and evolution.

The Mysterious Flow of Fluid in the Brain

March 26, 2025

A popular hypothesis for how the brain clears molecular waste, which may help explain why sleep feels refreshing, is a subject of debate.

How Metabolism Can Shape Cells’ Destinies

March 21, 2025

A growing body of work suggests that cell metabolism — the chemical reactions that provide energy and building materials — plays a vital, overlooked role in the first steps of life.

How Did Multicellular Life Evolve?

March 20, 2025

One of the most important events in the history of life on Earth was the emergence of multicellularity. In this episode, Will Ratcliff discusses how his snowflake yeast models provide insight into what drove the transition from single-celled to multicellular organisms.

New Conversations, Deep Questions, Bold Ideas in Season Four of ‘The Joy of Why’

March 13, 2025

Steven Strogatz and Janna Levin return for a new season on major scientific and mathematical questions of our time, with 12 all-new episodes and a new format.

A New, Chemical View of Ecosystems

March 5, 2025

Rare and powerful compounds, known as keystone molecules, can build a web of invisible interactions among species.

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