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More Conversations, Complex Questions, and Bold Ideas in Season Five of ‘The Joy of Why’
The podcast returns with 12 all-new episodes that explore the biggest questions in basic science and mathematics.
How We See the Beautiful, Violent Sun
Over hundreds of years, increasingly sophisticated instruments have revealed — and continue to reveal — the secrets of our star.
A Treasure Trove of Cambrian Fossils Rewrites the Story of Early Life
Remarkably preserved fossils found in southern China offer a fascinating window into what life looked like at the end of the Cambrian explosion, with half of the species uncovered being new to science.
A Through-The-Lens Look at the World’s Particle Physics Labs
The winning entries in the 2025 Global Physics Photowalk contest showcase the beauty of toil and discovery.
How Can Infinity Come in Many Sizes?
Intuition breaks down once we’re dealing with the endless. To begin with: Some infinities are bigger than others.
Expansion Microscopy Has Transformed How We See the Cellular World
How physically magnifying objects using a key ingredient in diapers has opened an unprecedented view of the microbial world.
The Quantum Mechanics of Greenhouse Gases
Earth’s radiation can send some molecules spinning or vibrating, which is what makes them greenhouse gases. This infographic explains how relatively few heat-trapping molecules can have a planetary effect.
How Does Graph Theory Shape Our World?
Maria Chudnovsky reflects on her journey in graph theory, her groundbreaking solution to the long-standing perfect graph problem, and the unexpected ways this abstract field intersects with everyday life.
Does Form Really Shape Function?
From brain folds to insect architecture, L. Mahadevan explains how complex biological forms and behaviors emerge through the interplay of physical forces, environment and embodiment.