
The Joy of Why
“The Joy of Why” is a Quanta Magazine podcast about curiosity and the pursuit of knowledge. The mathematician and author Steven Strogatz and the cosmologist and author Janna Levin take turns interviewing leading researchers about the great scientific and mathematical questions of our time. New episodes are released every other Wednesday.Quanta Magazine is a Pulitzer Prize–winning, editorially independent online publication launched and supported by the Simons Foundation to illuminate big ideas in science and math through public service journalism. Quanta’s reporters and editors focus on developments in mathematics, theoretical physics, theoretical computer science and the basic life sciences, emphasizing timely, accurate, in-depth and well-crafted articles for its broad discerning audience. In 2023, Steven Strogatz received a National Academies Eric and Wendy Schmidt Award for Excellence in Science Communications partly for his work on “The Joy of Why.”
Latest episodes

Feb 29, 2024 • 31min
What Is the Nature of Time?
In this conversation, Nobel Prize-winning physicist Frank Wilczek explores the perplexing nature of time. He unpacks the idea that time may be an illusion, contrasting personal experiences with its scientific definitions. The discussion highlights Einstein's revolutionary impact on our understanding of time and links it intriguingly to dark matter through the concept of axions. Wilczek also reflects on the critical role of accurate timekeeping in scientific breakthroughs and the future potential of time research.

Feb 15, 2024 • 34min
How Did Altruism Evolve?
Stephanie Preston, a psychology professor and head of the Ecological Neuroscience Lab at the University of Michigan, discusses the fascinating evolution of altruism. She explores how empathy and decision-making have developed across species, challenging the notion of selfish survival. The podcast highlights the interplay between hormones and brain activity in caregiving, showcasing how heroic acts occur even in crisis. It also examines the societal impact of in-group biases on empathy and emphasizes the importance of storytelling in motivating altruistic actions, particularly for climate engagement.

8 snips
Feb 1, 2024 • 36min
What Makes for ‘Good’ Math?
Terence Tao, a celebrated mathematician and Fields Medal recipient, delves into what makes for 'good' mathematics. He discusses the evolution of mathematical concepts, blending personal values and collaborative understanding. Tao explores how technological advancements like AI are transforming the field and fostering openness among mathematicians. He emphasizes the significance of public engagement and community involvement in math, illustrating its real-world applications, especially in revolutionizing MRI technology through interdisciplinary efforts.

Jan 25, 2024 • 18min
S4 Preview: More Big Questions and No Sasquatches
How did complex life evolve? Where did space-time come from? Will computers ever understand language like we do? How did geometry create modern physics? These are just a few of the big and bold questions that we’ll be exploring in the latest season of Quanta’s interview podcast, “The Joy of Why,” starting March 20, and released every other Thursday.As ever, we will be talking to researchers and exploring the latest thinking on great scientific and mathematical questions of our time. But this season sees a new format, with the two of us — mathematician Steven Strogatz and physicist Janna Levin — together in conversation for the first time to offer our own thoughts and questions about each topic.As a preview, we discuss why we are particularly excited about the new season, and we reveal our favorite standout moments from the previous season.

Jan 25, 2024 • 2min
Trailer: The Joy of Why Season 3
Renowned mathematician and Fields Medalist Terence Tao joins Nobel Prize-winning physicist Frank Wilczek for a deep dive into the wonders of scientific inquiry. They explore the complexities of the universe while emphasizing the importance of collaboration in tackling intricate problems. Expect fascinating insights into mathematical concepts and the nature of scientific discovery that will spark your curiosity and inspire you to question the world around you.

17 snips
Jul 26, 2023 • 45min
Does Nothingness Exist?
Even empty space bubbles with energy, according to quantum mechanics — and that fact affects almost every facet of physical reality. The theoretical physicist Isabel Garcia Garcia explains to Steven Strogatz why it’s so important in modern physics to understand what a true vacuum is.
The post Does Nothingness Exist? first appeared on Quanta Magazine

Jul 12, 2023 • 46min
Can Math and Physics Save an Arrhythmic Heart?
Abnormal waves of electrical activity can cause a heart’s muscle cells to beat out of sync. In this episode, Flavio Fenton, an expert in cardiac dynamics, talks with Steve Strogatz about ways to treat heart arrhythmias without resorting to painful defibrillators.
The post Can Math and Physics Save an Arrhythmic Heart? first appeared on Quanta Magazine

18 snips
Jun 28, 2023 • 44min
What Can Jellyfish Teach Us About Fluid Dynamics?
Jellyfish and other aquatic creatures embody solutions to diverse problems in engineering, medicine and mathematics. John Dabiri, a fluid dynamics expert, talks with Steven Strogatz about what jellyfish can teach us about going with the flow.
The post What Can Jellyfish Teach Us About Fluid Dynamics? first appeared on Quanta Magazine

13 snips
Jun 14, 2023 • 40min
What Causes Giant Rogue Waves?
Wave-science researcher Ton van den Bremer and Steven Strogatz discuss how rogue waves can form in relatively calm seas and whether their threat can be predicted.
The post What Causes Giant Rogue Waves? first appeared on Quanta Magazine

165 snips
May 31, 2023 • 52min
What Is the Nature of Consciousness?
Consciousness, our experience of being in the world, is one of the mind’s greatest mysteries, but as the neuroscientist Anil Seth explains to Steven Strogatz, research is making progress in understanding this elusive phenomenon.
The post What Is the Nature of Consciousness? first appeared on Quanta Magazine