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The Joy of Why

Latest episodes

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35 snips
Dec 5, 2024 • 39min

How Is Cell Death Essential to Life?

Shai Shaham, a Professor at Rockefeller University, specializes in programmed cell death and its vital role in animal development. He delves into the various types of cell death, like apoptosis, and their importance in health and disease. The discussion uncovers how cell death influences evolution and our overall well-being. Shaham also shares insights on the use of C. elegans as a model for understanding cellular processes. Plus, he reflects on the joy and uncertainty of research, encouraging curiosity in the scientific journey.
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8 snips
Nov 21, 2024 • 42min

What Can Birdsong Teach Us About Human Language?

In this engaging discussion, neuroscientist Erich Jarvis from Rockefeller University delves into the fascinating links between birdsong and human language. He reveals how both are rooted in similar brain structures and explores why some species vocalize while others do not. The conversation highlights vocal learning's rarity in nature and its implications for understanding communication across species, including fascinating insights into how birds develop their unique songs. Jarvis also touches on the evolutionary continuum of language, bridging gaps between various forms of communication.
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21 snips
Nov 7, 2024 • 37min

How Is AI Changing the Science of Prediction?

Emmanuel Candès, Chair of Mathematics and Statistics at Stanford, dives into the transformative role AI plays in making predictions across various fields. He discusses how traditional models like weather forecasts are evolving, embracing 'black box' systems for significant accuracy gains. Topics include the integration of AI in everything from college admissions to drug discovery and the challenges of interpreting machine learning outputs. Candès also highlights the crucial importance of teaching statistical reasoning for better understanding and reliability in predictive analytics.
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19 snips
Oct 24, 2024 • 30min

Why Is It So Hard to Define a Species?

Kevin de Queiroz, a research zoologist and curator at the Smithsonian, delves into the perplexing world of species definitions. He explores the historical evolution of the species concept from Darwin’s ideas to modern taxonomies influenced by genetics. The discussion highlights how hybridization complicates classifications. De Queiroz also challenges the stereotypes surrounding Neanderthals, showcasing their significance in human evolution. With a focus on the dynamic nature of science, he emphasizes the importance of precise species definitions for conservation efforts.
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Oct 10, 2024 • 43min

How Can Math Help Beat Cancer?

Franziska Michor, a Harvard Professor of computational biology and director at the Dana-Farber Cancer Institute, discusses the groundbreaking intersection of math and cancer treatment. She reveals how mathematical models and machine learning can enhance therapy strategies amidst the evolving nature of cancer. Insights into personal experiences that shaped her career highlight the importance of interdisciplinary collaboration. Additionally, advances in early diagnostics and proactive treatment strategies using circulating tumor DNA are thoroughly explored.
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Sep 26, 2024 • 45min

What Can Cave Life Tell Us About Alien Ecosystems?

Penelope Boston, a NASA microbiologist, and Janna Levin, an astrophysicist and science communicator, dive into the intriguing world of extremophiles. They discuss how organisms thriving in extreme environments, like caves, could inform our search for alien life. Topics include the unique adaptations of these microbes and the parallels to potential life on Mars. They also explore the ethical implications of sending living beings into space, and the concept of panspermia, suggesting that life could be interconnected across the cosmos.
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Sep 19, 2024 • 35min

From Sidedoor — Cosmic Journey I: "Stellar Buffoonery"

Dive into the fascinating world of black holes and their significance in understanding the cosmos. Explore the intense rivalry between Subrahmanyan Chandrasekhar and Arthur Eddington, as Chandrasekhar defies skepticism to present groundbreaking theories. Discover the emotional landscape of astrophysics, navigating ambition, recognition, and betrayal. Journey through time to reveal how the Chandra X-ray Observatory plays a pivotal role in decoding the mysteries of these cosmic phenomena.
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Sep 12, 2024 • 43min

Can Thermodynamics Go Quantum?

Nicole Yunger Halpern, a theoretical physicist, dives into the fascinating world where thermodynamics meets quantum mechanics. She discusses the historical development of thermodynamics and its profound implications for quantum theory. Key topics include the role of entropy as a measure of uncertainty and the relationship between information and energy transformations through Szilard's engine. Halpern also explores how advancements in quantum computing challenge conventional thermodynamic principles, opening doors to energy-efficient technologies.
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Aug 29, 2024 • 42min

Do We Need a New Theory of Gravity?

Claudia de Rham, a renowned theoretical physicist specializing in massive gravity, joins host Janna Levin to challenge conventional understanding of gravity. They discuss the implications of dark matter and dark energy, questioning if gravity operates uniformly across scales. De Rham shares insights into the historical evolution of gravity from Newton to Einstein and the role of gravitons in our cosmic understanding. Their conversation highlights how mathematics shapes theories and the joy of discovering simplicity in the complexities of the universe.
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Aug 15, 2024 • 38min

Are Robots About to Level Up?

Daniela Rus, a pioneering roboticist from MIT, dives into the fascinating world of robotics and its intersection with artificial intelligence. She discusses how biological inspirations can elevate robots to new heights of performance. The podcast explores the evolution of robotics, including the transition from industrial machines to advanced medical applications. Daniela also highlights the revolutionary potential of liquid neural networks, enhancing real-time learning in robots. Ultimately, she reflects on the collaborative dynamics between robots and humans, envisioning a future where they work seamlessly together.

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