Why Dinosaurs Died But Birds & Crocodiles Didn’t? Evolutionary genomicist Professor Ed Braun (University of Florida) pulls back the curtain on 65 million years of life’s history, from dinosaurs and birds to humans, microbes, and the hidden logic of our genomes.
You’ll learn:
–Why most dinosaurs died while birds and crocodiles survived, and how a single asteroid, body size, and pure luck still leave a detectable signal in bird genomes today.
–How “junk DNA,” random mutations, and population size quietly shape evolution, and why small populations can spiral into extinction even when a species looks “saved” on paper.
–How birds massively outpaced crocodiles in evolutionary speed, what this reveals about generation time and mutation, and why a single chromosomal flip 65 million years ago still rewires how we read their family tree.
–Why curiosity‑driven science (not short‑term “useful” research) produces the breakthroughs that change the world, and how Ed thinks about meaning, atheism, faith, and staying intellectually alive in an age of social media outrage.
00:00 The Mystery of Dinosaur Extinction
00:53 Survival of Birds and Crocodilians
02:48 Theories on Bird Survival
03:37 Genetic Evidence and Population Changes
05:13 Crocodilian Survival and Luck
07:24 Biogeography and Evolution of Birds
20:14 Human Evolution and Genetic Mutations
47:21 Biodiversity and Microbial Life
01:04:53 The Importance of Curiosity in Science
01:06:01 Translational Research vs. Curiosity-Driven Science
01:06:30 The Role of Genetics in Scientific Discovery
01:09:33 The Impact of Foundational Work in Biotechnology
01:10:54 The Value of Basic Science
01:12:12 The Intersection of Curiosity and Play in Innovation
01:13:42 The Joys of Academic Life
01:19:42 The Journey to Becoming a Genomics Expert
01:27:57 Insights from Sequencing Bird Genomes
01:50:22 Balancing Faith and Science
02:02:11 Advice for the Younger Generation
02:03:31 Current Projects and Final Thoughts
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Jari Eloranta’s Work
Website: https://people.clas.ufl.edu/ebraun/
Work: https://scholar.google.co.uk/citations?user=31XPDbYAAAAJ&hl=en
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Team:
Host: Jacob Watson-Howland
Chief Editor: Chloé Breheret
Chief Automation Officer: Jack McDuff
Website: www.jacobwatsonhowland.com