Why Did The Dinosaurs Go Extinct But Crocodiles & Birds Didn’t? - Dr. Ed Braun

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