Evolution of a smile: 400 million year old spiny fish overturns shark theory of tooth origins
Scientists have long believed that sharks were the first vertebrates to evolve teeth. Our new study reveals a more complex history.
Philip C J Donoghue, Professor of Palaeobiology, University of Bristol
• conversation
May 12, 2021 • ~6 min
May 12, 2021 • ~6 min
Dinosaurs: how our understanding of what they looked like keeps changing
A transcript of episode 11 of The Conversation Weekly podcast, including an interview on Israel's foreign policy options following its recent election.
Daniel Merino, Assistant Editor: Science, Health, Environment; Co-Host: The Conversation Weekly Podcast
• conversation
April 16, 2021 • ~42 min
April 16, 2021 • ~42 min
How did insects get their colours? Crystal-covered beetle discovery sheds light
Researchers realised a dull-looking 13,000-year-old weevil was actually covered in brilliant green, blue and yellow nanoscopic crystals.
Luke McDonald, Postdoctoral Researcher, School of Biological, Earth and Environmental Sciences, University College Cork •
conversation
April 16, 2020 • ~7 min
April 16, 2020 • ~7 min
Monkey teeth fossils hint several extinct species crossed the Atlantic
New research suggests African monkeys crossed the ocean to South America earlier than previously thought.
Isabelle Catherine Winder, Lecturer in Zoology, Bangor University
• conversation
April 9, 2020 • ~7 min
April 9, 2020 • ~7 min
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