Nature Podcast

00:45 The puzzle of PalaeospondylusOver a hundred years ago, palaeontologists discovered fossils of the aquatic animal Palaeospondylus. But since then researchers have been unable to place where this animal sits on the tree of life. Now, new analysis of Palaeospondylus’s anatomy might help to solve this mystery.Research article: Hirasawa et al.News and Views: Clues to the identity of the fossil fish Palaeospondylus08:18 Research HighlightsA strong, silk-based version of mother of pearl, and the parrots that use their heads when climbing.Research Highlight: Silk imitates mother of pearl for a tough, eco-friendly materialResearch Highlight: A ‘forbidden’ body type? These parrots flout the rules10:51 How lasers revealed an ancient Amazonian civilizationArchaeologists have used LiDAR to uncover evidence of an ancient civilization buried in the Bolivian Amazon. The team’s work suggests that this area was not as sparsely populated in pre-Hispanic times as previously thought.Research article: Prümers et al.News and