In this episode:
00:45 The puzzle of Palaeospondylus
Over 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 Palaeospondylus
08:18 Research Highlights
A 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 material
Research Highlight: A ‘forbidden’ body type? These parrots flout the rules
10:51 How lasers revealed an ancient Amazonian civilization
Archaeologists 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 Views: Large-scale early urban settlements in Amazonia
16:21 Briefing Chat
We discuss some highlights from the Nature Briefing. This time, the debate surrounding the first transplant of pig kidneys into humans, and the plants grown in lunar soil.