The Trace Fossil Record

If you have a culture that buries your dead, you're doing yourself a favour. Trace fossils are far more powerful in a way than the body fossil record. We leave traces of our existence with every activity that we do every single day. Why did the shark survive in the meteor crash in the dinosaurs? I think Patrick Winslie would have been our youngest listener and also our farthest-disposed listener on this week's Q&A show.