One of the most intriguing is going to be a fish called shushan ostius. It's one of those early jawed vertebrates, probably from which all the others sprang somehow. And then weve got ceanodus, which is basically a load of teeth. These are the earliest gorge vertebrate teeth anywhere in the fossil record. Then there's another great thing, which is not a jawed fish at all. It's a jawless fish called a galeaspid. This one has got the whole fish. On each side, on the kind of bottom edge of each side, is a fold, like a fold of fins, like on each side, like gof
In this episode:
00:45 Piecing together the early history of jawed vertebrates
A wealth of fossils discovered in southern China shed new light onto the diversity of jawed and jawless fish during the Silurian period, over 400 million years ago. Nature editor Henry Gee explains the finds and what they mean for the history of jawed vertebrates like us.
Mice studies help explain why some people with a rare genetic condition have heightened musical abilities, and high-resolution images reveal how bees build honeycomb.
11:27 A lack of evidence in transgender policy making
Around the world, many laws are being proposed – and passed – regarding the rights of transgender people to participate in various aspects of society. We talk to Paisley Currah, who has written a World View for Nature arguing that these policies are frequently not backed up by data, and that policy affecting trans people’s lives needs to take a more evidence-based approach.