Platypus x-rays show shadows of its “reptilian” ancestry

Platypuses belong to an ancient group of mammals, the monotremes. Today, these are the only living mammalian species to lay eggs, and the group also includes echidnas. But, as the x-rays of Dr Larry Vogelnest show, the platypus retains several skeletal features which link it to its distant ancestors (often called reptiles, but more technically referred…

Stunning X-ray still life images show skeletal adaptations in life poses

Seeing the skeleton in action can give viewers a very different perspective on adaptation and evolution, and most museums endeavour to pose their exhibits in real life position. This can be tricky, reassembling the bones and trying to give a realistic impression of total body shape and size beyond the skeleton itself. These images, from…

No bones about it! What are skeletons?

Skeletons aren’t just bony figures with a skull, ribs and bandy legs that jump out of closets and ask for sweets at Hallowe’en. In fact, many skeletons have no bones at all! Let’s take a far and wide look at skeletons… Skeletons fulfil at least four basic functions – they support the body’s structure against gravity or other…