The origins of snakes have baffled scientists for decades. How did these limbless, slithering predators evolve from their distant lizard ancestors? A remarkable discovery on the Isle of Skye, Scotland ...

Introduction: Seeing and knowing -- Ancient snakes, modern snakes: "what is a snake?" -- Ancient snake lizards: the fossil record -- The anatomy of ancient snake lizards -- Ancient snake lizard ...

The opening pages of the 1943 book The Little Prince recall how the narrator, as a child, once drew a picture not of a hat — as every adult insisted it was — but of a boa constrictor that had ...