Leonardo notebooks reunited online

Two of the great landmarks of world culture and science, Leonardo da Vinci's Codex Arundel and Codex Leicester, have been brought together digitally for the first time since the dispersal of Leonardo's manuscripts in the sixteenth-century. The reunification of "Turning the Pages 2.0" digital versions of the notebooks was announced by Bill Gates, chairman of Microsoft, and Lynne Brindley, Chief Executive of the British Library at the consumer launch of Microsoft's new operating system, Windows Vista