Dissected thorax of a porpoise bonding All are focusing on a

All are focusing on a man with an outstretched arm on the far right

actor Tom Baker - the 4th Doctor - pictured with a cyberman

View showing an audience watching a man balancing on one leg on a moving horse

29th December 1968

Dissected thorax of a porpoise bonding All are focusing on aAnatomical study of the thorax of the common or harbour porpoise Phocoena phocoena, showing the major arteries, blood vessels and ribs. Plate 3 from Histoire anatomique et physiologique d'un organe de nature vasculaire dcouvert dans les ctacs, by M. G. Breschet (Paris, 1836). Headed 'Plexus arterial des ctacs. Le tronc est vu par sa face postrieure et le canal rachidian est ouvert dans toute sa longueur' [Arterial plexus of cetaceans. The trunk is