If you want to see concrete evidence of evolution, look no further than your hand or your foot. Five fingers, five toes. There's nothing magical about the number, yet five digits at the end of their ...

"The loss of actinotrichia may have been conducive to ancestral, primitive tetrapods having limbs resembling cases of polydactyly," said Akimenko. The researchers are now looking for alternative ...

Fins and limbs and fins into limbs : the historical context, 1840-1940 / Peter J. Bowler -- Skeletal changes in the transition from fins to limbs / Michael I. Coates and Marcello Ruta -- A historical ...

It’s beginning to look like our success on land, and that of all tetrapods, from frogs to dogs to dinosaurs, was just a lucky side-effect of fish trying to stay fish. Eons is available to stream on ...