Nothing is more fascinating to us than, well, us. Where did we come from? What makes us human? An explosion of recent discoveries sheds light on these questions, and NOVA’s comprehensive, three-par.
Tiktaalik is a monospecific genus of extinct sarcopterygian from the late Devonian period, about 375 Mya , having many features akin to those of tetrapods. Tiktaalik has a possibility of being.