This ‘NOVA’ presentation focuses on therapsids, lizard-like creatures with distinctly mammalian characteristics that lived on Earth more than 200 million years ago.

Visit ancient religious and cultural centers that have shaped the ways we view the world. Many of the Ancient Cities that helped shape the modern world endure to this day. In this episode we journey ...

Have you ever wondered why you feel a pull to go for that grueling trail run or long bike ride or demanding backcountry ski? We have an innate need for adventure, but why? According to ...