Dimetrodon: Our Most Unlikely Ancestor. Season 1 Episode 9 | 5m 21s Video has Closed Captions | CC. Take a close look and you might see a little bit of yourself. With its lizard-like appearance ...

LOS ANGELES -- Tucked into an out-of-the-way corner in Sony's E3 booth was one of the best game demos I played at the show: Papo & Yo ("Dad and Me").

Papo & Yo is the story of a young boy, Quico, and his best friend, Monster. Monster is a huge beast with razor-sharp teeth, but that doesn't scare ...

Dimetrodon had a mouth full of novelty. Most conspicuous were several different tooth types in the sail-backed protomammal’s jaws – incisor-like teeth for gripping, stabbing canines, recurved ...