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Air Date: Mon, Jan 4, 2016 8:00 PM
The coywolf, a mixture of western coyote and eastern wolf, is a remarkable new hybrid carnivore that is taking over territories once roamed by wolves and slipping unnoticed into our cities. Its appearance is very recent – within the last 90 years – in evolutionary terms, a blip in time.
Air Date: Wed, Sep 2, 2015 9:00 PM
Almost a century ago, paleontologists found the first tantalizing hints of a monster even bigger than Tyrannosaurus rex, perhaps the largest predator ever to walk the Earth: spectacular fossil bones from a dinosaur dubbed Spinosaurus.