The teaser is mostly made up of footage from the first trailer, but there are a few news shots in here, including a terrifying look at the T-Rex dipping ... Crichton's Jurassic Park novel, but ...

Paleontologist Dave Hone rates the realism of every "Jurassic Park" movie. He talks about how the T. rex hunted down its prey, how the Gallimimus outran predators, and what Velociraptors actually ...