The iconic image from the original Jurassic Park movie may still be the formidable T-Rex, but the rebooted Jurassic Park features powerful dinosaurs which can give the T-Rex a challenge.

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 ...