Would the raptors in "Jurassic Park" have been as terrifying if they were covered in feathers? Would the T-Rex be as threatening if its speed tapped out at 10 MPH? No, but as a work of science fiction, it's forgivable. How much of the Steven Spielberg blockbuster was inspired by reality? Its characters were based on real people. Its shocking premise was influenced by real discoveries. Look beyond the Hollywood magic and into the scientific facts, with expert opinions from research scientists, fossil hunters and Paleontologist Jack Horner, the inspiration for Dr. Grant, the main character in "Jurassic Park."