We got Dr Kenneth Lacovara, an American palaeontologist and geologist at Rowan University, known for discovering the Dreadnoughtus dinosaur, to react to, breakdown, and explain various dinosaurs shown throughout the Jurassic Park and Jurassic World series of films. So, are Velociraptors actually dangerous? Could a T-Rex really roar? Those, and more, answered! #IGN #JurassicPark #JurassicWorld #JurassicWorldRebirth