Can cloning bring back extinct dinosaurs?

Cloning anything is tricky. You need very special conditions, and most importantly, you need DNA. In the movie Jurassic Park, a scientist brings extinct dinosaurs back to life by cloning DNA found in ancient dinosaur blood. T. rex, one of the last large dinosaurs to roam the Earth, lived 65 million years ago. We've never found well-preserved DNA this old. And we probably never will. Dinosaur