Dinosaur Hall Roars To Life In Los Angeles
At the new Dinosaur Hall at the Natural History Museum of Los Angeles, visitors are greeted with the simulated sound of a dinosaur's roar. Some 300 dinosaur specimens are on display. It's also a hands-on show, with interactive games where kids can become paleontologists. The centerpiece of the revamped exhibit are three Tyrannosaurus rex skeletons, including the youngest known T. rex fossil in the world.
The three T. rexes are different sizes to demonstrate growth, says curator and paleontologist Luis Chiappe, who directs the museum's Dinosaur Institute. He says the baby is estimated to have died at 2 years old and is about 10 feet long. The juvenile, 14, is about 20 feet long, and the 17-year-old T. rex is about 30 feet long. The dinosaurs are arranged around the carcass of a duck-billed dinosaur, which Chiappe says is something T. rexes would eat.
Source: http://www.npr.org/2011/08/07/139059685/dinosaur-hall-roars-to-life-in-los-angeles?ft=1&f=1007