"Let us know when you need a real dinosaur expert." The first, Dr. Jingmai O'Connor, of Chicago's Field Museum, noted that the original Barney is slightly more accurate than the new one, but the T.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. The purple dinosaur is coming back. Barney, ...