Researchers at the University of Kent say their groundbreaking studies unlock one of the greatest mysteries about the prehistoric monsters – why they came in such varied sizes and shapes. It is also said the team’s work will explain how dinosaurs were able to be the most dominant species on Earth for nearly 200 million years. Professor Darren Griffin, who led the research, said they were able to map out the creatures’ genetic code by studying the DNA of their closest living relatives, turtles and birds. It is believed that dinosaurs were so varied in their appearances because they had...