RevealFacts on Instagram: "For a long time, movies showed T. rex as slim, scaly, and very reptile-like. That image is now changing. New research suggests that large dinosaurs like T. rex were heavier and more solid in shape, with thick muscles and a stronger body structure. The extra bulk seen in modern reconstructions is not fat. It represents muscle mass, support tissues, and insulation that helped the animal maintain its body temperature. These features would have made T. rex more stable and