- Scientists Finally Think They Know Why T. rex Had Tiny Arms SciTechDaily
- Why meat-eating dinosaurs like T. rex evolved tiny arms University of Cambridge
- Tyrannosaurus Rex’s tiny arms finally explained by scientists News.com.au
- Why were T. rex’s arms so tiny? Paleontologists finally find an answer. Popular Science
- T. rex traded its arms for one of the deadliest bites in history Earth.com