A newfound dinosaur had tiny arms before T. rex made them cool
Meraxes gigas’ short but burly forelimbs may have helped with mating
![An illustration of Meraxes gigas, a large dinosaur with a big head, fearsome teeth and tiny arms similar to a T. rex, roaring, with other dinosaurs in the background](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/07/070622_cg_dino-arms_feat.jpg?fit=1030%2C580&ssl=1)
Meraxes gigas (illustrated) was a massive predatory dinosaur with a big head and tiny, muscular arms. What those arms were for remains a mystery, but mating is a possibility, scientists say.
Carlos Papolio (CC BY-SA)