Dinosaurs may have been smart and even used tools
World's biggest T. rex discovered in Canada
Paleontologist's New Theory for Why T. rex Had Such Ridiculously Short Arms
A new Tyrannosaurus species is identified in New Mexico : NPR
T. Rex's Tiny Arms May Have Been Vicious Weapons
Is It True That a T-Rex Couldn't See You If You Didn't Move?
Why do people think that the T. rex would destroy the giga it looks more like a fair fight to me. : r/Dinosaurs
Everything we thought we knew about T. rex is wrong
Researchers: Earlier study breaking T. rex into 3 different species was wrong
How to Outrun a Dinosaur
Dinosaur roars: What scientists say they actually sounded like - Vox