Red-blooded Tyrannosaurus rex - 20 years ago, paleontologist Mary Schweitzer made an astonishing discovery. Peering through a microscope at a slice of dinosaur bone, she spotted what looked for all the world like red blood cells. It seemed utterly impossible—organic remains were not supposed to survive the fossilization process—but test after test indicated that the spherical structures were indeed red blood cells from a 67-million-year-old T-rex. Read about her subsequent findings...
Spinosaurus - Bigger than T. Rex, and Every Bit as Nasty
People say if t-rex and spino went head to head in a fight on land that t-rex would win. Actually spino has a better chance. His long jaw and claws give him the advantage. Also hid bigger than t-rex!!!!T-rex just has a muscular head as a weapon nothing else. Therefore spino would probably win. ⬆️not my words but that is amazing I always loved spino more
This is the skull of the most complete Tyrannosaurus rex ever found. The Black Hills Institute of Geological Research in Hill City, South Dakota excavated it. This picture was taken on Nov. 10, 2003 at the Smithsonian National Museum of Natural History.<br />