Paleontologists from the University of California, Berkeley, set out to put a number on how many T. rex lived during the Cretaceous period — about…
View More How many T. rex were there? Billions, it turns outPaleontologists from the University of California, Berkeley, set out to put a number on how many T. rex lived during the Cretaceous period — about…
View More How many T. rex were there? Billions, it turns out