'Patagotitan mayorum' dino may have been as long as 7 elephants
(Newser) -
One hundred million years ago, a sauropod that stretched more than 120 feet and weighed some 70 tons existed—perhaps the largest creature to ever roam the Earth. Over the past few years, researchers have excavated fossils from six young-adult dinosaurs from a Patagonian quarry, and New Scientist puts stats...