Many believe this dinosaur is the largest ever to walk the earth. It would have weighed more than 10 African elephants put together and had a thighbone taller than the man who helped dig it up. And, fair warning, it stands at such a remarkable height, it might take a little scrolling to get through its portrait. But for years, there's one thing the big guy hasn't had: a proper scientific name. read more http://www.npr.org/sections/thetwo-...inosaur-ever-found-and-its-finally-got-a-name