Researchers discovered the fossils while exploring a remote area of Argentina in 2011 and pieced together seven partial titanosaur specimens, which suggest it could have been the largest dinosaur known.
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The 11th Worst Super Bowl in History How do you measure Super Bowl mediocrity? Slate correspondent Justin Peters stacks them up.
Watch Christiane Amanpour Investigate the Late Show With Stephen Colbert in a Charming, Funny Sketch
Why You Hated the Super Bowl It was hard to tell if it was a great defensive contest, or a terrible offensive one.