Newly discovered ancient creature may have been the heaviest animal ever
By Ashley Strickland, CNN (CNN) — Fossils can appear in the oddest of places. As Earth’s shifting tectonic plates have rearranged continents over time and the planet has by turns cooled and warmed, mountain ranges appeared and glaciers carved paths. Those natural movements, combined with erosion, unearth sedimentary rock that tells stories of a world that existed long before
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