See the fossil shell: This extinct turtle was truly enormous

"The carapace of some Stupendemys individuals reached almost three meters, making it one of the largest, if not the largest turtle that ever existed."

U. Zurich | Feb. 13, 2020 | futurity
~3 mins   

Tags: featured science-and-technology fossils south-america turtles

Why S. America got more grass-eaters 6M years ago

About 7 to 6 million years ago, the the Hadley circulation intensified, changing the mammals of South America.

Mari Jensen-Arizona | May 2, 2019 | futurity
~6 mins   

Tags: science-and-technology climate-change grasses mammals south-america teeth

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