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SMU research reveals glaciers erode mountains faster than previously thought, with implications for climate change models and ...
For the Cenozoic period, which began about 70 million ... the most recent of which continues today. During the present ice age, glaciers have advanced and retreated over 20 times, often blanketing ...
"Beginning 66 million years ago, we go from a completely sub-tropical environment across North America to grasslands to a frozen savanna, and finally, reaching the Ice Age," Shupinski said.