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Hidden Beneath America for 400 Million Years—This Vast Natural Gas Reserve Could Power the Nation for Centuries
Beneath the rolling hills of the Appalachian Basin, an ancient rock formation holds what some are calling America’s greatest ...
New Scientist28m
Earth wouldn’t have ice caps without eroding rocks and quiet volcanoes
Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation ...