Is Planet Earth Under New Management? : Krulwich Wonders… : NPR

A hundred million years from now, when we're all dead and gone, a team of geologists will be digging in a field somewhere ...and they will discover, buried in the rocks below, a thin layer of sediment — very thin, about the width of a cigarette paper, says British stratigrapher Jan Zalasiewicz. That skinny strip, when … Continue reading Is Planet Earth Under New Management? : Krulwich Wonders… : NPR