E-Books →Strata Stories from Deep Time

A Scientific American Staff Favorite for 2025
A revelatory journey through four moments in Earth's deep past, and their lessons for our future.
The epic stories of our planet's 4.54-billion-year history are written in strata―ages-old remnants of ancient seafloors, desert dunes, and riverbeds striping landscapes around the world. In this brilliantly original debut work, science writer Laura Poppick decodes strata to lead us on a journey through four global transformations that made our lives on Earth possible: the first accumulations of oxygen in the atmosphere; the deep freezes of "Snowball Earth"; the rise of mud on land and accompanying proliferation of plants; and the dinosaurs' reign on a hothouse planet
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