Hawkins's computer was too literal. But his instinct — that Stonehenge handled information — survives every test the sixty years since have thrown at it. An investigation through stone provenance, isotopes, ancient DNA and landscape archaeology, ending with a named, testable hypothesis: the Gathering Engine.
1. Historical Baseline
Pre-1750 Wilderness Extent
North America contained 3.9 billion acres of wilderness when Europeans first arrived—98% of the continent's land area.¹ From Arctic tundra...
1. Historical Baseline
Pre-1750 Wilderness Extent
The brown bear watched from the forest edge as Peter the Great's surveyors marked trees for his new capital. In...
1. Historical Baseline
Pre-1750 Wilderness Extent
The Arabian oryx paused at the crest of a sand dune, its white coat reflecting the scorching sun that would...