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IT WAS out within the desert of New Mexico that humanity first examined the atomic bomb, creating an explosion that left an indelible imprint on our planet. In the identical space, only a few dozen kilometres south, scientists are actually discovering imprints of fairly a distinct type: human footprints from the Stone Age. These tracks don’t have something just like the historic significance of the primary nuclear check – and that’s exactly why they’re so essential.
Archaeology usually focuses on the large image: technological shifts, epic migrations, the autumn of civilisations. By distinction, the stones and bones we dig up …