Tiny metallic beads hiding in deep Arctic mud have reignited a long-running argument about why Earth shivered 12,800 years ago. The new evidence comes from four sediment cores lifted out of Baffin Bay, between Greenland and Canada, that capture a…
Tiny metallic beads hiding in deep Arctic mud have reignited a long-running argument about why Earth shivered 12,800 years ago. The new evidence comes from four sediment cores lifted out of Baffin Bay, between Greenland and Canada, that capture a…