Stone Age cold case baffles scientists

Neandertals, or possibly ancient people, took polar express

In Asia’s northern hinterlands not far from the Arctic Circle, Stone Age toolmakers left an evolutionary calling card that’s hard to read.

NORTHERN EXPOSURE Map shows the location of the more than 30,000-year-old Byzovaya site near the Arctic Circle in northern Russia in relation to Neandertals’ known settlement area.