some anthropologists had hypothesized that the lineage’s ancestors populated the Americas in a wave of migration that was distinct from Siberians crossing the Bering land bridge some 20,000 years ...

The ice extent in late winter can vary from 700 km south of the Bering Strait in a light ice year to 1,100 km in heavy ice years. Following the regime shift, there was a clear decrease in sea ice ...

via the Bering Strait” crossing from Russia to North America, Fariña said. However he cautioned about jumping to conclusions pointing out that more research (and funds) was needed before any ...