The debate has raged in the world of paleo-climate research for years: When did the land bridge that once connected Asia and North America flood?
Some researchers say the presence of Pacific species in the Arctic makes the case for some 13,000 years ago. Others, however, point to sediment cores collected from the area as evidence that the flooding occurred later, about 11,500 years ago.
For Tamara Pico, the issue is not which date is right, but how both — taken together — paint a fuller picture of how sea levels changed in the strait over more than 1,500 years.
Based on that...
Read more about Ancient records of Bering Strait flooding offer fresh insights