Genetic analysis of ancient DNA from a 6-week-old infant found at an Interior Alaska archaeological site has revealed a previously unknown population of ancient people in North America. The findings, published in the Jan. 3 edition of the journal Nature, represent a major shift in scientists’ theories about how humans populated North America. The researchers have […]
It’s no secret that human activities affect fish, particularly those that must migrate to reproduce. Years of building dams and polluting rivers in some regions have left fish such as salmon struggling to return to their home streams and give birth to the next generation. A new University of Washington study points to yet another […]
It’s one of the most contentious debates in anthropology today: Where did America’s first peoples come from — and when? The general scientific consensus is that a single wave of people crossed a long-vanished land bridge from Siberia into Alaska around 13,000 years ago. But some Native Americans are irked by the theory, which they […]
With dogs’ breath fogging the 30-below zero air at their knees, 71 Iditarod mushers steamed their way down the frozen Chena River in Fairbanks on March 6. Upstream, just a few miles behind them, 500 ducks were surviving in a one-mile stretch of open water. You might think the mallards that did not migrate […]