3 years, the researchers compared the two age groups on four outcome measures: rate of complete ablation, grade of radioiodine uptake in the metastatic tumor on the posttherapy scan, cause-specific survival, and complications.
Possible route of the bridge across the Bering Strait. A Bering Strait crossing is a hypothetical bridge and/or tunnel spanning the relatively narrow and shallow Bering Strait between the Chukotka Peninsula in Russia and the Seward Peninsula in the U.S. state of Alaska.
Emergence of People in North America. During the late Pleistocene the Bering Land Bridge (Beringia) was an important connection between Asia and North America. Beringia was a large landmass spreading east from Siberia and extending deep into Alaska. It was the only avenue over which Pleistocene animals, such as the mammoth, could travel between the two continents.