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.
Disappearing Beringia, from 21,000 years before present (BP) to today. The Bering Land Bridge, also known as central part of Beringia, is thought to have been up to 600 miles wide.