> northern Canada and Northern Pole had a common shore What do you mean by this? Doesn't it every year? Here's this winter's maximum: http://www.nasa.gov/sit

> northern Canada and Northern Pole had a common shore What do you mean by this? Doesn't it every year? Here's this winter's maximum: http://www.nasa.gov/sites/default/files/thumbnails/image/seaice_max_2015_feb_25_overheadviewnoave_print.jpg http://www.nasa.gov/sites/default/files/thumbnails/image/sea...