Until recently, most researchers thought that the ice - free corridor (see map) was the most likely route south, once the glaciers began melting 14,000 — 15,000 years ago. (sciencemag.org)
But it is still only one of many likely routes for sensing water, including temperature and pressure, he adds. (sciencemag.org)
As someone who is self - employed, self - publishing seems a more likely route for me, if I ever get a book finished. (janefriedman.com)