The majority of the earth's surface is ocean, and it's a rare soul who wants to stay on it when landfall breaks are possible. But map nerds have studied the question of how far you can go in a ship without steering or ru...

Like many of my generation, I read about Thor Heye...  ...yerdahl and his raft the Kon-Tiki as a child. The voyage in 1947 was a sensation, spawning books and a mov...  ...raft to be unsteerable.There is no doubt that the voyage of the Kon Tiki was a great adventure: three mont...  ...i was a great adventure: th...