Did The North Pole Wander?

What caused the ice ages? Why were the Siberian mammoths frozen alive, or how did great forests grow in Antarctica? The theory propounded by Maurice Ewing and William Donn, and described by Mr. Andrist in his article, is only one of the most rigorous and ingenious of many attempts to account for the often-contradictory evidence left behind by the glaciers. As recently as 1953 a geologist called this “one of the greatest riddles in geological history.” Read more »