The maps here show the world as it is now, with only one difference: All the ice on land has melted and drained into the sea, raising it 216 feet and creating new shorelines for our continents and ...

In the mid-20th century, when people looked at a map of the world, they saw the familiar continents surrounded by vast, ...

Teachers can use the film to introduce how the landmass of Earth is grouped into seven continents and the main areas of sea into five oceans ... could use a base map to explore the make up ...

and mollusks in the seas; pterosaurs and hairy-feathered birds filled the skies. But as the continents spread, the ocean currents churned with ever more vigor. After a temperature spike in the mid ...

Photo: Harry Hess argues that the continents had once been one, and have drifted apart. With the discovery of plate tectonics and the mapping of the earth into about 12 plates, plus the ...