It took more than 50 years for Wegener’s theory to be accepted ... There are similar fossils on both sides of the Atlantic – including the fossil remains of land animals that would have ...

This is understandable, given that knowledge about the Earth's tectonic plates was formed during a period when we also discovered fossil fuel reserves offshore from continental shelves.

On top of that, Wegener learned that related species, too small to swim the oceans, were found on different continents, as were similar fossils ... this theory has gained wide acceptance.

It's difficult to imagine a process more gradual than continental drift. But some scientists say ... Depending on location and interpretation, the fossil record seems to say different things.

Continents and oceans have scientific definitions that underpin international law. The idea of dividing the world into geographical zones is ancient. Sovereignty and influence over natural ...