Deep under the country's southeast, a slab of Earth's outer shell is splitting in two places at once, and geologists say the rifts may one day join. On the scale of a human life, the plates that make up Earth's crust and upper mantle barely seem to move at all. Yet they never stop, and over millions of years their slow collisions raise mountains, close oceans and redraw the … [Read more...] about Scientists Discover Two Enormous Tears in a Tectonic Plate Beneath Iran