Geography textbooks describe the Earth's mantle beneath its plates as a well-mixed viscous rock that moves along with those plates like a conveyor belt. But that idea, first set out some 100 years ...
Researchers created a seismic map of Earth's interior beneath the southeastern Pacific Ocean and discovered an ancient slab of oceanic crust that appears to be stuck midway through the mantle.
With that in mind, we have made a collection of 30 elegant mantel decor ideas to help inspire you. Whether your fireplace is in a living room, dining room, bedroom, or other space, these photos of ...