Coral reefs are home to 25 percent of the world's marine fish species, and cover 1 percent of the Earth's surface, making them the largest single living structure on Earth.

CNN: All About: Coral Reefs

This information should give scientists fresh insight into the internal structure of Earth's satellite.

BBC: Nasa reveals new information about moon probes crash sites

There were thousands of people from all over the world circumambulating this sacred structure at the center of the Earth, all there for a common purpose of praising God, yet each engaged in private reflection oblivious of any other.

CNN: The story of Mecca as it's never been told before

Specifically, what the scientists have found is that the iron adopts a crystalline structure, like a diamond, in the Earth's core.

BBC: Planet Earth

Pile: long heavy section of timber, concrete or metal, driven into the earth or seabed as support for another structure.

UNESCO: L O S S A R Y

From above, it looks like a manta ray rising from the earth and was built to preserve the viewshed from the west, where the structure stands in front of the Camino Real historic trail.

BBC: The futurist: The sustainable Spaceport America

The team claims observations of the fine structure of the burrows show they were overgrown by chlorite after being pushed beneath the Earth.

BBC: NEWS | Science/Nature | Early life thrived in lava flows

This allowed superheated gases to get inside the orbiter's structure, causing it to tear apart as it made its descent towards Earth.

BBC: NEWS | Americas | Discovery docks after 'backflip'

Near is providing important information on the structure and composition of asteroids, which would be needed for any future attempt to deflect an Earth-bound asteroid .

BBC: At a glance: Asteroid touchdown

All major religions have extended this structure to the afterlife, where, if you haven't righted the moral balances on earth, you must do so after death.

CNN: Our romance with debt -- we'll pay later