The mineral composition of each of the Canyon's 15 dominant layers influences the stone's color, type and texture a variety that is all the more evident on the side-canyon detours.

WSJ: The Grand Canyon's Secret Network

By this time, human beings, as we know them, will have changed so dramatically that we could no longer assume we would be in a "It's Raining Men" type-world, in which women were just naturally dominant, and males the subordinate group.

BBC: NEWS | Programmes | If | The future's bright, if you're female...

Nevertheless, the deal is unnerving to dominant broadcasters that to date have ignored the online world, because it shows the type of Internet-enabled behemoth that could some day stalk their turf.

CNN: Old Media Get a New Deal