About 20 km 3 of new ocean crust is formed each year along the spreading centres of the global mid-ocean-ridge system. These spreading centres are usually not simple, linear structures, but are ...

TAMPA, Fla. -- Now that Helene is no more, Floridians have had some time to really get a grasp of the destruction left behind in its wake. One way to see just how bad it was is to take a look at ...

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