Subduction zones are the most important sites of material exchange between the crust and mantle on Earth. They are also the ...

Rare earths are mined and processed in just a few countries. China leads, producing over 60% of the global supply. Other key players include the United States, Australia, and Myanmar. Though found in ...

The Rarest Rare Metal When people think about rare & precious metals, they tend to think of the most common ones, like gold ...

Buried more than 3,000 miles beneath our feet, Earth’s solid inner core was once thought to be unchanging—locked in place at ...

The Earth is made up of different layers. The outermost is the crust, which is where we humans ... Then there is the outer core, made of liquid metal, and the inner core, a solid ball of metal.

The first layer is the crust, a thin outer shell that extends ... that the ultra-hot metal turns solid. The moving metals in Earth's core create the planet's magnetic field. Our planet sits ...

The crust of the earth is thin - a bit like the skin of an ... The movement of magnetic metals in the core causes the poles to move slightly each year. 780,000 years ago, the poles were completely ...

Imagine taking a significant amount of metals and other materials out of the Earth’s crust and scattering it into the atmosphere from space. This is effectively what we have been doing ever ...

The FDA is stepping up its oversight of infant formula, including increased testing for heavy metals and other contaminants.