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By Louise Molloy The crust under your feet – it’s on the move! But we’re not talking about the edge of your toast. This crust is the outer layer of our planet. The Earth’s crust has been on the move for millions, and even billions, of years. There’s an exciting new theory looking at why…

If you journeyed to the centre of the Earth, what would you see on the way down? After breaking through the crust there’s the mantle, a layer of mostly solid rock that constantly flows like a glacier. Below that, there’s the outer core made of liquid iron and nickel. Then you come to the inner…