The Earth's core is important because it generates the planet's electromagnetic field - which seems to be weakening.
Specifically, what the scientists have found is that the iron adopts a crystalline structure, like a diamond, in the Earth's core.
So clear are the steaming pools that to stare down into them is like staring down into a cave that leads to the earth's core.
They constructed levees that, in all but the most extreme circumstances, overcame gravity's force and held back hundreds of millions of tons of water that would otherwise seek a route to the Earth's core via New Orleans.
The heat that keeps the core of the earth molten is primarily radioactive decay -it is what makes rock into liquid lava.
The research could help test simulations of how the outer, fluid core generates the Earth's magnetic field, which shields our planet and the teeming life on it from harmful cosmic rays.
BBC: NEWS | Science/Nature | Earth's core runs ahead of crust
The inner core, made of very pure, solid iron, rotates along with the outer core, dragging the Earth's magnetic field with them.
During this violent time, much of the debris would have resembled comets - dirty snowballs thought to be mostly slushy water surrounding a rocky core - slamming into Earth at velocities greater than 25 km per second (16 miles per second).
Dr Marcy suspects that his new discovery, which has about 45 times the mass of the Earth, is composed of a rocky core surrounded by a thick envelope of hydrogen and helium gas.
The rash of e-cycling legislation in recent years has reinforced natural market forces driven by high prices and limited supplies of core electronic components like platinum and rare earth to promote the nascent industry.
So, its of no surprise, when looking at long term ice core sample and ocean core deposits, they indicate as the Earth warms, so does the carbon footprint from the increase carbon produced high in the atmosphere.
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The planet has no internal magnetic field, which might be due to its core failing to circulate in the way the Earth's does.
This means that for roughly around 100 euros, we can expect to see a device with a 3MP camera, 512MB RAM, 4GB internal storage, a 1, 580mAh battery and a 1GHz single-core Snapdragon S17225A CPU. Don't expect an earth-shattering experience on this kind of phone, as it's meant to reside strictly on the low end.
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Unlike any other asteroid known today, Vesta has an iron core surrounded by layers of mantle rock and crust, similar to Earth and Mars, preliminary gravity and density measurements suggest.
Throughout modern history, union leaders have shown a weakness for thinking that one of their core responsibilities is to discover some new way of human living on this earth.
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Future Earth will have a new global governance body and secretariat, building on the strengths of the existing core global environmental change programme, which are co-sponsored by ICSU and other members of the Alliance.
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