Geology
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The Krafla Magma Testbed "has the potential to be for geoscientists what the Large Hadron Collider has been for particle physicists." So say researchers working on the project to drill into a magma chamber to explore massive geothermal power.
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A new simulation video from Herrenknecht AG shows off its Urban Vibro Trucks. The machines can deploy thumping devices from their mid-sections that send seismic waves beneath city landscapes to explore the terrain for geothermal development.
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The hot interior of planets isn’t somewhere you’d expect to find snow, but “iron snow” could fall on Earth’s core. A new study has modeled the dynamics in the lab and found that iron snow could make magnetic fields switch on and off in some planets.
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We only have to look up at the Moon to see the remains of a cataclysmic collision between two early planets, billions of years ago. Evidence may also be beneath our feet, as scientists suggest the remains of that ancient planet lurk near Earth’s core.
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The cascading effects of a giant asteroid impact is credited for killing off the dinosaurs. Now scientists have identified a new factor – fine silicate dust that hung in the atmosphere for well over a decade, blocking sunlight and cooling the planet.
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Scientists from Caltech and WHOI have found evidence that Earth’s core is leaking. High levels of a particular isotope of helium were found in lava flows in Canada, which the team proposes originated in the planet’s core.
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About 66 million years ago, the reign of reptiles came to a dramatic end. Scientists have now predicted that mammals will meet their maker in a similar cataclysm in about 250 million years’ time, as the continents collide to form a new supercontinent.
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Scientists have found a massive area the size of 1.5 football fields, now dubbed "The Coliseum," which was once a popular thoroughfare to water for multiple species of prehistoric beasts over many generations some 70 million years ago.
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A new genus and species of ancient sea worm with an impressive set of star-shaped chaetae has been identified, after its fossil first puzzled paleontologists. Thanks to its alien-worm-like appearance, scientists found a fittingly sci-fi name for it.
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If you’ve ever felt like you need more hours in the day, well how does 60 sound? A new study suggests we’d have 60-hour days by now if a stalemate between the Sun and Moon hadn’t interfered with Earth’s rotation for over a billion years.
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The Earth’s inner core is incredibly tricky to study, since it’s buried beneath thousands of miles of rock. New seismic studies suggest that it’s not just a solid ball of iron, as has been assumed, but might have pockets of liquid iron throughout.
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Using microwave instruments to peer deep beneath the surface of the far side of the Moon, researchers have detected a ‘hotspot’ they say is a large subsurface granite mass, suggesting the Moon is more "Earth-like" than we thought.
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