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Earth's Core Cooling Faster Than Thought

Earth’s core is cooling faster than scientists once believed—about 100 degrees Celsius every billion years—thanks to the decay of radioactive elements that have kept it molten for eons. This shift impacts everything from our planet’s magnetic shield to tectonic activity, reshaping models of Earth’s evolution and long-term habitability. New seismic imaging techniques are revealing unprecedented detail, helping us predict geological futures and understand how the very ground we walk on is slowly being reshaped over billions of years. Support the show:Get a discount at…

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