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Earth’s rarest metal was thought to be useless to ancient life, until researchers discovered something in 3-billion-year-old fossils

Three billion years ago, Earth’s oceans were basically empty when it came to metals. But somehow, microscopic life found a ...
Business Insider

Earth's inner core is more like a ball of butter than a solid metal sphere, a new study suggests

Scientists have long thought Earth's inner core is like a huge solid metal ball. But an experiment revealed it may be a lot softer — more like butter, a lead scientist said. It could help explain why ...
Science Daily

Earth's Inner Core: Earth's solid metal sphere is 'textured'

Scientists used seismic data discovered Earth's inner core displays a variety of textures that it acquired will it formed from within the fluid outer core. The data set was generated over the past 27 ...