A million-dollar doorstop: A woman was holding the door with a rock that turned out to be an incredibly valuable material
After her death, a man inherited it and noticed that the “rock” could be valuable, so he decided to have it appraised and discovered its true worth.
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Strange sphere-studded rock on Mars found by NASA's Perseverance rover
Scientists say determining the geological origins of this area's features could provide valuable insights into how rocks in the region evolved over billions of years. "Placing these features in ...