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Ruby-forming corundum found on Mars for first time in rocks that shouldn't contain it
Corundum on Mars: NASA's Perseverance rover detected the gemstone-forming mineral for the first time in any Martian context, ...
Conservators spent more than 200 hours treating the shoes. This meant removing surface dirt and stabilizing loose threads. They did this sequin by sequin, under a microscope. Donny Bajohr A single ...
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