It was just a large, strange rock used to prop open a shed door on a farm in Michigan. But, as one geologist puts it now, “It’s the most valuable specimen I have ever held in my life, monetarily and scientifically.” More from Science Alert: https://flip.it/V3LljI
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Flipboard Science Desk (sciencedesk@flipboard.social)'s status on Sunday, 20-Aug-2023 07:46:03 JST Flipboard Science Desk