This originally appeared in the July/August issue of Discover magazine as "Message in a Clam." Support our science journalism by becoming a subscriber.
Strange Glass Spheres Found in Ancient Florida Clams Point to Meteor Strike
A decade-old student project unearths clues of a meteor strike in Florida fossils.
Jun 10, 2020 5:00 PMJun 13, 2020 3:12 PM
Michael Meyer found some strange spheres during a class fossil-hunting field trip in 2006. Only recently did he learn what he’d found. (Credit: Michael B. Meyer)
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