Research on Spriggina floundersi fossils found the wormlike creatures favored their right sides, a behavioral preference in modern animals that are right-handed.
If you happen to be right-handed, you may be able to trace the origins of that trait to a wormlike animal that lived about 550 million years ago and had a tendency to bend to the right.
Spriggina fl… [+6214 chars]
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