Science A professor found a bug in Walmart. Years later, he realized it was a rare species 11:30am March 04, 2023 by Scott Simon Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2023 NPR. To see more, visit https://www.npr.org. 300x250 Ad 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate
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