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Untangling The Mystery Of Why Shoelaces Come Untied
Scientists at the University of California, Berkeley have figured out why shoelaces seem to come untied at the worst moments, like when you're running.
βhttps://www.npr.org/sections/health-shots/2017/04/17/523636317/untangling-the-mystery-of-why-shoelaces-come-untied
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