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Suggested Reading

KU Leuven. "Surgeons Describe New Ligament in the Human Knee." ScienceDaily, 5 Nov. 2013,

Langin, Katie. "Why Do Your Knuckles Crack? Engineers Say They Finally Figured It Out." Science, AAAS, 29 Mar. 2018,

Rodriguez, Tori. "People Who Are Double-Jointed Are More Likely to Be Anxious." Scientific American, 1 July 2015,