You could have a secret twin (but not the way you think) - Kayla Mandel Sheets
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Einstein's twin paradox explained - Amber Stuver
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Are all of your memories real? - Daniel L. Schacter
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The surprising effects of pregnancy
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How AI Cracked the Protein Folding Code and Won a Nobel Prize
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Would you raise the baby that ate your siblings? - Francesca Barbero
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The Simple Math Problem That Revolutionized Physics
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Harvard negotiator explains how to argue | Dan Shapiro
5:34