Love is instinctive and essential, but what is it that brings certain people together? In this hour, TED speakers examine the mystery of connection and relationships.

1. Amy Webb: Can You Use Algorithms To Find Love?

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2. Helen Fisher: What Happens To Our Brain When We’re In Love?

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3. Esther Perel: Are We Asking Too Much Of Our Spouses?

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4. Jeff Kluger: What Makes Siblings Bond?

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5. Angela Patton: A Father-Daughter Dance — In Prison?

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