We live our lives by the calendar and the clock, but time is also an abstraction, even an illusion. In this hour, TED speakers explore how our sense of time changes depending on who and where we are.

1. Cesar Kuriyama: Can You Remember Your Life, One Second At A Time?

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2. Rives: Which Time Of Day Is Both Too Early And Too Late?

[ted src=”https://www.npr.org/player/embed/414979509/415490895″]

3. Dan Gilbert: When Do We Become The Final Version of Ourselves?

[ted src=”https://www.npr.org/player/embed/414997263/415495313″]

4. Laura Carstensen: Why Should We Look Forward To Getting Older?

[ted src=”https://www.npr.org/player/embed/414999589/415495729″]

5. Sean Carroll: Why Does Time Exist?

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