WELLNESS
04/11/2009 05:12 am ET Updated Nov 17, 2011

What Makes Our Internal Clock Tick?

Ironic, then, that a resource as precious as seconds, minutes and hours is so poorly understood and so routinely misestimated by modern humans -- by 15% to 25% in either direction, depending on the individual and the acuity of his or her time perception. But understanding our ability to perceive time -- and to use time to make sense of our world -- is one of the newest and most sweeping frontiers of neuroscience.

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