Bioscience:The Living Clock
Every day we wake up almost at the same time， feel hungry almost at the same time，and go to bed almost at the same time. All this are ruled by a clock far more complex than any designed by man. Its name is biology of time. How much do people know about this clock? Can people live without its adjustment? Join us now as we explore the anatomy of time， and unlock the secrets of the living clock.
- Added：2006
- Country：America
- Duration：60
- Time of update：2011/8/18 14:44:29