How Biological Clock Operates on 24-hour Cycle? (December 13, 2009)

December 13, 2009 - Scientists at the Hebrew University of Jerusalem, Israel, have recently found the way in which our biological system knows to operate on a 24-hour cycle. This discovery, in the form of a tiny molecule, holds the clue to the solution of a mystery that biologists considered unanswered for many years.

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