Name: Discoveries about the body's biological clock
Uploaded: 2017-10-11T10:00:00Z
Description: Three U.S. scientists have won the Nobel Prize in Physiology or Medicine for their discoveries about the body's biological clock. Dr. Kumar has more.

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Discoveries about the body's biological clock

Three U.S. scientists have won the Nobel Prize in Physiology or Medicine for their discoveries about the body's biological clock. Dr. Kumar has more.

Posted October 11, 2017 5:00am CDT