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Life Cycles - daily routine
Humans, animals, plants, even bacteria run their lives according to the passing of the day
Humans, animals, plants, even bacteria run their lives according to the passing of day and night. And we all have biochemical clocks in our bodies to keep it running smoothly. In the second of the series on life cycles a look at just how tightly the rhythm of day and night is packed into our genetic make up.
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