A Moment of Science

Posts tagged circadian clock

February 18, 2014

 

Fingers appear to pinch the sun

Human Sleep Cycle Slightly Longer Than A Day

Starved of environmental cues telling us when it's time to go to sleep, our sleep cycles are actually a little longer than twenty-four hours.

December 2, 2005

 

Light and Flowering

What causes some plants to flower in spring, while others bloom in summer, and still others in fall? Learn more on this Moment of Science.

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