Newfound biological clocks set by the moon

Marine organisms have rhythms dictated by tides, lunar cycle

BY THE MOONLIGHT  A newly discovered biological clock times the spawning of a marine worm, Platynereis dumerilii (a premature adult shown), to phases of the moon. J. Zantke et al, Cell Reports  

The sun exerts hegemony over biological rhythms of nearly every organism on Earth.