Bok
04-22-2013, 08:43 PM
Pulsating motion appears to flush water for better photosynthesis
More... (http://www.sciencenews.org/view/generic/id/349906/title/Why_corals_do_calisthenics)
More... (http://www.sciencenews.org/view/generic/id/349906/title/Why_corals_do_calisthenics)