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What Time Is It S&P 35 duration 15 minutes 26 seconds What Time Is It S&P 35 What Time Is It S&P 35	What Time Is It S&P 35 knowmia light nucleus clock cells o'clock brain sleep clocks lenses ipod night melatonin study melanopsin earth bit body ball morning thing From Mark Pitzer 8 plays 0
Setting a Drip Rate duration 2 minutes 4 seconds Setting a Drip Rate Setting a Drip Rate	Setting a Drip Rate easier finish gravity divide point seconds studying clock watch number primed start chance miles effects clancy moves check minute From Nicole Auxier 1,356 plays 0
18.2 Early Embryonic Cell Division duration 57 seconds 18.2 Early Embryonic Cell Division 18.2 Early Embryonic Cell Division	18.2 Early Embryonic Cell Division embryo divide laevis video rounds dozen filmed takes xenopus petri division simultaneously fertilization maintains fertilized hours effects synchrony cycle entire essentially cells clock remarkable fertility minutes embryonic From David Wynne 21 plays 0