jr7877 at cesn12.cen.uiuc.edu (Jason V Robertson) replied
J>In article <1994Dec10.181117.23351 at blaze.trentu.ca> csack at ivory.trentu.ca wri
>>In article <3c6ski$5cf at due.unit.no>, aka at nvg.unit.no (Anne Karin Amundgaard)
>>
>>>I have also heard a story about girls living close together. After a
>>>while they will get their period simultaneously! If humans have got
>>>sex-pheromone receptors, I don't know, but this story make it seem very
>>>possible.
>>
J>Well, if you put two pendulums (out of sync) in the same room, they will
>eventually swing in sync also. I don't think they have pheromone receptors.
>--
This isn't so... the PERIOD of a pendulum <other factors being equal>
is dependent upon the mass of the body being suspended and the length of
the suspension. There is no rationale why two IDENTICAL pendulums
should sync... this would defy the pendulum formula.
Young women have a HIGHLY variable menstrual cycle, which is initiated
by the hypothalmus releasing several follicle-stimulating-hormone <FSH>
releasing-factors... These are provoked by a series of phases each
leading one into another, forming a CYCLE of stimulus, secretion,
reaction, and abreaction. The FSH is what causes some of the follicles
in the ovaries to swell and ripen. The synchronisity of young females
is believed to be a SYNERGISM of many factors, most probably the more
overwhelming of which is just the basic MOOD and EMOTIONS of the people
involved, in concert with the close proximity of the FSH's.
University of Minnesota was doing ongoing research on this... if someone
knows more, please post.
Rob.
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