27 Mar
2010
27 Mar
'10
6:21 a.m.
Jim Muth wrote:
At 10:38 AM 3/25/10 +0000, brewhaha wrote:
And if you allow that birds navigate with the earth's magnetic field then eight [human senses}?
I guess that means we have nine senses, since humans can vaguely detect the polarization of light. Check:
<http://polarization.com/haidinger/haidinger.html>
Jim, the cross-eyed
I think some people who have an unerring sense of direction have a sense of the earth's magnetic field. Is detecting polarization of light though dependent on vision? Then it's not a separate sense. -- David gnome@hawaii.rr.com authenticity, honesty, community