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From: max_jedroom@oxy.edu (Jedidiah Jon Palosaari)
Newsgroups: sci.bio
Subject: Re: 25 hour cycle
Message-ID: <103265@tiger.oxy.edu>
Date: 15 Jul 90 01:44:11 GMT
Organization: Occidental College, Los Angeles, CA  90041
Lines: 4

Related to the idea of humans having a 25 hour cycle due to their having
to be alert at dusk because of active predators, does anyone know of any
studies done on animals in a lab to determine *they're* circadian rhythem
without natural cues?