the fall obsession of our inane discourses while standing Recent research in animal behavior
in lines in the winter is weather prophecy by the wooley on the physiological differences
bear; that unassuming, two inch long caterpillar. between bold and timid guppies
have shown there are clear brain differences between the two
here is the creepy-crawly even the most fearful could personality types. Bold guppies act
pick up. his delicte blue-blace skin and 20 some odd act as predator scouts, venturing
feet look to be covered in pipe-cleaner rings; bands of outside the school of the timid,
the richest cocoa with red tones. two bright, beady to identify danger and then report
black eyes observe a world from his height of 1/4 inch. back, sending the school in the
His highly evolved nervous system co-ordinates the opposite direction.
movement of multiple feet. very little space then for
thoughts of purpose, in fact room only for one. Both personality types are equally
smart, but once the risk-takers have
Seen marching at the same speed in the fall, wooly successfully navigated their voyage
bears make highway-crossing pilgimages. (without getting eaten), they are
superior learners. Timid guppies,
upon seeing a predator release
stress hormones known as cortico-
steroids, which are know to
supress learning.
Monday, February 23, 2009
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