Ever wonder what causes "goosebumps"?
Goose bumps are produced when hairs stand up, like in this picture. The reflex is called piloerection, and it may have helped our hairier ancestors look larger when faced down by potential predators. Check out this article at the Scientific American's Web site. And for more thrills and chills, treats and activities, visit the Museum Oct 31 (Halloween) for BIG BOO-SEUM BASH! Call 501-396-7050 for more information.
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