Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Nov 7, 2013
http://www.sciencefriday.com Legend holds that the length of woolly bear caterpillar's color bands can be used to forecast how severe the winter weather will be. The myth dates back to colonial American folklore but was popularized by a 1948 study. SciFri finds out if there's any truth to the lore, and what the caterpillar's fuzzy bristles are really used for.