Cape Gazette
http://capegazette.villagesoup.com/p/202678

Compass plants’ leaves point north and south

By Paul Barbano | Feb 01, 2012

It is hard to know where you are going if you don’t know where you are.  A simple north or south can do it. Astronomer Bruce Clymer of California notes that runaway slaves used the North Star (Polaris) to show the way north to freedom.  Ancient ...

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